Doctor profile · Federal record

Dr. Stewart Lecker, M.D.

Nephrology Physician (CMS: Nephrology) · Boston, MA

  • NPI 1184661134
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Avenue, Bi Renal Unit Dana 517
Boston, MA 02215
(617) 667-2147
Mailing address
237 Winchester St, Unit 2
Brookline, MA 024462766

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Massachusetts #151321

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184661134. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,366
Distinct HCPCS
10
Medicare allowed
$199,027
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 258 113 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 231 148 $104
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 209 36 $314
82570 Creatinine level to test for kidney function or muscle injury 168 70 $5
90935 Hemodialysis procedure with physician evaluation 154 66 $76
82043 Urine microalbumin (protein) level 95 70 $6
36415 Insertion of needle into vein for collection of blood sample 94 62 $8
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 86 84 $138
82565 Blood creatinine level 82 60 $5
80051 Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) 80 59 $7

In context: peer comparison

Among 73 peers in Boston Nephrology Physician, average services per provider: 137. This provider delivers 17× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
889
Patients
216
Total drug cost
$240,335
Drug Type Claims Patients Total cost
Calcitriol Generic 193 53 $4,277
Jardiance (Empagliflozin) Brand 125 27 $135,606
Losartan Potassium Generic 112 35 $2,319
Torsemide Generic 67 19 $1,504
Amlodipine Besylate Generic 64 22 $819
Sevelamer Carbonate Generic 49 22 $17,730
Lisinopril Generic 45 16 $1,010
Farxiga (Dapagliflozin Propanediol) Brand 42 0 $44,471
Carvedilol Generic 40 11 $820
Cinacalcet Hcl Generic 33 0 $25,973

Frequently asked questions

Auto-generated from federal data
What is Dr. Stewart Lecker's medical specialty?
Dr. Stewart Lecker practices Nephrology Physician in Boston, MA.
Where does Dr. Stewart Lecker practice?
Dr. Stewart Lecker practices at 330 Brookline Avenue, Boston, MA 02215. Office phone: 6176672147.
What is Dr. Stewart Lecker's NPI?
Dr. Stewart Lecker's National Provider Identifier (NPI) is 1184661134, issued by NPPES.
Does Dr. Stewart Lecker accept Medicare assignment?
Yes. Dr. Stewart Lecker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stewart Lecker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.