1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Internal Medicine
  6. NPI Profile

THOMAS WANG MD
NPI 1427548338
Internal Medicine - Gastroenterology in Los Angeles, CA

Active since May 16, 2018PECOS EnrolledAccepts Medicare Assignment
1520 SAN PABLO ST STE 1000, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: August 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 9, 2025, Sep 17, 2024, May 8, 2024 and 1 more (4 updates tracked since 2018).

About Thomas Wang Md NPPES

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

THOMAS WANG MD (NPI 1427548338) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A202773) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2018).

NPPES Registry Identity

NPI1427548338
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameTHOMAS WANGCredential: MD
Location Address1520 SAN PABLO ST STE 1000Los Angeles, CA 90033-5312
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100
Phone(323) 442-5100
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2018
Enumeration DateMay 16, 2018
Last NPPES UpdateAugust 9, 20254 updates tracked since enumeration
NPPES CertifiedAugust 9, 2025
✔ NPI 1427548338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CA · A202773✔ Licensed in IL · 036169334
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.
1520 SAN PABLO ST STE 1000, Los Angeles, CA 90033
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

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 Wang 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 ID6406107184
PECOS Enrollment IDI20240725000040, I20250825003738
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 90033 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 20

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

SERENA GHANSHANI MD
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
SHYAM BHANSALI D.O.
Internal Medicine (Hospice and Palliative Medicine)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
MAY HNIN LWIN MD
Internal Medicine (Nephrology)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
DR. NIPAPORN PICHETSHOTE M.D.
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
DR. SAAHIR KHAN M.D., PH.D.
Internal Medicine (Infectious Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
YUEN HUNG NG AGACNP
Nurse Practitioner
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
MR. STEPHEN W MARER MD
Internal Medicine (Infectious Disease)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
MS. PRESCILLIA MIANDABO TSHIAMALA FNP-BC
Nurse Practitioner (Family)
1520 SAN PABLO ST STE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100

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 Wang's NPI number?

The NPI number for Thomas Wang is 1427548338. It was assigned to this individual provider in the NPPES registry on May 16, 2018.

Where is Thomas Wang located?

Thomas Wang practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Thomas Wang's specialty?

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

Is Thomas Wang enrolled in Medicare?

Yes. Thomas Wang 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.

What insurance does Thomas Wang accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Thomas Wang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thomas Wang was last updated on August 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.