Edwin Barry Oberstein, MD
Internal Medicine Physician · Northport, NY
Edwin Barry Oberstein, MD is an internal medicine physician with a practice address in Northport, New York, and NPI 1164483897, issued on Mar 31, 2006. Check the license (New York 178723, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Edwin Barry Oberstein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 178723 NY
ME 63931 FL
Self-reported in NPPES; status is on the state search - Practice location
- 79 Middleville RD, Northport, NY 11768
- Phone
- (631) 754-7948
- Enumerated
- Mar 31, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (631) 266-6051
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 79 Middleville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Edwin Barry Oberstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 178723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
75 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Edwin Barry Oberstein among 12,067 internal medicine physician records in New York
Edwin Barry Oberstein, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Northport
They are 36 of the 879 NPPES records with a practice address in Northport, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Northport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joselito Arias, MDNorthport, NY 117681982660601
- Hossein Keyvan-Larijani, M.D.Northport, NY 117681245209121
- Jose Leon, MDNorthport, NY 117681962494591
- Ginny Leva, MDNorthport, NY 117681386680478
- Paul Leva, MDNorthport, NY 117681841222577
- David Lin, M.D.Northport, NY 117681356304943
- Patricia Matos-Puente, MDNorthport, NY 117681720047350
- Kalpana ParghiNorthport, NY 117681831136068
Common questions
What is Edwin Barry Oberstein, MD's NPI number?
Edwin Barry Oberstein, MD's National Provider Identifier (NPI) is 1164483897, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Edwin Barry Oberstein, MD located?
The NPPES record lists a practice address at 79 Middleville RD, Northport, NY, 11768. Phone: (631) 754-7948. Providers update this record themselves, so call before visiting.
How can I verify Edwin Barry Oberstein, MD's license?
NPPES lists New York license number 178723, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Edwin Barry Oberstein, MD prescribe under Medicare Part D?
In 2024, Edwin Barry Oberstein, MD had 75 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.