Lesley A. Fein, MD
Rheumatology Physician · West Caldwell, NJ
Lesley A. Fein, MD is a rheumatology physician with a practice address in West Caldwell, New Jersey, and NPI 1568535664, issued on Nov 16, 2006. Check the license (New Jersey 25MA05160500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lesley A. Fein
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 25MA05160500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1099 Bloomfield Ave, West Caldwell, NJ 07006
- Phone
- (973) 575-0338
- Enumerated
- Nov 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (973) 575-9340
- Medicare enrollment
- Enrolled (PECOS I20051019000316); may accept Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 253 in New Jersey → Look up another NPI →
Also registered at 1099 Bloomfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lesley A. Fein 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 25MA05160500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,622 Medicare Part D claims for 59 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 155 claims were for opioids.
Most prescribed
- Minocycline Hcl100 claims
- Tinidazole99 claims
- Sulfamethoxazole-Trimethoprim82 claims
- Oxycodone Hcl80 claims
- Valganciclovir Hcl71 claims
- Gabapentin64 claims
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.
Lesley A. Fein among 253 rheumatology physician records in New Jersey
Lesley A. Fein, MD 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
- Graduated1984 · median 2003 among the 190 with a school on file
- Record last updated2007 · 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 West Caldwell → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Mowyad Khalid, M.DCaldwell, NJ 070061023540572
- Joseph Marchesano, M.D.Bloomfield, NJ 070031811003726
- Jonathan Simon, MDBloomfield, NJ 070031578626636
- Rehan Shah, M.D.Bayonne, NJ 070021386895688
- Marc Goldberg, MD.,F.A.C.PClifton, NJ 070121376599563
- Michael Lewko, MDClifton, NJ 070121730121799
- Nikil Revuri, MDClifton, NJ 070121447710645
- Michael Guma, D.O.Clifton, NJ 070141376655407
Common questions
What is Lesley A. Fein, MD's NPI number?
Lesley A. Fein, MD's National Provider Identifier (NPI) is 1568535664, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lesley A. Fein, MD located?
The NPPES record lists a practice address at 1099 Bloomfield Ave, West Caldwell, NJ, 07006. Phone: (973) 575-0338. Providers update this record themselves, so call before visiting.
How can I verify Lesley A. Fein, MD's license?
NPPES lists New Jersey license number 25MA05160500, 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.
How much does Lesley A. Fein, MD prescribe under Medicare Part D?
In 2024, Lesley A. Fein, MD had 1,622 Medicare Part D claims for 59 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.