Proteus Medical PC

Primary specialty

Adolescent Medicine (Internal Medicine) PhysicianTaxonomy code 207RA0000X

Legal business name

PROTEUS MEDICAL PC

Practice address

307 W 38TH St
New York, NY 10018-2913

Phone

(212) 444-4027

Fax

(212) 288-2805

NPI assigned

Nov 7, 2025

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

John SteeverNPI 1982614566

Title

Owner

Phone

(212) 920-4223

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• John Barringer Steever, M.D.

  • Adolescent Medicine (Internal Medicine) Physician
  • New York, NY
  • NPI 1982614566
  NPD Authorized official

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

{
    "created_epoch": "1762473600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762473600000",
    "number": "1376413039",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "307 W 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100182913",
            "telephone_number": "212-444-4027",
            "fax_number": "212-288-2805"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "307 W 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100182913",
            "telephone_number": "212-444-4027",
            "fax_number": "212-288-2805"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PROTEUS MEDICAL PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-07",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A",
        "authorized_official_last_name": "STEEVER",
        "authorized_official_first_name": "JOHN",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "212-920-4223"
    },
    "taxonomies": [
        {
            "code": "207RA0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Adolescent Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Thomas Protopapas, DPT
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• Themistocles Protopsaltis, M.D.
• Gary Michael Prottas, L.P.

• Adolescent Medicine (Internal Medicine) Physician in New York, NY
• Providers in New York, NY by specialty
• Adolescent Medicine (Internal Medicine) Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.