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INTERNISTS MEDICAL GROUP
NPI 1033313838
Preventive Medicine - Undersea and Hyperbaric Medicine in Oakland, CA

Active since June 14, 2007
2930 MCCLURE ST, SUITE 1, OAKLAND, CA 94609(510) 444-2155(510) 444-0274 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Internists Medical Group NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

INTERNISTS MEDICAL GROUP (NPI 1033313838) is a healthcare organization registered as an undersea and hyperbaric medicine in Oakland, California and active in the NPI registry since June 2007. The organization lists Robert David Tufft, Owner, as its authorized official.

NPPES Registry Identity

NPI1033313838
Entity TypeOrganization
Primary Taxonomy2083P0011X
Legal Business NameINTERNISTS MEDICAL GROUP
Location Address2930 MCCLURE ST, SUITE 1Oakland, CA 94609-3505
Mailing Address2930 Mcclure St, Suite 1Oakland, CA 94609-3505 · (510) 444-2155 · Fax (510) 444-0274
Phone(510) 444-2155
Fax(510) 444-0274
Organization SubpartNo
Authorized OfficialRobert David TufftOwner · (510) 444-2155
Enumeration DateJune 14, 2007
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1033313838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPreventive Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0011X
License✔ Licensed in CA · G38113
Definition
A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns and bone infections. This specialist also serves as consultant to other physicians in all aspects of hyperbaric chamber operations and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.
Also ListedInternal MedicineTaxonomy 207R00000X · License G38113 (CA)
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License G38113 (CA)
2930 MCCLURE ST, Oakland, CA 94609
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Other Identifiers 1

MedicaidGR0027060CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TARA JUSTINE STOOP N.D.
Naturopath
2930 MCCLURE ST, SUITE #4
OAKLAND, CA 94609
Alameda County (510) 612-7150
ADAM J BENJAMIN D.C.
Chiropractor
2930 MCCLURE ST, 4
OAKLAND, CA 94609
Alameda County (510) 465-2411
DR. ROBERT DAVID TUFFT MD
Internal Medicine (Geriatric Medicine)
2930 MCCLURE ST, SUITE 1
OAKLAND, CA 94609
Alameda County (510) 444-2155
CHANTELLE LORENZ CMT
Day Training/Habilitation Specialist
2930 MCCLURE ST, #4
OAKLAND, CA 94609
Alameda County (510) 463-4330

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Internists Medical Group's NPI number?

The NPI number for Internists Medical Group is 1033313838. It was assigned to this organization in the NPPES registry on June 14, 2007.

Where is Internists Medical Group located?

Internists Medical Group is located at 2930 Mcclure St Suite 1, Oakland, CA 94609. The listed phone number is (510) 444-2155.

What is Internists Medical Group's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.

When was this NPI record last updated?

The NPPES record for Internists Medical Group was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.