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

THATCHER THI HUYNH DO
NPI 1730743022
Internal Medicine - Gastroenterology in Los Angeles, CA

Active since April 23, 2019PECOS Enrolled
1245 WILSHIRE BLVD STE 530, LOS ANGELES, CA 90017(213) 977-4156(562) 967-2367 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 2, 2026, Aug 18, 2022, Aug 1, 2022 and 1 more (4 updates tracked since 2019).

About Thatcher Thi Huynh Do NPPES

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

THATCHER THI HUYNH DO (NPI 1730743022) is an individual gastroenterology provider in Los Angeles, California, licensed in California (20A20094) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730743022
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameTHATCHER THI HUYNHCredential: DO
Location Address1245 WILSHIRE BLVD STE 530Los Angeles, CA 90017-5733
Mailing Address1245 Wilshire Blvd Ste 530Los Angeles, CA 90017-5733 · (213) 977-4156 · Fax (562) 967-2367
Phone(213) 977-4156
Fax(562) 967-2367
Sole ProprietorNo
Enumeration DateApril 23, 2019
Last NPPES UpdateOctober 2, 20264 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1730743022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · 20A20094
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 20A20094 (CA)
1245 WILSHIRE BLVD STE 530, Los Angeles, CA 90017
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thatcher Thi Huynh Do 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 90017 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
$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 5

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

MICHAEL PIMIENTA MD
Internal Medicine (Gastroenterology)
1245 WILSHIRE BLVD STE 530
LOS ANGELES, CA 90017
Los Angeles County (213) 977-4156
ANGELA YI
Family Medicine
1245 WILSHIRE BLVD STE 530
LOS ANGELES, CA 90017
Los Angeles County (213) 977-4156
RENEE LEE
Physician Assistant (Surgical)
1245 WILSHIRE BLVD STE 530
LOS ANGELES, CA 90017
Los Angeles County (213) 483-1055
CAROL OW
Family Medicine
1245 WILSHIRE BLVD STE 530
LOS ANGELES, CA 90017
Los Angeles County (213) 977-4156
WENDY JACQUELINE GARCIA
Nurse Practitioner (Acute Care)
1245 WILSHIRE BLVD STE 530
LOS ANGELES, CA 90017
Los Angeles County (213) 977-4156

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 Thatcher Huynh's NPI number?

The NPI number for Thatcher Huynh is 1730743022. It was assigned to this individual provider in the NPPES registry on April 23, 2019.

Where is Thatcher Huynh located?

Thatcher Huynh practices at 1245 Wilshire Blvd Ste 530, Los Angeles, CA 90017. The listed phone number is (213) 977-4156.

What is Thatcher Huynh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Thatcher Huynh enrolled in Medicare?

Yes. Thatcher Huynh is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thatcher Huynh was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.