IndividualActive
Leonard Arbeit, M.D.
NPI 1124052774 · Nephrology Physician · East Setauket, NY
Leonard Arbeit, M.D. is a Nephrology Physician provider in East Setauket, NY (NPI 1124052774).
Provider details
- NPI number
- 1124052774
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 139412 (NY)
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
26 Research Way
East Setauket, NY 11733
Phone: (631) 444-0580
Street-level locationGet directions
Mailing address
P.o. Box 1559
Stony Brook, NY 11790
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonard Arbeit's NPI number?
- Leonard Arbeit's National Provider Identifier (NPI) is 1124052774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Arbeit's specialty?
- Leonard Arbeit is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Arbeit located?
- Leonard Arbeit's practice location on file with NPPES is 26 Research Way, East Setauket, NY 11733.
- What is Leonard Arbeit's phone number?
- The practice phone number listed in the NPPES registry for Leonard Arbeit is (631) 444-0580.
- Is Leonard Arbeit's NPI active?
- Yes — Leonard Arbeit's NPI (1124052774) 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.