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

MICHAEL LOUIS STEPHENS
NPI 1396447017
Internal Medicine in San Diego, CA

Q: What is Michael Stephens's NPI number?

The NPI number for Michael Stephens is 1396447017. It was assigned to this individual provider in the NPPES registry on March 17, 2023.

Q: What is Michael Stephens's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Stephens was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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 March 17, 2023

8975 BALBOA AVE, SAN DIEGO, CA 92123(858) 499-2710(858) 262-8668 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 24, 2026, Mar 17, 2023 (2 updates tracked since 2023).

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About Michael Louis Stephens NPPES

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

MICHAEL LOUIS STEPHENS (NPI 1396447017) is an individual internal medicine provider in San Diego, California, licensed in California (A207926) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1396447017

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMICHAEL LOUIS STEPHENS

Location Address8975 BALBOA AVESan Diego, CA 92123-1507

Mailing Address8975 Balboa Ave Fl 2San Diego, CA 92123-1507 · (858) 499-2710 · Fax (858) 262-8668

Phone(858) 499-2710

Fax(858) 262-8668

Sole ProprietorNo

Enumeration DateMarch 17, 2023

Last NPPES UpdateSeptember 24, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 24, 2026

✔ NPI 1396447017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A207926

Definition

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.

8975 BALBOA AVE, San Diego, CA 92123

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Other Providers at the Same Location NPPES 8

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

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Family Medicine