Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thanh-Mai Trinh, MD

Obstetrics & Gynecology Physician in Garden Grove, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1578589560

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Thanh-Mai Trinh

Credential MD

Sex Female

Practice address 10212 Westminster Ave, 114, Garden Grove, CA, 92843

Phone (714) 638-1864

Fax (714) 638-1964

Enumeration date Jul 14, 2006

Last updated in NPPES Feb 25, 2010

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License A60206 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
00A602060	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Thanh-Mai Trinh?

Thanh-Mai Trinh is registered in NPPES with the primary taxonomy of Obstetrics & Gynecology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

Browse all →

Gisele Nguyen Inc Community/Retail Pharmacy · Garden Grove, CA NPI 1326032517 Thanh-Mai Trinh MD, Inc Obstetrics & Gynecology Physician · Garden Grove, CA NPI 1205861549 Steve Hwang Specialist · Garden Grove, CA NPI 1952412470 Steve T.Hwang, M.D. Inc. Specialist · Garden Grove, CA NPI 1427254325 Steve T Hwang MD Inc Orthopaedic Surgery Physician · Garden Grove, CA NPI 1982851705 Hope Ambulatory Surgery Center PC Ambulatory Surgical Clinic/Center · Garden Grove, CA NPI 1043462559 David Lee DDS, Ms, Inc Orthodontics and Dentofacial Orthopedics Dentistry · Garden Grove, CA NPI 1518302587

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-25.