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DR. THOMAS ZARCHY M.D.
NPI 1477598027
Internal Medicine - Gastroenterology in Los Angeles, CA

Active since June 18, 2006PECOS Enrolled
1520 SAN PABLO ST, SUITE 1000, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: December 2, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Thomas Zarchy M.d. NPPES

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

DR. THOMAS ZARCHY M.D. (NPI 1477598027) is an individual gastroenterology provider in Los Angeles, California, licensed in California (G36361) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477598027
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. THOMAS ZARCHYCredential: M.D.
Location Address1520 SAN PABLO ST, SUITE 1000Los Angeles, CA 90033-5310
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100
Phone(323) 442-5100
Sole ProprietorNo
Enumeration DateJune 18, 2006
Last NPPES UpdateDecember 2, 2020
NPPES CertifiedDecember 2, 2020
✔ NPI 1477598027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · G36361
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, Los Angeles, CA 90033
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas Zarchy M.d. 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 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.

DR. CAROLINE HWANG M.D.
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
GISELLE MARIA PETZINGER M.D.
Psychiatry & Neurology (Neurology)
1520 SAN PABLO ST, SUITE 3000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5710
LIGAYA CASTILLO
Nurse Practitioner
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
ERICA ZOE SHOEMAKER MD
Psychiatry & Neurology (Psychiatry)
1520 SAN PABLO ST, STE 1652
LOS ANGELES, CA 90033
Los Angeles County (323) 442-6000
DR. MICHELE TORTORA PATO M.D.
Psychiatry & Neurology (Psychiatry)
1520 SAN PABLO ST, STE1652
LOS ANGELES, CA 90033
Los Angeles County (323) 442-6000
DR. EDY E SOFFER M.D.
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
DR. TRACY DEBRA LAWRENCE M.D.
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
CAROLYN L. KALOOSTIAN MD
Family Medicine (Geriatric Medicine)
1520 SAN PABLO ST, 1ST FLOOR
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5900

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 Zarchy's NPI number?

The NPI number for Thomas Zarchy is 1477598027. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Where is Thomas Zarchy located?

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

What is Thomas Zarchy's specialty?

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

Is Thomas Zarchy enrolled in Medicare?

Yes. Thomas Zarchy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Zarchy was last updated on December 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.