Isaac N. S. Johnson, MD

Primary specialty

Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X

License

336191 Issued in NY

Practice address

5 Columbus Cir
New York, NY 10019-1412

Phone

(212) 342-0804

NPI assigned

Mar 25, 2020

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

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: ijohnson615525@direct.ynhh.org

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

{
    "created_epoch": "1585094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1114554433",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 COLUMBUS CIR",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100191412",
            "telephone_number": "212-342-0804"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 COLUMBUS CIR",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100191412",
            "telephone_number": "212-342-0804"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "ISAAC",
        "middle_name": "N. S.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-25",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "NY",
            "license": "336191",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Fofie Johnson
• Haley Mae Johnson, PA
• Harold Johnson
• Harry Leroy Johnson
• Heather Johnson, PA-C
• Jacquelin Brandy Johnson, LMSW, CASAC-T
• James Matthew Johnson, LCSW-R
• James Wheeler Johnson, MD
• Janet Ann Johnson, LCSW-R
• Janet H Johnson, ANP

• Child & Adolescent Psychiatry Physician in New York, NY
• Providers in New York, NY by specialty
• Child & Adolescent Psychiatry Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 11, 2025; 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.