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

Dr. Ronald Alan Greeno, MD

Individual provider Internal Medicine Physician · NPI 1043390735

Dr. Ronald Alan Greeno, MD is an Internal Medicine Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
3
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

1245 Wilshire Blvd Ste 407
Los Angeles, CA 90017
Phone: (213) 977-4979
Fax: (213) 977-0544
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G60795 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G60795 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence G60795 (CA)

Record details

NPI number1043390735
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESSeptember 11, 2025

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