DR. TAMAR SEGEV D.O.
NPI 1972902971
Obstetrics & Gynecology in Petaluma, CA

Q: What is Tamar Segev's NPI number?

The NPI number for Tamar Segev is 1972902971. It was assigned to this individual provider in the NPPES registry on August 15, 2014.

Q: What is Tamar Segev'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 Tamar Segev was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 August 15, 2014PECOS Enrolled

335 S MCDOWELL BLVD, PETALUMA, CA 94954(415) 461-7800(415) 461-8619 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 16, 2026, Jul 5, 2022, Mar 5, 2018 (3 updates tracked since 2018).

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About Dr. Tamar Segev D.o. NPPES

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

DR. TAMAR SEGEV D.O. (NPI 1972902971) is an individual obstetrics & gynecology provider in Petaluma, California, licensed in California (20A14091) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1972902971

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. TAMAR SEGEVCredential: D.O.

Location Address335 S MCDOWELL BLVDPetaluma, CA 94954-3507

Mailing Address100a Drakes Landing Rd Ste 225Greenbrae, CA 94904-3119 · (415) 461-7800 · Fax (415) 461-8619

Phone(415) 461-7800

Fax(415) 461-8619

Sole ProprietorYes

Medical School CMSOtherGraduated 2013

Enumeration DateAugust 15, 2014

Last NPPES UpdateApril 16, 20263 updates tracked since enumeration

NPPES CertifiedApril 16, 2026

✔ NPI 1972902971 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 · 20A14091

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.

335 S MCDOWELL BLVD, Petaluma, CA 94954

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Secondary Practice Locations 2

Location 1100A Drakes Landing Rd Ste 225Greenbrae, CA 94904-3119 · Phone (415) 461-7800 · Fax (415) 461-8619

Location 2250 Bon Air RdGreenbrae, CA 94904-1702 · Phone (415) 925-7591 · Fax (415) 925-7604

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tamar Segev D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901169671

PECOS Enrollment IDI20180410002248

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.

Medicare Billing Reassignments

Medicare enrollment records show Tamar Segev reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc

22 mi

Internal Medicine

975 SERENO DRIVE
Vallejo, CA 94589

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1336222397 (707) 651-1000

Regents Univ Of California Ucsf

35 mi

Internal Medicine

505 PARNASSUS AVE
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
339 clinicians in this Medicare group

NPI 1124439807 (415) 476-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

85 services80 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

78 services78 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services11 patients

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 12

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

LEAH HEINRICH NP

Nurse Practitioner (Adult Health)