THOMAS REY YAMAMOTO MD
NPI 1083633457
Obstetrics & Gynecology in Arcadia, CA

Active since July 18, 2006PECOS EnrolledAccepts Medicare Assignment
450 E HUNTINGTON DR, ARCADIA, CA 91006(626) 462-1884 Get Directions Write a Review

NPPES record last updated: March 27, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 27, 2026, Jan 15, 2026, Dec 15, 2025 (3 updates tracked since 2025).

About Thomas Rey Yamamoto Md NPPES

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

THOMAS REY YAMAMOTO MD (NPI 1083633457) is an individual obstetrics & gynecology provider in Arcadia, California, licensed in California (G66872) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1988).

NPPES Registry Identity

NPI1083633457
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameTHOMAS REY YAMAMOTOCredential: MD
Location Address450 E HUNTINGTON DRArcadia, CA 91006-3748
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1988
Enumeration DateJuly 18, 2006
Last NPPES UpdateMarch 27, 20263 updates tracked since enumeration
NPPES CertifiedMarch 27, 2026
NPI 1083633457 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 · G66872
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.

450 E HUNTINGTON DR, Arcadia, CA 91006

Other Identifiers 1

Medicaid00G668720CA

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

Thomas Rey Yamamoto 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 ID6709811425
PECOS Enrollment IDI20081201000561
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 91006 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Physician Assistant
450 E HUNTINGTON DR
ARCADIA, CA 91006
Internal Medicine
450 E HUNTINGTON DR
ARCADIA, CA 91006
Dermatology
450 E HUNTINGTON DR
ARCADIA, CA 91006
Internal Medicine
450 E HUNTINGTON DR
ARCADIA, CA 91006
Dietitian, Registered
450 E HUNTINGTON DR
ARCADIA, CA 91006
Internal Medicine
450 E HUNTINGTON DR
ARCADIA, CA 91006
Registered Nurse (Diabetes Educator)
450 E HUNTINGTON DR
ARCADIA, CA 91006
Podiatrist (Foot & Ankle Surgery)
450 E HUNTINGTON DR
ARCADIA, CA 91006

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 Thomas Yamamoto's NPI number?

The NPI number for Thomas Yamamoto is 1083633457. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is Thomas Yamamoto located?

Thomas Yamamoto practices at 450 E Huntington Dr, Arcadia, CA 91006. The listed phone number is (626) 462-1884.

What is Thomas Yamamoto's specialty?

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

Is Thomas Yamamoto enrolled in Medicare?

Yes. Thomas Yamamoto 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 Thomas Yamamoto was last updated on March 27, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.