GAMIN MARY THOMASON MD
NPI 1720162704
Obstetrics & Gynecology in Petaluma, CA

Q: What is Gamin Thomason's NPI number?

The NPI number for Gamin Thomason is 1720162704. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Q: What is Gamin Thomason's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Gamin Thomason was last updated on December 22, 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.

Active since October 25, 2006PECOS Enrolled

3900 LAKEVILLE HWY, PETALUMA, CA 94954(707) 765-3900 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Gamin Mary Thomason Md NPPES

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

GAMIN MARY THOMASON MD (NPI 1720162704) is an individual obstetrics & gynecology provider in Petaluma, California, licensed in California (G69086) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720162704

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameGAMIN MARY THOMASONCredential: MD

Location Address3900 LAKEVILLE HWYPetaluma, CA 94954-5698

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262

Phone(707) 765-3900

Sole ProprietorNo

Enumeration DateOctober 25, 2006

Last NPPES UpdateDecember 22, 2021

✔ NPI 1720162704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G69086

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

3900 LAKEVILLE HWY, Petaluma, CA 94954

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Other Identifiers 1

Medicaid00G690860CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gamin Mary Thomason 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 94954 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

$142.00 typical visit price

range $63.04 – $187.01

Typical copayment $35.50 (range $15.76 – $46.75)

Most-billed visit code 99204

Established Patient

$77.94 typical visit price

range $21.02 – $153.40

Typical copayment $19.48 (range $5.25 – $38.35)

Most-billed visit code 99213

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.

DANIEL G WHITE MD

Family Medicine