Individual provider Active NPI

Lisa Marie Witmer, MD

  • Internal Medicine Physician
  • Hershey, PA
National Provider Identifier
1891498069
Registry record updated Jun 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD493832 Issued in PA
Practice address
500 University Dr
MC Ca410
Hershey, PA 17033-2360
Phone
(717) 531-8521
NPI assigned
Mar 24, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 2, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 207R00000X PA
Hospitalist Physician 208M00000X MD493832 PA
Internal Medicine Physician 207R00000X MD493832 PA Primary

Addresses

Primary practice location

500 University Dr
MC Ca410
Hershey, PA 17033-2360

Mailing address

500 University Dr
MC Ca410
Hershey, PA 17033-2360
Phone (717) 531-5208

Other practice location 1

1150 Cocoa Ave
Hershey, PA 17033-1712
Phone (717) 314-6015

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address lwitmer4@pennstatehealth.psu.edu

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
I20260613000360 PA Practitioner - Internal Medicine 7618339540

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Pennsylvania State University College of Medicine, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1150 Cocoa Ave
Hershey, PA 17033-1712
Phone (717) 531-6015

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
207R00000XPAMDInternal Medicine Physician
MD493832PAMDInternal Medicine Physician

Interoperability endpoints

  • Direct secure messaging: lwitmer4@pennstatehealth.psu.edu

Organizations & group practices 1

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 1

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": "1679616000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1891498069",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 UNIVERSITY DR",
            "address_2": "MC CA410",
            "city": "HERSHEY",
            "state": "PA",
            "postal_code": "170332360",
            "telephone_number": "717-531-5208",
            "fax_number": "717-531-0119"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 UNIVERSITY DR",
            "address_2": "MC CA410",
            "city": "HERSHEY",
            "state": "PA",
            "postal_code": "170332360",
            "telephone_number": "717-531-8521"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1150 Cocoa Ave",
            "address_purpose": "LOCATION",
            "city": "Hershey",
            "state": "PA",
            "postal_code": "170331712",
            "country_code": "US",
            "telephone_number": "717-314-6015",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WITMER",
        "first_name": "LISA",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-24",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "PA",
            "license": "207R00000X",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "PA",
            "license": "MD493832",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD493832",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lwitmer4@pennstatehealth.psu.edu",
            "affiliation": "N",
            "address_1": "500 University Dr",
            "address_2": "MC CA410",
            "city": "Hershey",
            "state": "PA",
            "country_code": "US",
            "postal_code": "170332360",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Hershey, PA

Sources for this page

Verify at the official NPI Registry.