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

Greg Lewis, MD

Individual provider Internal Medicine Physician · NPI 1063447811

Greg Lewis, MD is an Internal Medicine in LA Jolla, California. Graduated from University of Miami, Lm Miller School of Medicine in 1991, 35 years ago. Practices with Ximed Hospitalists, Inc, a 35-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
35
Trained at
University of Miami, Lm Miller 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

9850 Genesee Ave Ste 900
LA Jolla, CA 92037-1224
Phone: (858) 626-7780
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G75591 (CA)

Record details

NPI number1063447811
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 11, 2006
Last updated in NPPESOctober 20, 2011
Mailing address9850 Genesee Ave, Suite 900, La Jolla, CA 92037-1224

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Ximed Hospitalists, Inc. — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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