Daniel L Mayer, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

34007987 Issued in OH

Practice address

20455 Lorain Rd
Suite 104
Fairview Park, OH 44126-3494

Phone

(440) 333-4383

Fax

(440) 333-4192

NPI assigned

May 25, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

HospitalistAlso: Internal Medicine

Education

Ohio University, College of Osteopathic Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Fairview HospitalGroup PAC ID 4688571730, 74 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Fairview Hospital Hospital, Cleveland, OH, CCN 360077
• Cleveland Clinic Hospital, Cleveland, OH, CCN 360180

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dmayerdo71731@direct.ccf.org

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.

• Fairview Hospital

  • Obstetrics & Gynecology Physician
  • Cleveland, OH
  • NPI 1407953706

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• The Cleveland Clinic Foundation

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1679525919
  Medicare reassignment NPD
• Dr Dan Mayer Inc

  • Internal Medicine Physician
  • Fairview Park, OH
  • NPI 1891707907
  NPD (past) Authorized official
• Euclid Hospital Cleveland Clinic Health System

  • General Acute Care Hospital
  • Euclid, OH
  • NPI 1457403016
  NPD
• Fairview Hospital

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1215989611
  NPD

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

• Fairview Hospital

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1215989611
  Care Compare affiliation
• The Cleveland Clinic Foundation

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1679525919
  Care Compare affiliation

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

{
    "created_epoch": "1148515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1386690170",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20455 LORAIN RD",
            "address_2": "SUITE 104",
            "city": "FAIRVIEW PARK",
            "state": "OH",
            "postal_code": "441263494",
            "telephone_number": "440-333-4383",
            "fax_number": "440-333-4192"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20455 LORAIN RD",
            "address_2": "SUITE 104",
            "city": "FAIRVIEW PARK",
            "state": "OH",
            "postal_code": "441263494",
            "telephone_number": "440-333-4383",
            "fax_number": "440-333-4192"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYER",
        "first_name": "DANIEL",
        "middle_name": "L",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "34007987",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2411956",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Angela Mastronardi, D.C., L.L.C.
• Christine Masulovich, EDS
• Matthew J. Messina, D.D.S., Inc.
• Rebecca Matthews
• Lindsey Maurer
• John McGuire, R.N.
• Krista McGuire, OTA
• Edward Thomas McLaughlin, DSP
• Lawrence McNamee, M.D.
• Catherine Meassick, MA, RD, ATC

• Internal Medicine Physician in Fairview Park, OH
• Providers in Fairview Park, OH by specialty
• Internal Medicine Physician in Ohio

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