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Robert Geiger, MD
NPI 1205946068 · Orthopaedic Surgery Physician · Sonoma, CA
Robert Geiger, MD is a Orthopaedic Surgery Physician provider in Sonoma, CA (NPI 1205946068).
Provider details
- NPI number
- 1205946068
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A171170 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
181 Andrieux
Suite 106
Sonoma, CA 95476-6920
Phone: (707) 996-7077
Fax: (707) 996-3723
Street-level locationGet directions
Mailing address
181 Andrieux
Sonoma, CA 95476-6920
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2026-06-07
Frequently asked questions
- What is Robert Geiger's NPI number?
- Robert Geiger's National Provider Identifier (NPI) is 1205946068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Geiger's specialty?
- Robert Geiger is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Geiger located?
- Robert Geiger's practice location on file with NPPES is 181 Andrieux, Sonoma, CA 95476-6920.
- What is Robert Geiger's phone number?
- The practice phone number listed in the NPPES registry for Robert Geiger is (707) 996-7077.
- Is Robert Geiger's NPI active?
- Yes — Robert Geiger's NPI (1205946068) is active in the NPPES registry as of the last update on 2026-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.