Darren Phelan, M.D.
NPI 1598878894 · Emergency Medicine Physician · Menlo Park, CA
Darren Phelan, M.D. is a Emergency Medicine Physician provider in Menlo Park, CA (NPI 1598878894).
Provider details
- NPI number
- 1598878894
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G071895 (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
- 2006-08-17
- Last updated
- 2013-05-01
Frequently asked questions
- What is Darren Phelan's NPI number?
- Darren Phelan's National Provider Identifier (NPI) is 1598878894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Phelan's specialty?
- Darren Phelan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Darren Phelan located?
- Darren Phelan's practice location on file with NPPES is 401 Burgess Dr, Menlo Park, CA 94025-3469.
- What is Darren Phelan's phone number?
- The practice phone number listed in the NPPES registry for Darren Phelan is (650) 326-0840.
- Is Darren Phelan's NPI active?
- Yes — Darren Phelan's NPI (1598878894) is active in the NPPES registry as of the last update on 2013-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.