Edwin Oberstein, MD
NPI 1164483897 · Internal Medicine Physician · Northport, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Edwin Oberstein, MD is a Internal Medicine Physician provider in Northport, NY (NPI 1164483897).
Provider details
- NPI number
- 1164483897
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 178723 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-03-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Edwin Oberstein's NPI number?
- Edwin Oberstein's National Provider Identifier (NPI) is 1164483897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Edwin Oberstein's specialty?
- Edwin Oberstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Edwin Oberstein located?
- Edwin Oberstein's practice location on file with NPPES is 79 Middleville Rd, Northport, NY 11768-2200.
- What is Edwin Oberstein's phone number?
- The practice phone number listed in the NPPES registry for Edwin Oberstein is (631) 754-7948.
- Does Edwin Oberstein accept Medicare?
- Edwin Oberstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Edwin Oberstein's NPI active?
- Yes — Edwin Oberstein's NPI (1164483897) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.