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

Redwood Regional Medical Group, Inc

Organization Hematology (Internal Medicine) Physician · NPI 1891705257

Redwood Regional Medical Group, Inc is a Hematology (Internal Medicine) Physician in Santa Rosa, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
5
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3555 Round Barn Cir Ste 100
Santa Rosa, CA 95403-1757
Phone: (707) 528-1050
Fax: (707) 525-3874
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X
Medical Oncology Physician Taxonomy 207RX0202X
Radiation Oncology Physician Taxonomy 2085R0001X
Clinical Medical Laboratory Taxonomy 291U00000X · Licence 05D0612494 (CA)

Record details

NPI number1891705257
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationRedwood Regional Medical Group
Authorized official Helen Collins — President · (707) 546-4062
Other names Redwood Regional Oncology Center
NPI enumeratedAugust 9, 2006
Last updated in NPPESApril 28, 2008
Mailing address3555 Round Barn Cir Ste 100, Santa Rosa, CA 95403-1757

Other providers in Santa Rosa