Rives C. Chalmers, M.D. a Prof Corp
NPI 1689806812 · Orthopaedic Surgery Physician · Los Gatos, CA
Rives C. Chalmers, M.D. a Prof Corp is a Orthopaedic Surgery Physician organization in Los Gatos, CA (NPI 1689806812).
Provider details
- NPI number
- 1689806812
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Rives Chalmers, President(408) 379-3490
- License
- C36471 (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
16 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
- 2009-08-21
- Last updated
- 2009-08-21
Frequently asked questions
- What is Rives C. Chalmers, M.D. a Prof Corp's NPI number?
- Rives C. Chalmers, M.D. a Prof Corp's National Provider Identifier (NPI) is 1689806812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rives C. Chalmers, M.D. a Prof Corp?
- Rives C. Chalmers, M.D. a Prof Corp is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Rives C. Chalmers, M.D. a Prof Corp located?
- Rives C. Chalmers, M.D. a Prof Corp's practice location on file with NPPES is 800 Pollard Rd Ste A3, Los Gatos, CA 95032-1432.
- What is Rives C. Chalmers, M.D. a Prof Corp's phone number?
- The practice phone number listed in the NPPES registry for Rives C. Chalmers, M.D. a Prof Corp is (408) 379-3490.
- Who is the authorized official for Rives C. Chalmers, M.D. a Prof Corp?
- The authorized official listed on Rives C. Chalmers, M.D. a Prof Corp's NPPES record is Rives Chalmers, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rives C. Chalmers, M.D. a Prof Corp's NPI active?
- Yes — Rives C. Chalmers, M.D. a Prof Corp's NPI (1689806812) is active in the NPPES registry as of the last update on 2009-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.