Richard Gellis, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

161301 Issued in NY

Practice address

160 N Midland Ave
Nyack Hospital
Nyack, NY 10960-1912

Phone

(845) 348-2862

NPI assigned

Aug 9, 2005

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 NY

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

Anesthesiology

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore - Lij Anesthesiology, PCGroup PAC ID 1153602453, 990 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Nyack Hospital Hospital, Nyack, NY, CCN 330104

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles (1 of 5)

Locations

Networks

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

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.

• North Shore - Lij Anesthesiology, PC

  • Anesthesiology Physician
  • Chappaqua, NY
  • NPI 1417401266

  Anesthesiology, NY

  Medicare reassignment Care Compare group NPD

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

• Montefiore Nyack Hospital

  • General Acute Care Hospital
  • Nyack, NY
  • NPI 1104808062

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1123545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1841291101",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "43 KENSICO DR",
            "address_2": "2ND FLOOR",
            "city": "MOUNT KISCO",
            "state": "NY",
            "postal_code": "105491009",
            "telephone_number": "914-666-8866",
            "fax_number": "914-666-6777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "160 N MIDLAND AVE",
            "address_2": "NYACK HOSPITAL",
            "city": "NYACK",
            "state": "NY",
            "postal_code": "109601912",
            "telephone_number": "845-348-2862"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GELLIS",
        "first_name": "RICHARD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NY",
            "license": "161301",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00899481",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sibyl S Gales, PT
• Kristin Lynn Gambardella, CNM
• Frederick Garmone, P.A.
• Linda Gartenberg, LCSW
• Alexa M Gaydos, PSY.D.
• Genesis Web Solutions USA Inc
• Brian Scott Gens, L.M.S.W.
• Tara Gessner, MA, OTR
• Joseph Giaccio, DNP, CRNA, AGACNP
• Lucie Gibson, LMHC

• Anesthesiology Physician in Nyack, NY
• Providers in Nyack, NY by specialty
• Anesthesiology Physician in New York

• 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.