Stephen Westerhout, MD
NPI 1679513279 · Anesthesiology Physician · Seal Beach, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Westerhout, MD is a Anesthesiology Physician provider in Seal Beach, CA (NPI 1679513279).
Provider details
- NPI number
- 1679513279
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A76842 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
4 documented practice locations
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
Additional practice locations (3)
- 4968 Booth Cir Ste 105Irvine, CA 92604-3366Phone: (949) 350-0115
- 1441 Avocado Ave Ste 100Newport Beach, CA 92660-7702Phone: (949) 350-0115
- 361 Hospital Rd Ste 124Newport Beach, CA 92663-3521Phone: (949) 631-0988Fax: (949) 631-2504
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2025-04-17
- Certified
- 2025-04-17
Frequently asked questions
- What is Stephen Westerhout's NPI number?
- Stephen Westerhout's National Provider Identifier (NPI) is 1679513279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Westerhout's specialty?
- Stephen Westerhout is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Westerhout located?
- Stephen Westerhout's practice location on file with NPPES is 770 Pacific Coast Hwy, Seal Beach, CA 90740-6215.
- What is Stephen Westerhout's phone number?
- The practice phone number listed in the NPPES registry for Stephen Westerhout is (949) 350-0115.
- Does Stephen Westerhout accept Medicare?
- Stephen Westerhout is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Westerhout's NPI active?
- Yes — Stephen Westerhout's NPI (1679513279) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.