Redwood Regional Medical Group, Inc.
NPI 1841204518 · Hematology & Oncology Physician · Petaluma, CA
Redwood Regional Medical Group, Inc. is a Hematology & Oncology Physician organization in Petaluma, CA (NPI 1841204518).
Provider details
- NPI number
- 1841204518
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Redwood Regional Medical Group
- Organization subpart
- Yes
- Authorized official
- Helen Collins, President(707) 546-4602
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Radiation Oncology Physician2085R0001X
Allopathic & Osteopathic Physicians
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Redwood Regional Oncology Center
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2008-04-28
Frequently asked questions
- What is Redwood Regional Medical Group, Inc.'s NPI number?
- Redwood Regional Medical Group, Inc.'s National Provider Identifier (NPI) is 1841204518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Redwood Regional Medical Group, Inc.?
- Redwood Regional Medical Group, Inc. is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Redwood Regional Medical Group, Inc. located?
- Redwood Regional Medical Group, Inc.'s practice location on file with NPPES is 110 Lynch Creek Way Ste a, Petaluma, CA 94954-2337.
- What is Redwood Regional Medical Group, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Redwood Regional Medical Group, Inc. is (707) 763-0600.
- Who is the authorized official for Redwood Regional Medical Group, Inc.?
- The authorized official listed on Redwood Regional Medical Group, Inc.'s NPPES record is Helen Collins, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Redwood Regional Medical Group, Inc.'s NPI active?
- Yes — Redwood Regional Medical Group, Inc.'s NPI (1841204518) is active in the NPPES registry as of the last update on 2008-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.