Lesley Fein, MD
NPI 1568535664 · Rheumatology Physician · West Caldwell, NJ
Lesley Fein, MD is a Rheumatology Physician provider in West Caldwell, NJ (NPI 1568535664).
Provider details
- NPI number
- 1568535664
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA05160500 (NJ)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Minocycline Hcl | 100 | 30 |
| Tinidazole | 99 | 30 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 82 | 13 |
| Oxycodone Hcl | 80 | — |
| Valganciclovir Hcl | 71 | 16 |
| Gabapentin | 64 | 13 |
| Valacyclovir Hclbrand: Valacyclovir | 63 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lesley Fein's NPI number?
- Lesley Fein's National Provider Identifier (NPI) is 1568535664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lesley Fein's specialty?
- Lesley Fein is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Lesley Fein located?
- Lesley Fein's practice location on file with NPPES is 1099 Bloomfield Ave, West Caldwell, NJ 07006.
- What is Lesley Fein's phone number?
- The practice phone number listed in the NPPES registry for Lesley Fein is (973) 575-0338.
- Is Lesley Fein's NPI active?
- Yes — Lesley Fein's NPI (1568535664) 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.