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REDWOOD REGIONAL ONCOLOGY CENTER
NPI 1841204518
Internal Medicine - Hematology & Oncology in Petaluma, CA

Active since July 28, 2006
110 LYNCH CREEK WAY STE A, PETALUMA, CA 94954(707) 763-0600(707) 765-1757 Get Directions Write a Review

NPPES record last updated: April 28, 2008. Verified against the NPPES registry weekly; last sync: August 16, 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 1841204518) is a healthcare organization registered as a hematology & oncology in Petaluma, California and active in the NPI registry since July 2006. The organization lists Helen Collins, President, as its authorized official.

NPPES Registry Identity

NPI1841204518
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameREDWOOD REGIONAL MEDICAL GROUP, INC.
Location Address110 LYNCH CREEK WAY STE APetaluma, CA 94954-2337
Mailing Address110 Lynch Creek Way Ste APetaluma, CA 94954-2337 · (707) 763-0600 · Fax (707) 765-1757
Phone(707) 763-0600
Fax(707) 765-1757
Organization SubpartYesParent: Redwood Regional Medical Group
Authorized OfficialHelen CollinsPresident · (707) 546-4602
Enumeration DateJuly 28, 2006
Last NPPES UpdateApril 28, 2008
✔ NPI 1841204518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ 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 ListedRadiology · Radiation OncologyTaxonomy 2085R0001X
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X · License 05D0689028 (CA)
110 LYNCH CREEK WAY STE A, Petaluma, CA 94954
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Other Names 1

Doing Business AsRedwood Regional Oncology Center

Other Identifiers 4

Medicare ID-Type UnspecifiedZZZ00471Z
MedicaidGR0049200CA
MedicaidGR004920BCA
Medicare ID-Type UnspecifiedZZZ00469Z

Other Providers at the Same Location NPPES 2

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

MS. PATRICIA LYNN GRINNELL NP
Nurse Practitioner
110 LYNCH CREEK WAY STE A
PETALUMA, CA 94954
Sonoma County (707) 763-0600
THOMAS SPENCER STANTON II M.D.
Internal Medicine (Hematology & Oncology)
110 LYNCH CREEK WAY STE A
PETALUMA, CA 94954
Sonoma County (707) 763-0600

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 1841204518. It was assigned to this organization in the NPPES registry on July 28, 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 110 Lynch Creek Way Ste A, Petaluma, CA 94954. The listed phone number is (707) 763-0600.

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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.