Thomas M Larkin, M.D.

Primary specialty

Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X

License

D0058327 Issued in MD

Practice address

17 Western Maryland Pkwy
100
Hagerstown, MD 21740-5471

Phone

(301) 797-9240

Fax

(301) 797-4234

NPI assigned

Sep 20, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Enrolled in DC

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

AnesthesiologyAlso: Interventional Pain Management, Pain Management, Physical Medicine and Rehabilitation

Education

Other, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Suburban/NRH Medical Rehabilitation IncGroup PAC ID 6507846771, 885 clinicians

Pain Management Institute, LLCGroup PAC ID 5890697056, 7 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: thomas.larkin@1084.securemail.prognocis.com

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.

• Pain Management Institute, LLC

  • Specialist
  • Bethesda, MD
  • NPI 1962612358

  DC

  Medicare reassignment Care Compare group Authorized official
• Pain Management Institute of DC, LLC

  • Specialist
  • Washington, DC
  • NPI 1548470982
  Medicare reassignment NPD
• Suburban/NRH Medical Rehabilitation Inc

  • Rehabilitation Clinic/Center
  • Bethesda, MD
  • NPI 1457354748
  Care Compare group
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1043318587",
    "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": "17 WESTERN MARYLAND PKWY",
            "address_2": "100",
            "city": "HAGERSTOWN",
            "state": "MD",
            "postal_code": "217405471",
            "telephone_number": "301-797-9240",
            "fax_number": "301-797-4234"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARKIN",
        "first_name": "THOMAS",
        "middle_name": "M",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-20",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2081P2900X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation, Pain Medicine",
            "state": "MD",
            "license": "D0058327",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "MD",
            "license": "D0058327",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D0058327",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "PA",
            "license": "MD434779",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "PA",
            "license": "MD434779",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "412809500",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P00419972",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P00670443",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD REGIONAL",
            "identifier": "W2660016",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Amy B Landis, CAC-A/D
• Michele Landry, DPT
• Susan Elaine Lange, CRNP
• Mark R Lannon, LCSW-C
• Kendall Lantz
• Christopher Larrimore, DO
• Cassondra Marie Larsen, CNM
• Mohammed Latif, MD
• Gwendolyn Lattie
• Judy Lau, MD

• Pain Medicine (Anesthesiology) Physician in Hagerstown, MD
• Providers in Hagerstown, MD by specialty
• Pain Medicine (Anesthesiology) Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.