Internists Medical Group

Primary specialty

Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianTaxonomy code 2083P0011X

License

G38113 Issued in CA

Legal business name

INTERNISTS MEDICAL GROUP

Practice address

2930 McClure St
Suite 1
Oakland, CA 94609-3505

Phone

(510) 444-2155

Fax

(510) 444-0274

NPI assigned

Jun 14, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Robert David Tufft, MDNPI 1619010121

Title

Owner

Phone

(510) 444-2155

Specialties & licenses 3

Addresses

Other identifiers 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Robert David Tufft, MD

  • Geriatric Medicine (Internal Medicine) Physician
  • Oakland, CA
  • NPI 1619010121
  Authorized official Same address or phone

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

{
    "created_epoch": "1181779200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1033313838",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2930 MCCLURE ST",
            "address_2": "SUITE 1",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946093505",
            "telephone_number": "510-444-2155",
            "fax_number": "510-444-0274"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2930 MCCLURE ST",
            "address_2": "SUITE 1",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946093505",
            "telephone_number": "510-444-2155",
            "fax_number": "510-444-0274"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "INTERNISTS MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-06-14",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "TUFFT",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_middle_name": "DAVID",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "510-444-2155",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G38113",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "G38113",
            "primary": false
        },
        {
            "code": "2083P0011X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Preventive Medicine, Undersea and Hyperbaric Medicine",
            "state": "CA",
            "license": "G38113",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0027060",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in Oakland, CA
• Providers in Oakland, CA by specialty
• Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in California

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