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DR. JAMES CONRAD GARDNER M.D.
NPI 1255447330
General Practice in Greenbrae, CA

Active since August 22, 2006Opted out of Medicare · through Oct 1, 2027
599 SIR FRANCIS DRAKE BLVD, STE. # 203, GREENBRAE, CA 94904(415) 925-8888(415) 925-8880 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. James Conrad Gardner M.d. NPPES

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

DR. JAMES CONRAD GARDNER M.D. (NPI 1255447330) is an individual general practice provider in Greenbrae, California, licensed in California (G060562) and active in the NPI registry since August 2006. He has opted out of Medicare through October 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1255447330
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. JAMES CONRAD GARDNERCredential: M.D.
Location Address599 SIR FRANCIS DRAKE BLVD, STE. # 203Greenbrae, CA 94904-1712
Mailing Address599 Sir Francis Drake Blvd, Ste. # 203Greenbrae, CA 94904-1712 · (415) 925-8888 · Fax (415) 925-8880
Phone(415) 925-8888
Fax(415) 925-8880
Sole ProprietorYes
Enumeration DateAugust 22, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1255447330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · G060562
Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

599 SIR FRANCIS DRAKE BLVD, Greenbrae, CA 94904
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Other Identifiers 1

Medicare UPINF15758CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. James Conrad Gardner M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2015 through October 1, 2027.

Opt-Out Effective DateOctober 1, 2015
Opt-Out In Effect ThroughOctober 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 20

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

NANCY A TRAHMS MD ROBERT G TRAHMS MD A PROFESSIONAL CORPORATION
Specialist
599 SIR FRANCIS DRAKE BLVD, STE 304
GREENBRAE, CA 94904
Marin County (415) 461-9200
DR. MARION GARRETT PARKE DPM
Podiatrist (Foot & Ankle Surgery)
599 SIR FRANCIS DRAKE BLVD, SUITE 207
GREENBRAE, CA 94904
Marin County (415) 461-6555
MARK MICHNA, DDS, INC.
Dentist (General Practice)
599 SIR FRANCIS DRAKE BLVD, SUITE 306
GREENBRAE, CA 94904
Marin County (415) 461-5351
PINNACLE NEUROLOGY INC
Psychiatry & Neurology (Neurology)
599 SIR FRANCIS DRAKE BLVD, SUITE 206
GREENBRAE, CA 94904
Marin County (415) 578-3110
DR. ELIZABETH MARSHALL SMITH MD
Internal Medicine (Rheumatology)
599 SIR FRANCIS DRAKE BLVD, #201
GREENBRAE, CA 94904
Marin County (415) 464-9604
DR. RICHARD DOUGLAS HUNTER MD
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, #202
GRENNBRAE, CA 94904
Marin County (415) 461-1282
MARIN RHEUMATOLOGY, INC.
Internal Medicine (Rheumatology)
599 SIR FRANCIS DRAKE BLVD, SUITE 201
GREENBRAE, CA 94904
Marin County (415) 464-9604
DR. JACQUELINE SUE DELA MERCED MD
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, SUITE 301
GREENBRAE, CA 94904
Marin County (415) 461-1949

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 James Gardner's NPI number?

The NPI number for James Gardner is 1255447330. It was assigned to this individual provider in the NPPES registry on August 22, 2006.

Where is James Gardner located?

James Gardner practices at 599 Sir Francis Drake Blvd Ste. # 203, Greenbrae, CA 94904. The listed phone number is (415) 925-8888.

What is James Gardner's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is James Gardner enrolled in Medicare?

No. James Gardner has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for James Gardner was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.