Mark Howard Hittman, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

150322 Issued in NY

Practice address

1989 Crompond Rd
Cortlandt Manor, NY 10567-4156

Phone

(914) 737-5315

Fax

(914) 737-7643

NPI assigned

Jun 23, 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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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 Westchester Medical Practice, PC

  • Multi-Specialty Clinic/Center
  • Cortlandt Manor, NY
  • NPI 1982109120
  NPD (past)

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

{
    "created_epoch": "1119484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1255337267",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1989 CROMPOND RD",
            "city": "CORTLANDT MANOR",
            "state": "NY",
            "postal_code": "105674156",
            "telephone_number": "914-737-5315",
            "fax_number": "914-737-7643"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1989 CROMPOND RD",
            "city": "CORTLANDT MANOR",
            "state": "NY",
            "postal_code": "105674156",
            "telephone_number": "914-737-5315",
            "fax_number": "914-737-7643"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HITTMAN",
        "first_name": "MARK",
        "middle_name": "HOWARD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "150322",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rachel Heater, LMFT
• Tracy Bohn Hemmerdinger, M.D.
• Hendrick Hudson School District
• Selene Kirtella Henry-Lake, CNM
• Anabel Hernandez
• Julianne Yun Hwei Ho, PA-C
• Lloyd Ray Hoffman, M.D.
• Jennifer L Holdman, MS, CCC-SLP
• Min Ji Hong
• Georgia Hooper Peek, PHD

• Internal Medicine Physician in Cortlandt Manor, NY
• Providers in Cortlandt Manor, NY by specialty
• Internal Medicine 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.