Orest Petrishen, N.D., PH.D., C.N.C.
NPI 1932330867 · Nutritionist · Los Angeles, CA
Orest Petrishen, N.D., PH.D., C.N.C. is a Nutritionist provider in Los Angeles, CA (NPI 1932330867).
Provider details
- NPI number
- 1932330867
- Entity type
- Individual
- Primary specialty
- NutritionistDietary & Nutritional Service Providers
- Credential
- N.D., PH.D., C.N.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- CNC-2372 (IN)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-07-27
- Last updated
- 2010-05-20
Frequently asked questions
- What is Orest Petrishen's NPI number?
- Orest Petrishen's National Provider Identifier (NPI) is 1932330867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Orest Petrishen's specialty?
- Orest Petrishen is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).
- Where is Orest Petrishen located?
- Orest Petrishen's practice location on file with NPPES is 6333 Wilshire Blvd, Los Angeles, CA 90048-5702.
- What is Orest Petrishen's phone number?
- The practice phone number listed in the NPPES registry for Orest Petrishen is (323) 653-2504.
- Is Orest Petrishen's NPI active?
- Yes — Orest Petrishen's NPI (1932330867) is active in the NPPES registry as of the last update on 2010-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.