DR. INJA J HWANG MD
NPI 1821216581
Family Medicine in Martinez, CA

Q: What is Inja Hwang's NPI number?

The NPI number for Inja Hwang is 1821216581. It was assigned to this individual provider in the NPPES registry on April 20, 2007.

Q: What is Inja Hwang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Inja Hwang was last updated on September 11, 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.

Active since April 20, 2007

1000 WARD STREET, MARTINEZ, CA 94553(925) 335-4707 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Inja J Hwang Md NPPES

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

DR. INJA J HWANG MD (NPI 1821216581) is an individual family medicine provider in Martinez, California, licensed in California (C43359) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1821216581

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. INJA J HWANGCredential: MD

Location Address1000 WARD STREETMartinez, CA 94553

Mailing Address1871 Ventura DrPittsburgh, CA 94565 · (925) 427-2494

Phone(925) 335-4707

Sole ProprietorNo

Enumeration DateApril 20, 2007

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1821216581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · C43359

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedGeneral PracticeTaxonomy 208D00000X · License C43359 (CA)

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 Inja Hwang's NPI number?

The NPI number for Inja Hwang is 1821216581. It was assigned to this individual provider in the NPPES registry on April 20, 2007.

Where is Inja Hwang located?

Inja Hwang practices at 1000 Ward Street, Martinez, CA 94553. The listed phone number is (925) 335-4707.

What is Inja Hwang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Inja Hwang was last updated on September 11, 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.