David Dorrance, M.D.
NPI 1871657601 · Internal Medicine Physician · Redwood City, CA
David Dorrance, M.D. is a Internal Medicine Physician provider in Redwood City, CA (NPI 1871657601).
Provider details
- NPI number
- 1871657601
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G19741 (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
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
- 2006-12-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Dorrance's NPI number?
- David Dorrance's National Provider Identifier (NPI) is 1871657601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Dorrance's specialty?
- David Dorrance is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Dorrance located?
- David Dorrance's practice location on file with NPPES is 2940 Whipple Ave, Redwood City, CA 94062-2857.
- What is David Dorrance's phone number?
- The practice phone number listed in the NPPES registry for David Dorrance is (650) 369-1766.
- Is David Dorrance's NPI active?
- Yes — David Dorrance's NPI (1871657601) 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.