Megan Diminich McWilliams, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

033094 Issued in NY

Practice address

489 5TH Ave FL 3
New York, NY 10017-6145

Phone

(888) 663-6331

Fax

(415) 252-7176

NPI assigned

Sep 29, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Abigail Megan Diminich Former name

Medicare fee-for-service enrollment

Enrolled in SC

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: megan.bunch@545280468713476.direct.elationemr.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.

• University Medical Associates of the Medical University of South Carol

  • Multi-Specialty Clinic/Center
  • Charleston, SC
  • NPI 1043241110
  Medicare reassignment
• University Medical Associates of the Medical University of South Carol

  • Internal Medicine Physician
  • Charleston, SC
  • NPI 1750432704

  Physician Assistant

  NPD
• University Medical Associates of the Medical University of South Carol

  • Family Medicine Physician
  • Charleston, SC
  • NPI 1982678496

  Physician Assistant

  NPD

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

{
    "created_epoch": "1443484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1326418781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "888-663-6331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "489 5TH AVE FL 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100176145",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21 Burns Ln",
            "address_purpose": "LOCATION",
            "city": "Charleston",
            "state": "SC",
            "postal_code": "294011492",
            "country_code": "US",
            "telephone_number": "843-779-8570",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCWILLIAMS",
        "first_name": "MEGAN",
        "middle_name": "DIMINICH",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-09-29",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "033094",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SC",
            "license": "2428",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ABIGAIL",
            "last_name": "DIMINICH",
            "middle_name": "MEGAN",
            "credential": "PA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Lily McWilliam
• Dana McWilliams, MS, SLP- CCC, TSSLD
• Emily McWilliams, MSN, RN, CPNP-AC
• Gregory Mark McWilliams, MD
• Mary Edelen McWilliams, LMSW
• Ashley R McZeal, DDS
• MD Links Corporation
• Fnu MD Ziauddin
• Mda Dental Group
• Mda Management Inc

• Physician Assistant in New York, NY
• Providers in New York, NY by specialty
• Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 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.