Robert Schaefer, M.D.
NPI 1346233632 · Internal Medicine Physician · Santa Rosa, CA
Robert Schaefer, M.D. is a Internal Medicine Physician provider in Santa Rosa, CA (NPI 1346233632).
Provider details
- NPI number
- 1346233632
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G22776 (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
20 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
Registry dates
- Enumerated
- 2005-08-23
- Last updated
- 2007-08-30
Frequently asked questions
- What is Robert Schaefer's NPI number?
- Robert Schaefer's National Provider Identifier (NPI) is 1346233632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Schaefer's specialty?
- Robert Schaefer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Schaefer located?
- Robert Schaefer's practice location on file with NPPES is 500 Doyle Park Dr, Santa Rosa, CA 95405-4559.
- What is Robert Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Robert Schaefer is (707) 544-3411.
- Is Robert Schaefer's NPI active?
- Yes — Robert Schaefer's NPI (1346233632) is active in the NPPES registry as of the last update on 2007-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.