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Allan Orenstein, M.D.
NPI 1780619882 · Hematology & Oncology Physician · La, CA
Allan Orenstein, M.D. is a Hematology & Oncology Physician provider in La, CA (NPI 1780619882).
Provider details
- NPI number
- 1780619882
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G27670 (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
19 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
6801 Park Terrace
130
La, CA 90045-4025
Phone: (310) 649-7222
Street-level locationGet directions
Mailing address
6801 Park Terrace
La, CA 90045-4025
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2007-12-13
Frequently asked questions
- What is Allan Orenstein's NPI number?
- Allan Orenstein's National Provider Identifier (NPI) is 1780619882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allan Orenstein's specialty?
- Allan Orenstein is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Allan Orenstein located?
- Allan Orenstein's practice location on file with NPPES is 6801 Park Terrace, La, CA 90045-4025.
- What is Allan Orenstein's phone number?
- The practice phone number listed in the NPPES registry for Allan Orenstein is (310) 649-7222.
- Is Allan Orenstein's NPI active?
- Yes — Allan Orenstein's NPI (1780619882) is active in the NPPES registry as of the last update on 2007-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.