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Molly Phelps, MD
NPI 1083814800 · Emergency Medicine Physician · San Mateo, CA
Molly Phelps, MD is a Emergency Medicine Physician provider in San Mateo, CA (NPI 1083814800).
Provider details
- NPI number
- 1083814800
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A91767 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
222 W 39th Ave
San Mateo, CA 94403-4364
Phone: (650) 573-2222
Street-level locationGet directions
Mailing address
2839 Baker St
San Francisco, CA 94123-3207
Registry dates
- Enumerated
- 2007-07-19
- Last updated
- 2021-12-15
Frequently asked questions
- What is Molly Phelps's NPI number?
- Molly Phelps's National Provider Identifier (NPI) is 1083814800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Molly Phelps's specialty?
- Molly Phelps is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Molly Phelps located?
- Molly Phelps's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.
- What is Molly Phelps's phone number?
- The practice phone number listed in the NPPES registry for Molly Phelps is (650) 573-2222.
- Is Molly Phelps's NPI active?
- Yes — Molly Phelps's NPI (1083814800) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.