Individual provider Active NPI

Stephen Brett Flack, M. D.

  • Hospitalist Physician
  • Chambersburg, PA
National Provider Identifier
1396742631
Registry record updated Aug 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
MD069240L Issued in PA
Practice address
3106 Philadelphia Ave
Chambersburg, PA 17201-8938
Phone
(717) 264-3644
Fax
(717) 264-9077
NPI assigned
Jul 1, 2005
Last updated
Aug 27, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X MD069240L PA
Hospitalist Physician 208M00000X MD069240L PA Primary

Addresses

Primary practice location

3106 Philadelphia Ave
Chambersburg, PA 17201-8938

Mailing address

601 Memory LN
York, PA 17402-2231
Phone (717) 851-1405

Other practice location 1

2055 Scotland Ave
Chambersburg, PA 17201-1451
Phone (717) 217-6055

Other practice location 2

12 St Paul Dr Ste 203
Chambersburg, PA 17201-1035
Phone (717) 264-6511

Other practice location 3

12 St Paul Dr Ste 101
Chambersburg, PA 17201-1035
Phone (717) 217-6760

Other practice location 4

24 Antrim Commons Dr
Greencastle, PA 17225-1623
Phone (717) 597-5553

Other practice location 5

2 Keefer Dr
Mercersburg, PA 17236-1732
Phone (717) 328-2119

Other practice location 6

46 Walnut Bottom Rd Ste 200
Shippensburg, PA 17257-8219
Phone (717) 532-4148

Other practice location 7

601 E Main St
Waynesboro, PA 17268-2332
Phone (717) 765-5085

Other practice location 8

112 N 7th St
Chambersburg, PA 17201-1720
Phone (717) 217-4300

Other practice location 9

501 E Main St
Waynesboro, PA 17268-2353
Phone (717) 765-4000

Other practice location 10

130 E Main St
Fayetteville, PA 17222-9503
Phone (717) 352-7881

Other practice location 11

761 5th Ave Ste A
Chambersburg, PA 17201-4210
Phone (717) 261-2583

Other practice location 12

1401 Roosevelt Ave
York, PA 17404-2244
Phone (717) 356-6250

Other practice location 13

1425 Philadelphia Ave
Chambersburg, PA 17201-1386
Phone (717) 217-6055

Other practice location 14

2075 Scotland Ave
Chambersburg, PA 17201-1451
Phone (717) 217-6055

Other practice location 15

22 St Paul Dr
Chambersburg, PA 17201-1036
Phone (717) 264-6511

Other practice location 16

354 Alexander Spring Rd Ste 3
Carlisle, PA 17015-7451
Phone (717) 477-2764

Other practice location 17

220 Wilson St Ste 109
Carlisle, PA 17013-3697
Phone (717) 249-1929

Other practice location 18

8131 Spyglass Hill Dr
Fayetteville, PA 17222-5500
Phone (717) 749-3181

Other practice location 19

601 E Main St
Waynesboro, PA 17268-2332
Phone (717) 765-5087

Other practice location 20

601 E Main St
Waynesboro, PA 17268-2332
Phone (717) 765-5088

Other practice location 21

46 Walnut Bottom Rd Ste 100
Shippensburg, PA 17257-8219
Phone (717) 477-2764

Other practice location 22

100 Eisenhower Dr
Hanover, PA 17331-5241
Phone (717) 646-4201

Other practice location 23

455 S Washington St Ste 12
Gettysburg, PA 17325-2516
Phone (717) 339-2875

Other practice location 24

1000 Norland Ave
Chambersburg, PA 17201-4229
Phone (717) 267-6363

Other practice location 25

24 Antrim Commons Dr
Greencastle, PA 17225-1623
Phone (717) 593-0512

Other identifiers 2

IdentifierTypeStateIssuer
001789369MedicaidPA
867633OtherPAMEDICARE GROUP #

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050309000398 PA Practitioner - HospitalistPractitioner - Family Practice 7012961444 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Family Practice
Education
Temple University School of Medicine, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Wellspan Medical GroupGroup PAC ID 1951213115, 2,438 clinicians
Phoenix Rehabilitation and Health Services IncGroup PAC ID 3476464298, shared by 2 NPIs, 2,775 clinicians

Practice addresses (Care Compare)

