Robert Lesser, MD
NPI 1245354463 · Rheumatology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Lesser, MD is a Rheumatology Physician provider in Brooklyn, NY (NPI 1245354463).
Provider details
- NPI number
- 1245354463
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 169385 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,348 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 527 | $146 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 465 | $18 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 216 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 54 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 46 | $192 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 256 | 64 |
| Prednisone | 233 | 69 |
| Gabapentin | 118 | 36 |
| Allopurinol | 106 | 33 |
| Hydroxychloroquine Sulfate | 83 | 26 |
| Pregabalin | 82 | 16 |
| Folic Acid | 71 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-16
- Last updated
- 2021-02-12
- Certified
- 2021-02-12
Frequently asked questions
- What is Robert Lesser's NPI number?
- Robert Lesser's National Provider Identifier (NPI) is 1245354463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Lesser's specialty?
- Robert Lesser is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Lesser located?
- Robert Lesser's practice location on file with NPPES is 4015 Avenue U, Brooklyn, NY 11234-5117.
- What is Robert Lesser's phone number?
- The practice phone number listed in the NPPES registry for Robert Lesser is (718) 252-5151.
- Does Robert Lesser accept Medicare?
- Robert Lesser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Lesser's NPI active?
- Yes — Robert Lesser's NPI (1245354463) is active in the NPPES registry as of the last update on 2021-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.