Patrick Michael Casey, DO, MS

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

OS025899 Issued in PA

Practice address

555 N Duke St
Lancaster, PA 17602-2250

Phone

(717) 544-8144

Fax

(717) 544-8140

NPI assigned

Jun 23, 2023

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Family Practice

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lancaster General HospitalGroup PAC ID 1254240039, shared by 16 NPIs, 520 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Jefferson Einstein Montgomery Hospital Hospital, East Norriton, PA, CCN 390329

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Master of Science

State licenses

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

• Einstein Medical Center Montgomery

  • General Acute Care Hospital
  • East Norriton, PA
  • NPI 1104192590
  Care Compare affiliation

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

{
    "created_epoch": "1687478400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1114603248",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "555 N DUKE ST",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176022250",
            "telephone_number": "717-544-8144",
            "fax_number": "717-544-8140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "555 N DUKE ST",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176022250",
            "telephone_number": "717-544-8144",
            "fax_number": "717-544-8140"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5501 Old York Rd Ste 1",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191413098",
            "country_code": "US",
            "telephone_number": "484-622-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASEY",
        "first_name": "PATRICK",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "DO, MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-23",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS025899",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stevie Casalino, LSW
• Sabrina Michelle Case
• Brendan Casey, DO
• Jayne Ellen Casey, CRNA
• Molly Cates Casey, CRNP
• Tisa M Caslow, SLP
• Alyssa Casper, LCSW
• Andrea Castillo
• Kelley Castillon, FNP
• Charles A Castle, MD

• Internal Medicine Physician in Lancaster, PA
• Providers in Lancaster, PA by specialty
• Internal Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.

Verify at the official NPI Registry.