JEFFREY M. FOX MD
NPI 1972687945
Internal Medicine - Gastroenterology in San Rafael, CA

Active since October 25, 2006PECOS EnrolledAccepts Medicare Assignment
99 MONTECILLO RD, SAN RAFAEL, CA 94903(415) 444-2000 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jeffrey M. Fox Md NPPES

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

JEFFREY M. FOX MD (NPI 1972687945) is an individual gastroenterology provider in San Rafael, California, licensed in California (A72285) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1997).

NPPES Registry Identity

NPI1972687945
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJEFFREY M. FOXCredential: MD
Location Address99 MONTECILLO RDSan Rafael, CA 94903-3308
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1997
Enumeration DateOctober 25, 2006
Last NPPES UpdateDecember 20, 2021
NPI 1972687945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A72285
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
99 MONTECILLO RD, San Rafael, CA 94903

Other Identifiers 1

Medicaid00A722850CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jeffrey M. Fox Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204724982
PECOS Enrollment IDI20040304001361
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Social Worker (Clinical)
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Dermatology
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Anesthesiology
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Radiology (Diagnostic Radiology)
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Hospitalist
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Speech-Language Pathologist
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Internal Medicine
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Nurse Anesthetist, Certified Registered
99 MONTECILLO RD
SAN RAFAEL, CA 94903

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 Jeffrey Fox's NPI number?

The NPI number for Jeffrey Fox is 1972687945. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Jeffrey Fox located?

Jeffrey Fox practices at 99 Montecillo Rd, San Rafael, CA 94903. The listed phone number is (415) 444-2000.

What is Jeffrey Fox's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Jeffrey Fox enrolled in Medicare?

Yes. Jeffrey Fox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jeffrey Fox was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.