112 N 7TH St
Chambersburg, PA 17201-1720
Phone (717) 267-7164

2000 Westinghouse Dr
Suite 200
Cranberry Township, PA 16066-5238

22 St Paul Dr
Chambersburg, PA 17201-1036

25 Monument Rd
York, PA 17403-5073

2618 E Market St
Autumn House
York, PA 17403
Phone (717) 845-7214

3106 Philadelphia Ave
Chambersburg, PA 17201-8938
Phone (717) 267-4839

354 Alexander Spring Rd
Carlisle, PA 17015-7451
Phone (717) 267-6427

601 E Main St
Waynesboro, PA 17268-2332

914 W Market St
Autumn House West
York, PA 17403
Phone (717) 845-7214

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10
Skin biopsy1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Wellspan Medical Group CurrentSince Jun 1, 2022 Accepting new patients
Wellspan Medical Group CurrentSince Jan 1, 2024 Accepting new patients
Good Samaritan Physician Services CurrentSince Mar 1, 2024 Accepting new patients
Good Samaritan Physician Services Current Accepting new patients
Wellspan Medical Group Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Wellspan Medical Group Past Accepting new patients
The Chambersburg Hospital Past Accepting new patients

Locations (25 of 30)

220 Wilson St
Ste 109
Carlisle, PA 17013
Phone (717) 249-1929

354 Alexander Spring Rd
Ste 3
Carlisle, PA 17015
Phone (717) 217-6820

1000 Norland Ave
Chambersburg, PA 17201
Phone (717) 267-6363

112 N 7th St
Chambersburg, PA 17201
Phone (717) 217-4300

12 St Paul Dr
Ste 101
Chambersburg, PA 17201
Phone (717) 217-6760

12 St Paul Dr
Ste 203
Chambersburg, PA 17201
Phone (717) 264-4839

176 S Coldbrook Ave
Chambersburg, PA 17201
Phone (717) 263-0550

2055 Scotland Ave
Chambersburg, PA 17201
Phone (717) 217-4963

2075 Scotland Ave
Chambersburg, PA 17201
Phone (717) 217-6055

22 St Paul Dr
Chambersburg, PA 17201
Phone (717) 217-6020

3106 Philadelphia Ave
Chambersburg, PA 17201
Phone (717) 264-3644

761 5th Ave
Ste A
Chambersburg, PA 17201
Phone (717) 261-1975

130 E Main St
Fayetteville, PA 17222
Phone (717) 352-7881

8131 Spyglass Hill Dr
Fayetteville, PA 17222
Phone (717) 749-3181

455 S Washington St
Ste 12
Gettysburg, PA 17325
Phone (717) 334-1800

24 Antrim Commons Dr
Greencastle, PA 17225
Phone (717) 593-0512

100 Eisenhower Dr
Hanover, PA 17331
Phone (717) 646-4201

844 Tuck St
Lebanon, PA 17042
Phone (717) 274-8875

2 Keefer Dr
Mercersburg, PA 17236
Phone (717) 328-2115

46 Walnut Bottom Rd
Shippensburg, PA 17257
Phone (717) 477-2764

46 Walnut Bottom Rd
#100
Shippensburg, PA 17257
Phone (717) 477-2764

46 Walnut Bottom Rd
#200
Shippensburg, PA 17257
Phone (717) 532-4148

501 E Main St
Waynesboro, PA 17268
Phone (717) 765-3400

601 E Main St
Waynesboro, PA 17268
Phone (717) 765-5085

601 E Main St
#3
Waynesboro, PA 17268
Phone (717) 765-5060

Interoperability endpoints

  • Direct secure messaging: sflack163491@wellspan.direct-ci.com

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 12

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1120176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1396742631",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231",
            "telephone_number": "717-851-1405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3106 PHILADELPHIA AVE",
            "city": "CHAMBERSBURG",
            "state": "PA",
            "postal_code": "172018938",
            "telephone_number": "717-264-3644",
            "fax_number": "717-264-9077"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2055 Scotland Ave",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011451",
            "country_code": "US",
            "telephone_number": "717-217-6055",
            "fax_number": "717-217-4329",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12 St Paul Dr Ste 203",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011035",
            "country_code": "US",
            "telephone_number": "717-264-6511",
            "fax_number": "717-264-1081",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12 St Paul Dr Ste 101",
            "address_purpose": "LOCATION",
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            "postal_code": "172011035",
            "country_code": "US",
            "telephone_number": "717-217-6760",
            "fax_number": "717-217-6912",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24 Antrim Commons Dr",
            "address_purpose": "LOCATION",
            "city": "Greencastle",
            "state": "PA",
            "postal_code": "172251623",
            "country_code": "US",
            "telephone_number": "717-597-5553",
            "fax_number": "717-597-5522",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2 Keefer Dr",
            "address_purpose": "LOCATION",
            "city": "Mercersburg",
            "state": "PA",
            "postal_code": "172361732",
            "country_code": "US",
            "telephone_number": "717-328-2119",
            "fax_number": "717-328-0071",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "46 Walnut Bottom Rd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Shippensburg",
            "state": "PA",
            "postal_code": "172578219",
            "country_code": "US",
            "telephone_number": "717-532-4148",
            "fax_number": "717-532-1356",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "601 E Main St",
            "address_purpose": "LOCATION",
            "city": "Waynesboro",
            "state": "PA",
            "postal_code": "172682332",
            "country_code": "US",
            "telephone_number": "717-765-5085",
