IndividualActive
James Fenlon, M.D
NPI 1851347256 · Family Medicine Physician · Irvine, CA
James Fenlon, M.D is a Family Medicine Physician provider in Irvine, CA (NPI 1851347256).
Provider details
- NPI number
- 1851347256
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- C30110 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
4870 Barranca Pkwy
110
Irvine, CA 92604-4709
Phone: (949) 857-1248
Fax: (949) 559-1165
Street-level locationGet directions
Mailing address
Po Box 3699
Newport Beach, CA 92659-8699
Registry dates
- Enumerated
- 2006-05-26
- Last updated
- 2007-10-09
Frequently asked questions
- What is James Fenlon's NPI number?
- James Fenlon's National Provider Identifier (NPI) is 1851347256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Fenlon's specialty?
- James Fenlon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Fenlon located?
- James Fenlon's practice location on file with NPPES is 4870 Barranca Pkwy, Irvine, CA 92604-4709.
- What is James Fenlon's phone number?
- The practice phone number listed in the NPPES registry for James Fenlon is (949) 857-1248.
- Is James Fenlon's NPI active?
- Yes — James Fenlon's NPI (1851347256) is active in the NPPES registry as of the last update on 2007-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.