Allen Gruber, M.D
NPI 1689747602 · Pain Medicine (Anesthesiology) Physician · Santa Rosa, CA
Allen Gruber, M.D is a Pain Medicine (Anesthesiology) Physician provider in Santa Rosa, CA (NPI 1689747602).
Provider details
- NPI number
- 1689747602
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- G55246 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 4704 Hoen AveSanta Rosa, CA 95405-7824Phone: (707) 546-7979Fax: (707) 546-7667
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2023-03-07
Frequently asked questions
- What is Allen Gruber's NPI number?
- Allen Gruber's National Provider Identifier (NPI) is 1689747602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allen Gruber's specialty?
- Allen Gruber is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Allen Gruber located?
- Allen Gruber's practice location on file with NPPES is 4720 Hoen Ave, Santa Rosa, CA 95405-7867.
- What is Allen Gruber's phone number?
- The practice phone number listed in the NPPES registry for Allen Gruber is (707) 595-3122.
- Is Allen Gruber's NPI active?
- Yes — Allen Gruber's NPI (1689747602) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.