Doctor profile · Federal record

Dr. Lewen Stempler, M.D.

Nuclear Medicine Physician (CMS: Nuclear Medicine) · New York, NY

  • NPI 1518303247
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Gustave L Levy Pl, Box 1141, Mount Sinai Medical Center
New York, NY 100296574
(212) 241-6500
fax (212) 241-2851

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
October 23, 2019
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207U00000X — NUCC code
State license (1)
New York #299842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518303247. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
772
Distinct HCPCS
10
Medicare allowed
$539,221
HCPCS Description Services Patients Avg allowed
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 253 229 $1,349
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries 217 199 $256
78816 Nuclear medicine study whole body with ct scan 91 90 $1,235
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 27 25 $128
78431 Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan 22 22 $94
78434 Nuclear medicine study of heart muscle blood flow by pet 21 21 $32
78830 Nuclear medicine study, spect imaging with concurrent ct scan, 1 area or single acquisition, single day imaging 21 20 $76
71260 Ct scan of chest with contrast 19 18 $139
A9541 Technetium tc-99m sulfur colloid, diagnostic, per study dose, up to 20 millicuries 17 17 $104
79101 Radioactive drug therapy through a vein 16 12 $105

In context: peer comparison

Among 11 peers in New York Nuclear Medicine Physician, average services per provider: 272. This provider delivers 2.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lewen Stempler's medical specialty?
Dr. Lewen Stempler practices Nuclear Medicine Physician in New York, NY.
Where does Dr. Lewen Stempler practice?
Dr. Lewen Stempler practices at 1 Gustave L Levy Pl, New York, NY 100296574. Office phone: 2122416500.
What is Dr. Lewen Stempler's NPI?
Dr. Lewen Stempler's National Provider Identifier (NPI) is 1518303247, issued by NPPES.
Does Dr. Lewen Stempler accept Medicare assignment?
Yes. Dr. Lewen Stempler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lewen Stempler commonly perform?
Top Medicare-reported procedures in 2023: Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS 78815); Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries (HCPCS A9552); Nuclear medicine study whole body with ct scan (HCPCS 78816). Source: CMS Medicare Physician & Other Practitioners file.