REBECCA J. JOHNSTON MD – NPI #1497404305
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

REBECCA JOHNSTON is a physician located in SAN DIEGO, CA. NPPES has assigned the NPI number 1497404305 to REBECCA JOHNSTON on March 20, 2022. 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 207R00000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine.

The NPI profile was last updated on Mar 27, 2026. 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 REBECCA JOHNSTON below.

NPI Profile for
REBECCA J. JOHNSTON

NPI Number
1497404305
Enumeration Date

(more than 4 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
REBECCA J. JOHNSTON
Credentials
MD
Primary location
200 W ARBOR DR
MAIL CODE: 8425
SAN DIEGO, CA 92103
Phone: (619) 543-6268 Fax:
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Mar 27, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

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
207R00000X
- Internal Medicine (Primary)
CA A190773
208000000X
- Pediatrics
CA A190773

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.