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Roy Herndon, M.D.
NPI 1417928383 · Internal Medicine Physician · Orange, CA
Roy Herndon, M.D. is a Internal Medicine Physician provider in Orange, CA (NPI 1417928383).
Provider details
- NPI number
- 1417928383
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A19659 (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
1010 W Laveta Ave
Suite 750
Orange, CA 92868-4312
Phone: (714) 835-6042
Street-level locationGet directions
Mailing address
1010 W Laveta Ave
Orange, CA 92868-4200
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2010-01-14
Frequently asked questions
- What is Roy Herndon's NPI number?
- Roy Herndon's National Provider Identifier (NPI) is 1417928383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Herndon's specialty?
- Roy Herndon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Herndon located?
- Roy Herndon's practice location on file with NPPES is 1010 W Laveta Ave, Orange, CA 92868-4312.
- What is Roy Herndon's phone number?
- The practice phone number listed in the NPPES registry for Roy Herndon is (714) 835-6042.
- Is Roy Herndon's NPI active?
- Yes — Roy Herndon's NPI (1417928383) is active in the NPPES registry as of the last update on 2010-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.