Active NPI
Stephen Brett Flack, M. D.
- Hospitalist Physician
- Chambersburg, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- MD069240L
- 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, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 001789369 | Medicaid | PA | |
| 867633 | Other | PA | MEDICARE 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Temple University School of Medicine, 1997
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Phoenix Rehabilitation and Health Services Inc
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
- Community Home Health Care, Inc.
- Wellspan Vna Home Care
- Bayada Home Health Care, Inc.
- Wellspan Chambersburg Hospital
- Wellspan Waynesboro Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal or shaving of skin growth | 1-10 |
| Skin biopsy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Wellspan Medical Group | Current | Accepting new patients | |
| Wellspan Medical Group | Current | Accepting new patients | |
| Good Samaritan Physician Services | Current | 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
- 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.
-
dba WellSpan Digestive Health
- Gastroenterology Physician
- York, PA
- NPI 1669770004
-
dba WellSpan Urology - Lebanon
- Urology Physician
- Lebanon, PA
- NPI 1558749846
-
dba WellSpan Heart Failure Program
- Cardiovascular Disease Physician
- York, PA
- NPI 1497521702
-
dba WellSpan Pediatric Surgical Specialist
- Pediatric Surgery Physician
- York, PA
- NPI 1104799428
-
dba WellSpan Chambersburg Hospital
- General Acute Care Hospital
- Chambersburg, PA
- NPI 1902804552
-
dba Frederick Health Hospital
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
Hospital & facility affiliations 12
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- York, PA
- NPI 1649523168
-
- Home Health Agency
- Harrisburg, PA
- NPI 1699713503
-
- Home Health Agency
- Lemoyne, PA
- NPI 1710282777
-
- Home Health Agency
- Chambersburg, PA
- NPI 1932253515
-
dba WellSpan Chambersburg Hospital
- Clinic/Center
- Chambersburg, PA
- NPI 1215060157
Hospital
-
dba WellSpan Chambersburg Hospital
- Clinic/Center
- Chambersburg, PA
- NPI 1669523320
Hospital
-
dba WellSpan Chambersburg Hospital
- General Acute Care Hospital
- Chambersburg, PA
- NPI 1902804552
-
dba WellSpan Chambersburg Hospital
- Clinic/Center
- Chambersburg, PA
- NPI 1952452617
Hospital
-
dba WellSpan Waynesboro Hospital
- Clinic/Center
- Fayetteville, PA
- NPI 1306989561
Hospital
-
dba WellSpan Waynesboro Hospital
- General Acute Care Hospital
- Waynesboro, PA
- NPI 1821091059
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",
"city": "Chambersburg",
"state": "PA",
"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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.