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

MICHAEL Z CHEN MD
NPI 1689362253
Internal Medicine - Infectious Disease in Sacramento, CA

Q: What is Michael Chen's NPI number?

The NPI number for Michael Chen is 1689362253. It was assigned to this individual provider in the NPPES registry on May 1, 2023.

Q: What is Michael Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Michael Chen was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.

Active since May 01, 2023PECOS Enrolled

4150 V ST STE G500, SACRAMENTO, CA 95817(916) 734-2737 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 24, 2023, May 3, 2023 (2 updates tracked since 2023).

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About Michael Z Chen Md NPPES

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

MICHAEL Z CHEN MD (NPI 1689362253) is an individual infectious disease provider in Sacramento, California, licensed in California (A207225) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689362253

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameMICHAEL Z CHENCredential: MD

Location Address4150 V ST STE G500Sacramento, CA 95817-1460

Mailing Address4150 V St Ste G500Sacramento, CA 95817-1460 · (916) 734-2737

Phone(916) 734-2737

Sole ProprietorYes

Enumeration DateMay 1, 2023

Last NPPES UpdateJune 26, 20262 updates tracked since enumeration

NPPES CertifiedJune 26, 2026

✔ NPI 1689362253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in CA · A207225

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

4150 V ST STE G500, 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 (PECOS)

Michael Z Chen Md 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 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 4

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

NAOMI HAUSER M.D.

Internal Medicine (Infectious Disease)

4150 V ST STE G500
SACRAMENTO, CA 95817

Sacramento County (916) 914-6358

ANGEL N DESAI M.D., MPH

Internal Medicine

4150 V ST STE G500
SACRAMENTO, CA 95817

Sacramento County (916) 443-3299

DR. KAITLYN ANNE HARDIN MD

Internal Medicine (Infectious Disease)

4150 V ST STE G500
SACRAMENTO, CA 95817

Sacramento County (916) 734-2737

DR. ANGELA GOMEZ-SIMMONDS M.D.

Internal Medicine (Infectious Disease)

4150 V ST STE G500
SACRAMENTO, CA 95817

Sacramento County (530) 752-8294

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 Michael Chen's NPI number?

The NPI number for Michael Chen is 1689362253. It was assigned to this individual provider in the NPPES registry on May 1, 2023.

Where is Michael Chen located?

Michael Chen practices at 4150 V St Ste G500, Sacramento, CA 95817. The listed phone number is (916) 734-2737.

What is Michael Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Michael Chen enrolled in Medicare?

Yes. Michael Chen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Michael Chen was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.