IndividualActive
Jay Harness, M.D.
NPI 1477549426 · Surgery Physician · Orange, CA
Jay Harness, M.D. is a Surgery Physician provider in Orange, CA (NPI 1477549426).
Provider details
- NPI number
- 1477549426
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G70155 (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
1000 W La Veta Ave
Orange, CA 92868-4304
Phone: (714) 744-8601
Fax: (714) 744-8622
Street-level locationGet directions
Mailing address
Po Box 5942
Orange, CA 92863-5942
Registry dates
- Enumerated
- 2005-09-26
- Last updated
- 2008-12-01
Frequently asked questions
- What is Jay Harness's NPI number?
- Jay Harness's National Provider Identifier (NPI) is 1477549426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Harness's specialty?
- Jay Harness is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Harness located?
- Jay Harness's practice location on file with NPPES is 1000 W La Veta Ave, Orange, CA 92868-4304.
- What is Jay Harness's phone number?
- The practice phone number listed in the NPPES registry for Jay Harness is (714) 744-8601.
- Is Jay Harness's NPI active?
- Yes — Jay Harness's NPI (1477549426) is active in the NPPES registry as of the last update on 2008-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.