IndividualActive
William Fenerty
NPI 1184625915 · Family Medicine Physician · Diamond Bar, CA
William Fenerty is a Family Medicine Physician provider in Diamond Bar, CA (NPI 1184625915).
Provider details
- NPI number
- 1184625915
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 20A4089 (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
1514 Valley Vista Dr
Diamond Bar, CA 91765-3929
Phone: (714) 449-4842
Fax: (714) 449-4816
Street-level locationGet directions
Mailing address
279 Imperial Hwy
Fullerton, CA 92835-1041
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2009-11-23
Frequently asked questions
- What is William Fenerty's NPI number?
- William Fenerty's National Provider Identifier (NPI) is 1184625915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fenerty's specialty?
- William Fenerty is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Fenerty located?
- William Fenerty's practice location on file with NPPES is 1514 Valley Vista Dr, Diamond Bar, CA 91765-3929.
- What is William Fenerty's phone number?
- The practice phone number listed in the NPPES registry for William Fenerty is (714) 449-4842.
- Is William Fenerty's NPI active?
- Yes — William Fenerty's NPI (1184625915) is active in the NPPES registry as of the last update on 2009-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.