Jay Westphal, M.D.
NPI 1457605115 · Preventive Medicine/Occupational Environmental Medicine Physician · Irvine, CA
Jay Westphal, M.D. is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Irvine, CA (NPI 1457605115).
Provider details
- NPI number
- 1457605115
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G49416 (CA)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense G49416 (CA)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2012-11-02
- Last updated
- 2012-11-02
Frequently asked questions
- What is Jay Westphal's NPI number?
- Jay Westphal's National Provider Identifier (NPI) is 1457605115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Westphal's specialty?
- Jay Westphal is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Westphal located?
- Jay Westphal's practice location on file with NPPES is 4 Park Plz, Irvine, CA 92614-8560.
- What is Jay Westphal's phone number?
- The practice phone number listed in the NPPES registry for Jay Westphal is (949) 351-9890.
- Is Jay Westphal's NPI active?
- Yes — Jay Westphal's NPI (1457605115) is active in the NPPES registry as of the last update on 2012-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.