Diana L McMahon, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

MT236449 Issued in PA

Practice address

100 E Lehigh Ave
Philadelphia, PA 19125-1012

Phone

(215) 707-1200

NPI assigned

May 20, 2026

Sex

Female

Sole proprietor

Yes

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1779235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1821928045",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5030 COMMONWEALTH ST",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482082040",
            "telephone_number": "231-736-7480"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 E LEHIGH AVE",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191251012",
            "telephone_number": "215-707-1200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3401 N Broad St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191405103",
            "country_code": "US",
            "telephone_number": "800-836-7536",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCMAHON",
        "first_name": "DIANA",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-05-20",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "MT236449",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michelle Lynn McLoughlin, CRNP
• Reagan McLoughlin, M.S.
• Susan Eileen McLuckie, PA
• Patricia McMahon-Haxton, PA-C, IBCLC
• Cara McMahon, MS
• Heather Ann McMahon, M.D.
• Jeffrey McMahon, M.D.
• John McMahon, D.O.
• Karen McMahon, PTA
• Kathryn Margaret McMahon, SLP

• Psychiatry Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Psychiatry Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.