Alexander I Geyer, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

254170 Issued in OH

Practice address

1275 York Ave
New York, NY 10065-6007

Phone

(212) 639-7588

NPI assigned

Jul 15, 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

Medicare fee-for-service enrollment

Enrolled in NY, OH2 enrollments

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 2

Specialty

Pulmonary Disease

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Cleveland ClinicGroup PAC ID 1850203555, 6,954 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lenox Hill Hospital Hospital, New York, NY, CCN 330119
• Cleveland Clinic Hospital, Cleveland, OH, CCN 360180
• Hillcrest Hospital Hospital, Mayfield Heights, OH, CCN 360230

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

83.02 of 100Reported as group

Quality

79.54

Improvement activities

40

Cost

64.24

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H5989

Interoperability endpoints

• Direct secure messaging: ageyer68368@northwell.direct-ci.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.

• The Cleveland Clinic Foundation

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1679525919
  Medicare reassignment Care Compare group
• Memorial Anesthesiology Group

  • Anesthesiology Physician
  • New York, NY
  • NPI 1467423020
  Medicare reassignment NPD
• Memorial Pulmonary Function Group

  • Pulmonary Disease Physician
  • New York, NY
  • NPI 1871564344
  Medicare reassignment NPD
• Mass General Brigham Medical Group Northern Massachusetts Inc

  • Emergency Medicine Physician
  • Salem, MA
  • NPI 1588606123

  Pulmonary Disease

  NPD (past)
• North Shore Pulmonary Associates, Inc

  • Pulmonary Disease Physician
  • Salem, MA
  • NPI 1780634618
  NPD (past)

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

• Lenox Hill Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1477616571
  Care Compare affiliation
• Cleveland Clinic Health System - East Region

  dba Hillcrest Hospital

  • General Acute Care Hospital
  • Mayfield HTS, OH
  • NPI 1902858152
  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": "1152921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1083631444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2049 E 100TH ST",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441062104",
            "telephone_number": "440-312-7140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100656007",
            "telephone_number": "212-639-7588"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEYER",
        "first_name": "ALEXANDER",
        "middle_name": "I",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-15",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "OH",
            "license": "254170",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Betty Lea Gewirtz, LCSW
• Steven Gewirtz, RPH
• Megan Elizabeth Gewitz, LMSW
• Saskia Elizabeth Gex, M.D.
• Adam Shaker Geyer, M.D.
• Julia T Geyer, M.D.
• Mark Blaine Geyer, MD
• Maya A Geyer
• Rory Geyer
• Lauren Geyman, ND

• Pulmonary Disease Physician in New York, NY
• Providers in New York, NY by specialty
• Pulmonary Disease Physician in New York

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