DR. JENNIFER WILLIAMS MD
NPI 1821050766
Family Medicine in Sebastopol, CA

Active since April 05, 2006PECOS Enrolled
652 PETALUMA AVE, SUITE F, SEBASTOPOL, CA 95472(707) 823-2334(707) 823-3007 Get Directions Write a Review

NPPES record last updated: January 6, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Jennifer Williams Md NPPES

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

DR. JENNIFER WILLIAMS MD (NPI 1821050766) is an individual family medicine provider in Sebastopol, California, licensed in California (G55656) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821050766
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JENNIFER WILLIAMSCredential: MD
Location Address652 PETALUMA AVE, SUITE FSebastopol, CA 95472-4266
Mailing Address652 Petaluma Ave, Suite FSebastopol, CA 95472-4266 · (707) 823-2334 · Fax (707) 823-3007
Fax(707) 823-3007
Sole ProprietorNo
Enumeration DateApril 5, 2006
Last NPPES UpdateJanuary 6, 2012
NPI 1821050766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · G55656
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
652 PETALUMA AVE, Sebastopol, CA 95472

Other Identifiers 2

Medicare PINCQ747ZCA
Medicaid1821050766CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Jennifer Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 95472 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
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
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 17

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

Family Medicine
652 PETALUMA AVE, SUITE F
SEBASTOPOL, CA 95472
Clinic/Center (Multi-Specialty)
652 PETALUMA AVE, SUITE H
SEBASTOPOL, CA 95472
Internal Medicine (Cardiovascular Disease)
652 PETALUMA AVE, STE E
SEBASTOPOL, CA 95472
Psychologist (Clinical)
652 PETALUMA AVE
SEBASTOPOL, CA 95472
Social Worker (Clinical)
652 PETALUMA AVE
SEBASTOPOL, CA 95472
Family Medicine
652 PETALUMA AVE, SUITE F
SEBASTOPOL, CA 95472
Family Medicine
652 PETALUMA AVE, SUITE F
SEBASTOPOL, CA 95472
Social Worker (Clinical)
652 PETALUMA AVE
SEBASTOPOL, CA 95472

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 Jennifer Williams's NPI number?

The NPI number for Jennifer Williams is 1821050766. It was assigned to this individual provider in the NPPES registry on April 5, 2006.

Where is Jennifer Williams located?

Jennifer Williams practices at 652 Petaluma Ave Suite F, Sebastopol, CA 95472. The listed phone number is (707) 823-2334.

What is Jennifer Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jennifer Williams enrolled in Medicare?

Yes. Jennifer Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jennifer Williams was last updated on January 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.