            "fax_number": "717-765-5066",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "112 N 7th St",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011720",
            "country_code": "US",
            "telephone_number": "717-217-4300",
            "fax_number": "717-217-4217",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "501 E Main St",
            "address_purpose": "LOCATION",
            "city": "Waynesboro",
            "state": "PA",
            "postal_code": "172682353",
            "country_code": "US",
            "telephone_number": "717-765-4000",
            "fax_number": "717-765-3669",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "130 E Main St",
            "address_purpose": "LOCATION",
            "city": "Fayetteville",
            "state": "PA",
            "postal_code": "172229503",
            "country_code": "US",
            "telephone_number": "717-352-7881",
            "fax_number": "717-352-8850",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "761 5th Ave Ste A",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172014210",
            "country_code": "US",
            "telephone_number": "717-261-2583",
            "fax_number": "717-261-2584",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1401 Roosevelt Ave",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174042244",
            "country_code": "US",
            "telephone_number": "717-356-6250",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1425 Philadelphia Ave",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011386",
            "country_code": "US",
            "telephone_number": "717-217-6055",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2075 Scotland Ave",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011451",
            "country_code": "US",
            "telephone_number": "717-217-6055",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "22 St Paul Dr",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011036",
            "country_code": "US",
            "telephone_number": "717-264-6511",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "354 Alexander Spring Rd Ste 3",
            "address_purpose": "LOCATION",
            "city": "Carlisle",
            "state": "PA",
            "postal_code": "170157451",
            "country_code": "US",
            "telephone_number": "717-477-2764",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "220 Wilson St Ste 109",
            "address_purpose": "LOCATION",
            "city": "Carlisle",
            "state": "PA",
            "postal_code": "170133697",
            "country_code": "US",
            "telephone_number": "717-249-1929",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8131 Spyglass Hill Dr",
            "address_purpose": "LOCATION",
            "city": "Fayetteville",
            "state": "PA",
            "postal_code": "172225500",
            "country_code": "US",
            "telephone_number": "717-749-3181",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "601 E Main St",
            "address_purpose": "LOCATION",
            "city": "Waynesboro",
            "state": "PA",
            "postal_code": "172682332",
            "country_code": "US",
            "telephone_number": "717-765-5087",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "601 E Main St",
            "address_purpose": "LOCATION",
            "city": "Waynesboro",
            "state": "PA",
            "postal_code": "172682332",
            "country_code": "US",
            "telephone_number": "717-765-5088",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "46 Walnut Bottom Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Shippensburg",
            "state": "PA",
            "postal_code": "172578219",
            "country_code": "US",
            "telephone_number": "717-477-2764",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Eisenhower Dr",
            "address_purpose": "LOCATION",
            "city": "Hanover",
            "state": "PA",
            "postal_code": "173315241",
            "country_code": "US",
            "telephone_number": "717-646-4201",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "455 S Washington St Ste 12",
            "address_purpose": "LOCATION",
            "city": "Gettysburg",
            "state": "PA",
            "postal_code": "173252516",
            "country_code": "US",
            "telephone_number": "717-339-2875",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 Norland Ave",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172014229",
            "country_code": "US",
            "telephone_number": "717-267-6363",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24 Antrim Commons Dr",
            "address_purpose": "LOCATION",
            "city": "Greencastle",
            "state": "PA",
            "postal_code": "172251623",
            "country_code": "US",
            "telephone_number": "717-593-0512",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FLACK",
        "first_name": "STEPHEN",
        "middle_name": "BRETT",
        "credential": "M. D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-01",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PA",
            "license": "MD069240L",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "PA",
            "license": "MD069240L",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001789369",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE GROUP #",
            "identifier": "867633",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chambersburg, PA

Sources for this page

Verify at the official NPI Registry.