DR. STEVEN D CHESSLER M.D.
NPI 1346254554
Internal Medicine in San Diego, CA

Q: What is Steven Chessler's NPI number?

The NPI number for Steven Chessler is 1346254554. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Q: What is Steven Chessler'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 Steven Chessler 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 July 27, 2006

200 W ARBOR DR, MAIL CODE 0726, SAN DIEGO, CA 92103(858) 657-8440 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. Steven D Chessler M.d. NPPES

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

DR. STEVEN D CHESSLER M.D. (NPI 1346254554) is an individual internal medicine provider in San Diego, California, licensed in California (G87288) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1346254554

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. STEVEN D CHESSLERCredential: M.D.

Location Address200 W ARBOR DR, MAIL CODE 0726San Diego, CA 92103-9001

Mailing Address9500 Gilman Dr, Mail Code 0726La Jolla, CA 92093-5004 · (858) 822-6567 · Fax (858) 534-1218

Phone(858) 657-8440

Sole ProprietorNo

Enumeration DateJuly 27, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1346254554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · G87288

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.

Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License G87288 (CA)

200 W ARBOR DR, San Diego, CA 92103

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Other Providers at the Same Location NPPES 20

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

DR. RAMIN MOTARJEMI M.D.

Internal Medicine (Geriatric Medicine)