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Donald Pierce, MD
NPI 1043394018 · Rheumatology Physician · Novato, CA
Donald Pierce, MD is a Rheumatology Physician provider in Novato, CA (NPI 1043394018).
Provider details
- NPI number
- 1043394018
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G31491 (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
97 San Marin Dr
Novato, CA 94945-1100
Phone: (415) 899-7400
Street-level locationGet directions
Mailing address
1800 Harrison St Fl 7
Oakland, CA 94612-3429
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Pierce's NPI number?
- Donald Pierce's National Provider Identifier (NPI) is 1043394018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Pierce's specialty?
- Donald Pierce is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Pierce located?
- Donald Pierce's practice location on file with NPPES is 97 San Marin Dr, Novato, CA 94945-1100.
- What is Donald Pierce's phone number?
- The practice phone number listed in the NPPES registry for Donald Pierce is (415) 899-7400.
- Is Donald Pierce's NPI active?
- Yes — Donald Pierce's NPI (1043394018) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.