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

Dr. Ronald Fred Unzelman, MD

Individual provider Gynecology Physician · NPI 1437109022

Dr. Ronald Fred Unzelman, MD is a Gynecology Physician in Santa Rosa, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1144 Sonoma Ave Ste 104
Santa Rosa, CA 95405-4812
Phone: (707) 544-8864
Fax: (707) 544-2723
Show map & directions

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

Specialties & licences

Gynecology Physician (primary) Taxonomy 207VG0400X · Licence A22593 (CA)

Record details

NPI number1437109022
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESJuly 13, 2026

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