Gwyneth Ellen Markowitz, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

9485 Mentor Ave
Mentor, OH 44060-4597

Phone

(440) 701-6612

NPI assigned

Aug 13, 2025

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

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, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Lake Hospital System, Inc.Group PAC ID 6002713922, 92 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lake Health Hospital, Concord, OH, CCN 360098
• Uh Cleveland Medical Center Hospital, Cleveland, OH, CCN 360137
• Uh Regional Hospitals Hospital, Chardon, OH, CCN 360075

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

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.

• Lake Hospital System Inc

  • Family Medicine Physician
  • Middlefield, OH
  • NPI 1952339996

  OH, Physician Assistant

  Medicare reassignment Care Compare group NPD
• Lake Hospital System Inc

  • General Acute Care Hospital
  • Willoughby, OH
  • NPI 1972689172
  Care Compare group
• Lake Hospital System, Inc

  • Urgent Care Clinic/Center
  • Chardon, OH
  • NPI 1689634966
  NPD
• Lake Hospital System, Inc.

  • Surgery Physician
  • Mentor, OH
  • NPI 1477844686
  NPD
• Lake Hospital System, Inc

  • Urgent Care Clinic/Center
  • Madison, OH
  • NPI 1134189376
  NPD (past)

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

• Lake Hospital System Inc

  • General Acute Care Hospital
  • Willoughby, OH
  • NPI 1972689172

  Hospital

  Care Compare affiliation
• Uh Regional Hospitals

  • General Acute Care Hospital
  • Chardon, OH
  • NPI 1669562864

  Hospital

  Care Compare affiliation
• University Hospitals Cleveland Medical Center

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1043397292

  Hospital

  Care Compare affiliation
• University Hospitals Cleveland Medical Center

  • Multi-Specialty Clinic/Center
  • Mentor, OH
  • NPI 1487770335

  Hospital

  Care Compare affiliation
• University Hospitals Cleveland Medical Center

  • Multi-Specialty Clinic/Center
  • Westlake, OH
  • NPI 1669598082

  Hospital

  Care Compare affiliation
• University Hospitals of Cleveland

  • Clinic/Center
  • Cleveland, OH
  • NPI 1760673412

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1755043200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1124904479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "135 MILL RUN",
            "city": "AURORA",
            "state": "OH",
            "postal_code": "442026707",
            "telephone_number": "440-665-7129"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9485 MENTOR AVE",
            "city": "MENTOR",
            "state": "OH",
            "postal_code": "440604597",
            "telephone_number": "440-701-6612"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKOWITZ",
        "first_name": "GWYNETH",
        "middle_name": "ELLEN",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-13",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kendra Marie Mariacher, PA-C
• Aliye Claire Marine, APRN
• Lucia A Marinu
• Rachel E. Markle, RPH
• Barbara A Markovic
• Hilary Markowski, PHARMD
• Jeanne Marie Markusic, P.T.
• Christy L Marshall, BS ED
• David Marshall Jr., OD, PHD
• Raymond James Marshall Jr., LPCC, CDCA

• All providers in Mentor, OH
• Physician Assistant in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2025; 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.