Mark D Schwartz, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

164253 Issued in NY

Practice address

423 E 23Rd St
VA Nyhhs, Medical Service (111)
New York, NY 10010-5011

Phone

(212) 686-7500

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

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

Interoperability endpoints

• Direct secure messaging: mschwartz350111@nyumc.direct-ci.com

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": "1013963834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "382 8TH ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112153605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "423 E 23RD ST",
            "address_2": "VA NYHHS, MEDICAL SERVICE (111)",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100105011",
            "telephone_number": "212-686-7500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHWARTZ",
        "first_name": "MARK",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "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": "NY",
            "license": "164253",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marilyn Naomi Schwartz, LCSW
• Maris Schwartz, M.A.
• Marisa Fay Schwartz, PMHNP-BC
• Marjorie Schwartz, PH.D.
• Mark Schwartz, MD
• Marta Schwartz
• Martin Joel Schwartz, D.D.S.
• Maya Schwartz, PT, DPT
• Micah Daniel Schwartz
• Michaela Schwartz, MSW

• Internal Medicine Physician in New York, NY
• Providers in New York, 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.