Individual provider Active NPI

Mary Jean Stark, PAC

  • Physician Assistant
  • Annville, PA
National Provider Identifier
1851352884
Registry record updated Jul 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
MA003135L Issued in PA
Practice address
9 Nathan LN
Annville, PA 17003-6500
Phone
(717) 639-3350
Fax
(717) 303-3546
NPI assigned
Mar 29, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X MA003135L PA Primary

Addresses

Primary practice location

9 Nathan LN
Annville, PA 17003-6500

Mailing address

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

Other practice location 1

101 W Airport Rd
Lititz, PA 17543-9274
Phone (717) 466-2445

Other practice location 2

446 N Reading Rd
Ephrata, PA 17522-9802
Phone (717) 738-5275

Other identifiers 2

IdentifierTypeStateIssuer
03246701OtherPACAPITAL BLUE CROSS
P00791043OtherRAILROAD MEDICARE

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050613000482 PA Practitioner - Physician Assistant 2860436706 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Wellspan Medical GroupGroup PAC ID 1951213115, 2,438 clinicians

Practice addresses (Care Compare)

101 W Airport Rd
Urgent Care
Lititz, PA 17543-9274
Phone (717) 466-2445

25 Monument Rd
York, PA 17403-5073

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

446 N Reading Rd
Ephrata, PA 17522-9802

446 N Reading Rd FL
2 Wellspan Thoracic Surgery
Ephrata, PA 17522-9802
Phone (717) 356-5864

9 Nathan LN
Annville, PA 17003-6500
Phone (717) 639-3350

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

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Care Services of Pennsylvania, P.C. Physician Assistant CurrentSince Oct 1, 2017 Accepting new patients
Lebanon Internal Medicine Associates PC CurrentSince Jun 4, 2007 Accepting new patients
Wellspan Medical Group CurrentSince Feb 22, 2021 Accepting new patients
Lebanon Internal Medicine Associates, P.C. CurrentSince Jun 4, 2007 Accepting new patients
The Good Samaritan Hospital of Lebanon, Pennsylvania CurrentSince Aug 18, 2021 Accepting new patients
Wellspan Medical Group CurrentSince Feb 22, 2021 Accepting new patients
Lebanon Emergency Physicians PC Past Accepting new patients

Locations

9 Nathan Ln
Annville, PA 17003
Phone (717) 639-3350

446 N Reading Rd
Ephrata, PA 17522
Phone (717) 738-4334

252 S 4th St
Lebanon, PA 17042
Phone (717) 270-7500

755 Norman Dr
Lebanon, PA 17042
Phone (717) 273-6706

101 W Airport Rd
Lititz, PA 17543
Phone (717) 466-2445

956 Isabel Dr
North Cornwall, PA 17042
Phone (717) 272-4104

1600 S George St
York, PA 17403
Phone (717) 848-3615

601 Memory Ln
York, PA 17402
Phone (717) 851-6670

3421 Concord Rd
York, PA 17402
Phone (717) 851-2441

25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250

Interoperability endpoints

  • Direct secure messaging: mstark61819@wellspan.direct-ci.com

Organizations & group practices 9

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

Hospital & facility affiliations 3

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": "1143590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1851352884",
    "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",
            "fax_number": "717-851-6969"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9 NATHAN LN",
            "city": "ANNVILLE",
            "state": "PA",
            "postal_code": "170036500",
            "telephone_number": "717-639-3350",
            "fax_number": "717-303-3546"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 W Airport Rd",
            "address_purpose": "LOCATION",
            "city": "Lititz",
            "state": "PA",
            "postal_code": "175439274",
            "country_code": "US",
            "telephone_number": "717-466-2445",
            "fax_number": "717-466-2447",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "446 N Reading Rd",
            "address_purpose": "LOCATION",
            "city": "Ephrata",
            "state": "PA",
            "postal_code": "175229802",
            "country_code": "US",
            "telephone_number": "717-738-5275",
            "fax_number": "717-738-5278",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STARK",
        "first_name": "MARY",
        "middle_name": "JEAN",
        "credential": "PAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-29",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA003135L",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAPITAL BLUE CROSS",
            "identifier": "03246701",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00791043",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Annville, PA

Sources for this page

Verify at the official NPI Registry.