Margaret A Mawhirter, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

50.006309RX Issued in OH

Practice address

140 Colemans Crossing Blvd Ste 100
Marysville, OH 43040-7195

Phone

(937) 578-2650

NPI assigned

Jan 22, 2020

Last updated

Jan 28, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OH

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

Specialty

Physician Assistant

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Union County Physician CorporationGroup PAC ID 1557419173, 105 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorial Hospital Hospital, Marysville, OH, CCN 360092

Merit-based Incentive Payment System (MIPS)

Final score

83.33 of 100Reported as group

Quality

68.93

Promoting interoperability

100

Improvement activities

40

Cost

75.49

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mmacdonald889241@direct.osumc.edu

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Union County Physician Corporation

  • Otolaryngology Physician
  • Marysville, OH
  • NPI 1992941108
  Medicare reassignment Care Compare group NPD

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

• Memorial Hospital of Union County

  dba Memorial Hospital

  • General Acute Care Hospital
  • Marysville, OH
  • NPI 1720159338
  Care Compare affiliation

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

{
    "created_epoch": "1579651200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1346870128",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "140 COLEMANS CROSSING BLVD STE 100",
            "city": "MARYSVILLE",
            "state": "OH",
            "postal_code": "430407195",
            "telephone_number": "937-578-2650"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "140 COLEMANS CROSSING BLVD STE 100",
            "city": "MARYSVILLE",
            "state": "OH",
            "postal_code": "430407195",
            "telephone_number": "937-578-2650"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAWHIRTER",
        "first_name": "MARGARET",
        "middle_name": "A",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-01-22",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "OH",
            "license": "50.006309RX",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "margaret.macdonald@marysvillememorial.com",
            "affiliation": "N",
            "endpointDescription": "business email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "140 Colemans Xing # 100",
            "city": "Marysville",
            "state": "OH",
            "country_code": "US",
            "postal_code": "430407080",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Marysville Orthopedics
• Marysville Pediatrics Inc
• Marysville Physical Therapy Inc
• Marysville Primary Care, Inc
• Robert Russell Massie, LICDC
• Pamela Nelle May, STNA, LPN
• Kyle D Mayginnes, O.D.
• Phillip Maynard
• Maze Hearing & Balance, LLC
• Kirsten McAfee, M.S., CAGS

• Physician Assistant in Marysville, OH
• Providers in Marysville, OH by specialty
• Physician Assistant in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 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.