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DR. ANDREW S. CHAO M.D.
NPI 1740570514
Internal Medicine - Gastroenterology in Sacramento, CA

Active since April 13, 2011PECOS EnrolledAccepts Medicare Assignment
4150 V ST STE 3500, SACRAMENTO, CA 95817(916) 734-3751 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Andrew S. Chao M.d. NPPES

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

DR. ANDREW S. CHAO M.D. (NPI 1740570514) is an individual gastroenterology provider in Sacramento, California, licensed in California (A129504) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2011).

NPPES Registry Identity

NPI1740570514
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ANDREW S. CHAOCredential: M.D.
Location Address4150 V ST STE 3500Sacramento, CA 95817-1460
Mailing Address4150 V St Ste 3500Sacramento, CA 95817-1460 · (916) 734-3751
Phone(916) 734-3751
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2011
Enumeration DateApril 13, 2011
Last NPPES UpdateDecember 16, 2021
✔ NPI 1740570514 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 · A129504
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.
4150 V ST STE 3500, Sacramento, CA 95817
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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 and accepts Medicare assignment

Dr. Andrew S. Chao M.d. 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 ID143524181
PECOS Enrollment IDI20170927001540
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 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

CODY GARRETT MCCOY DO
Internal Medicine (Nephrology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-2737
ALEXANDER THOMAS MILLER MD
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-3751
JOSEPH GEORGE MARSANO III
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-3751
DR. MARYAM AFKARIAN M.D., PH.D.
Internal Medicine (Nephrology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-3774
MARIA AGUILAR
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-2786
ANDREW JAMES GILMAN M.D.
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-8616
DR. ADITYA YELAMANCHI DO
Internal Medicine (Nephrology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-3682
GUINEA SINGH FAN M.D.
Internal Medicine (Gastroenterology)
4150 V ST STE 3500
SACRAMENTO, CA 95817
Sacramento County (916) 734-7224

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 Andrew Chao's NPI number?

The NPI number for Andrew Chao is 1740570514. It was assigned to this individual provider in the NPPES registry on April 13, 2011.

Where is Andrew Chao located?

Andrew Chao practices at 4150 V St Ste 3500, Sacramento, CA 95817. The listed phone number is (916) 734-3751.

What is Andrew Chao's specialty?

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

Is Andrew Chao enrolled in Medicare?

Yes. Andrew Chao 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 Andrew Chao was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.