Mark Weinstein, M.D.
NPI 1407883176 · Internal Medicine Physician · Bethpage, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Weinstein, M.D. is a Internal Medicine Physician provider in Bethpage, NY (NPI 1407883176).
Provider details
- NPI number
- 1407883176
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 141364 (NY)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2008-10-09
Frequently asked questions
- What is Mark Weinstein's NPI number?
- Mark Weinstein's National Provider Identifier (NPI) is 1407883176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Weinstein's specialty?
- Mark Weinstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Weinstein located?
- Mark Weinstein's practice location on file with NPPES is 4277 Hempstead Tpke, Bethpage, NY 11714-5709.
- What is Mark Weinstein's phone number?
- The practice phone number listed in the NPPES registry for Mark Weinstein is (516) 731-7770.
- Does Mark Weinstein accept Medicare?
- Mark Weinstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Weinstein's NPI active?
- Yes — Mark Weinstein's NPI (1407883176) is active in the NPPES registry as of the last update on 2008-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.