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Geoffrey Phelan, MD
NPI 1053421016 · Family Medicine Physician · Palmdale, CA
Geoffrey Phelan, MD is a Family Medicine Physician provider in Palmdale, CA (NPI 1053421016).
Provider details
- NPI number
- 1053421016
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C36207 (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
1220 E Avenue S
Suite F
Palmdale, CA 93550-6196
Phone: (661) 273-1445
Fax: (661) 273-4943
Street-level locationGet directions
Mailing address
9242 Leona Ave
Leona Valley, CA 93551-7300
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Geoffrey Phelan's NPI number?
- Geoffrey Phelan's National Provider Identifier (NPI) is 1053421016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Phelan's specialty?
- Geoffrey Phelan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Phelan located?
- Geoffrey Phelan's practice location on file with NPPES is 1220 E Avenue S, Palmdale, CA 93550-6196.
- What is Geoffrey Phelan's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Phelan is (661) 273-1445.
- Is Geoffrey Phelan's NPI active?
- Yes — Geoffrey Phelan's NPI (1053421016) 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.