Stewart Lecker, M.D.
NPI 1184661134 · Nephrology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stewart Lecker, M.D. is a Nephrology Physician provider in Boston, MA (NPI 1184661134).
Provider details
- NPI number
- 1184661134
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 151321 (MA)
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
20 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
2,533 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 | 234 | $102 |
| 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 | 222 | $17 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 214 | $309 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 191 | $82 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury82570 | 137 | $5 |
| Hemodialysis Procedure With Physician Evaluation |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 230 | 62 |
| Empagliflozinbrand: Jardiance | 140 | 33 |
| Losartan Potassium | 86 | 29 |
| Amlodipine Besylate | 80 | 32 |
| Lisinopril | 51 | 16 |
| Torsemide | 45 | 15 |
| Furosemide | 39 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stewart Lecker's NPI number?
- Stewart Lecker's National Provider Identifier (NPI) is 1184661134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stewart Lecker's specialty?
- Stewart Lecker is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Stewart Lecker located?
- Stewart Lecker's practice location on file with NPPES is 330 Brookline Avenue, Boston, MA 02215.
- What is Stewart Lecker's phone number?
- The practice phone number listed in the NPPES registry for Stewart Lecker is (617) 667-2147.
- Does Stewart Lecker accept Medicare?
- Stewart Lecker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stewart Lecker's NPI active?
- Yes — Stewart Lecker's NPI (1184661134) 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.