Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TAMMY TAM NGUYEN D.O.
NPI 1699113829
Family Medicine in Beverly Hills, CA

Q: What is Tammy Nguyen's NPI number?

The NPI number for Tammy Nguyen is 1699113829. It was assigned to this individual provider in the NPPES registry on June 10, 2013.

Q: What is Tammy Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tammy Nguyen was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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 June 10, 2013PECOS Enrolled

8767 WILSHIRE BLVD FL 3, BEVERLY HILLS, CA 90211(310) 385-6031 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 30, 2026, Jun 22, 2023 (2 updates tracked since 2023).

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About Tammy Tam Nguyen D.o. NPPES

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

TAMMY TAM NGUYEN D.O. (NPI 1699113829) is an individual family medicine provider in Beverly Hills, California, licensed in California (20A14644) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Santa Ana.

NPPES Registry Identity

NPI1699113829

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameTAMMY TAM NGUYENCredential: D.O.

Location Address8767 WILSHIRE BLVD FL 3Beverly Hills, CA 90211-2714

Mailing Address4140 W 190th St Fl 2Torrance, CA 90504-5513 · (310) 385-6031

Phone(310) 385-6031

Sole ProprietorYes

Enumeration DateJune 10, 2013

Last NPPES UpdateJuly 30, 20262 updates tracked since enumeration

NPPES CertifiedJuly 30, 2026

✔ NPI 1699113829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in CA · 20A14644✔ Licensed in NV · SL0952

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.

8767 WILSHIRE BLVD FL 3, Beverly Hills, CA 90211

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Secondary Practice Location 1

Location 11421 E 17th StSanta Ana, CA 92705-8505 · Phone (714) 254-2747

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tammy Tam Nguyen D.o. 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 90211 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

GEETHA RAVI THAKER D.O.

Family Medicine