Leonard Sigal
Rheumatology Physician · New Brunswick, NJ
Leonard Sigal is a rheumatology physician with a practice address in New Brunswick, New Jersey, and NPI 1790850444, issued on Nov 21, 2006. Check the license (New Jersey MA51908, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leonard Sigal
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MA51908 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 125 Paterson St, New Brunswick, NJ 08901
- Phone
- (732) 235-7217
- Enumerated
- Nov 21, 2006
- Record last updated
- Feb 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180508001289); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 253 in New Jersey → Look up another NPI →
Also registered at 125 Paterson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David AdekanyeStudent in an Organized Health Care Education/Training Program1235712175
- Hesham Ahmed, M.D.Surgical Critical Care Physician1104015056
- Yasemin Akinci, M.D.Student in an Organized Health Care Education/Training Program1912641507
- Catherine Albrecht, FNPNurse Practitioner1710242623
- Louis Amorosa, MDEndocrinology, Diabetes & Metabolism Physician1265519383
- Susan Anderson, R.N.Certified Registered Nurse Anesthetist1154795607
Verify Leonard Sigal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA51908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Berkshire Faculty Services IncPittsfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Sigal among 253 rheumatology physician records in New Jersey
Leonard Sigal is one of 253 rheumatology physician records with a practice address in New Jersey. 86% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 54% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1976 · median 2003 among the 190 with a school on file
- Record last updated2008 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in New Jersey
There are 253 rheumatology physician records in New Jersey.
All 253 in New Jersey → Every provider in New Brunswick → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Lori Ann CoxNew Brunswick, NJ 089011437229143
- Ellin FloresNew Brunswick, NJ 089011922811462
- Vivien Hsu, MDNew Brunswick, NJ 089011992875421
- Pooja Jotwani, MBBSNew Brunswick, NJ 089011174083273
- Jammie Law, MDNew Brunswick, NJ 089011922503150
- Kyle Park, MDNew Brunswick, NJ 089011346603388
- Mahboob Rahman, MDNew Brunswick, NJ 089011770511818
- Naomi Schlesinger, MDNew Brunswick, NJ 089011457424020
Common questions
What is Leonard Sigal's NPI number?
Leonard Sigal's National Provider Identifier (NPI) is 1790850444, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Sigal located?
The NPPES record lists a practice address at 125 Paterson St, New Brunswick, NJ, 08901. Phone: (732) 235-7217. Providers update this record themselves, so call before visiting.
How can I verify Leonard Sigal's license?
NPPES lists New Jersey license number MA51908, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.