Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nathan L Lewis, MD

Individual provider Internal Medicine Physician · NPI 1912923004

Nathan L Lewis, MD is an Internal Medicine in Pasadena, California. Graduated from Loma Linda University School of Medicine in 1978, 48 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
48
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

675 S Arroyo Pkwy Ste 310
Pasadena, CA 91105
Phone: (626) 796-8181
Fax: (626) 796-1874
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 48 N El Molino Ave, Pasadena, CA 91101-1861 — (626) 796-8181

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G40994 (CA)

Record details

NPI number1912923004
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 14, 2006
Last updated in NPPESOctober 23, 2018
Mailing address675 S Arroyo Pkwy Ste 310, Pasadena, CA 91105-3264

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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