INJA J. HWANG MD – NPI #1821216581
Family Medicine

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.

INJA HWANG is a physician located in MARTINEZ, CA. NPPES has assigned the NPI number 1821216581 to INJA HWANG on April 20, 2007. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207Q00000X from the Health Care Provider Taxonomy code set, which is classified as Family Medicine.

The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for INJA HWANG below.

NPI Profile for
INJA J. HWANG

NPI Number
1821216581
Enumeration Date

(more than 19 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
INJA J. HWANG
Credentials
MD
Primary location
1000 WARD STREET
MARTINEZ, CA 94553
Phone: (925) 335-4707 Fax:
Mailing address
1871 VENTURA DR
PITTSBURGH, CA 94565
Phone: (925) 427-2494 Fax:
Sole Proprietor
No
Updated
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207Q00000X
- Family Medicine (Primary)
CA C43359
208D00000X
- General Practice
CA C43359

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.