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

Ion Sima, MD

Individual provider Internal Medicine Physician · NPI 1598743932

Ion Sima, MD is an Internal Medicine Physician in Anaheim, California. Practices as a sole proprietor. Licensed in California.

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

1781 W Romneya Dr Ste B
Anaheim, CA 92801-1818
Phone: (714) 776-8273
Fax: (714) 776-8974
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A54836 (CA)

Record details

NPI number1598743932
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 5, 2006
Last updated in NPPESJune 5, 2008
Mailing addressPo Box 1307, Bellflower, CA 90707-1307

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