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REDWOOD REGIONAL ONCOLOGY CENTER
NPI 1891705257
Internal Medicine - Hematology & Oncology in Santa Rosa, CA

Active since August 09, 2006
3555 ROUND BARN CIR STE 100, SANTA ROSA, CA 95403(707) 528-1050(707) 525-3874 Get Directions Write a Review

NPPES record last updated: April 28, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Redwood Regional Oncology Center NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

REDWOOD REGIONAL ONCOLOGY CENTER (NPI 1891705257) is a healthcare organization registered as a hematology & oncology in Santa Rosa, California and active in the NPI registry since August 2006. The organization lists Helen Collins, President, as its authorized official.

NPPES Registry Identity

NPI1891705257
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameREDWOOD REGIONAL MEDICAL GROUP, INC.
Location Address3555 ROUND BARN CIR STE 100Santa Rosa, CA 95403-1757
Mailing Address3555 Round Barn Cir Ste 100Santa Rosa, CA 95403-1757 · (707) 528-1050 · Fax (707) 525-3874
Phone(707) 528-1050
Fax(707) 525-3874
Organization SubpartYesParent: Redwood Regional Medical Group
Authorized OfficialHelen CollinsPresident · (707) 546-4062
Enumeration DateAugust 9, 2006
Last NPPES UpdateApril 28, 2008
✔ NPI 1891705257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X
Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X · License 05D0612494 (CA)
3555 ROUND BARN CIR STE 100, Santa Rosa, CA 95403
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Other Names 1

Doing Business AsRedwood Regional Oncology Center

Other Identifiers 4

Medicare ID-Type UnspecifiedZZZ00525Z
MedicaidGR0049202CA
Medicare ID-Type UnspecifiedZZZ00532Z
MedicaidGR004920CCA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEROY WAYNE KEISER M.D.
Internal Medicine (Hematology & Oncology)
3555 ROUND BARN CIR STE 100
SANTA ROSA, CA 95403
Sonoma County (707) 528-1050

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Redwood Regional Medical Group, Inc.'s NPI number?

The NPI number for Redwood Regional Medical Group, Inc. is 1891705257. It was assigned to this organization in the NPPES registry on August 9, 2006. The provider is doing business as Redwood Regional Oncology Center.

Where is Redwood Regional Medical Group, Inc. located?

Redwood Regional Medical Group, Inc. is located at 3555 Round Barn Cir Ste 100, Santa Rosa, CA 95403. The listed phone number is (707) 528-1050.

What is Redwood Regional Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Redwood Regional Medical Group, Inc. was last updated on April 28, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.