Doctor profile · Federal record

Dr. Stuart Leitner, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Livingston, NJ

  • NPI 1558341735
  • Accepts Medicare
  • MIPS 88.9 / 100 · 2023
  • 53 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
94 Old Short Hills RD
Livingston, NJ 070395672
(973) 322-5200
Mailing address
16 Robert Dr
Short Hills, NJ 070781507

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
May 2, 2024
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New Jersey #25MA04624400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558341735. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,130
Distinct HCPCS
9
Medicare allowed
$119,493
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 343 91 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 299 207 $71
99215 Established patient office or other outpatient visit, 40-54 minutes 218 59 $154
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 120 27 $85
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 57 19 $54
99205 New patient office or other outpatient visit, 60-74 minutes 31 31 $196
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 28 16 $129
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 16 $141
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 16 $187

In context: peer comparison

Among 5 peers in Livingston Hematology & Oncology Physician, average services per provider: 4,164. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 1 $20.59
Genentech USA, INC. 1 $18.99

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
991
Patients
205
Total drug cost
$1,748,855
Drug Type Claims Patients Total cost
Anastrozole Generic 231 61 $6,063
Abiraterone Acetate Generic 154 19 $511,307
Letrozole Generic 130 36 $3,518
Methylprednisolone Generic 126 21 $1,977
Prednisone Generic 72 15 $561
Bicalutamide Generic 49 15 $909
Ondansetron Hcl Generic 43 26 $311
Ibrance (Palbociclib) Brand 35 0 $540,762
Gabapentin Generic 29 0 $233
Xtandi (Enzalutamide) Brand 25 0 $345,305

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stuart Leitner's medical specialty?
Dr. Stuart Leitner practices Hematology & Oncology Physician in Livingston, NJ.
Where does Dr. Stuart Leitner practice?
Dr. Stuart Leitner practices at 94 Old Short Hills RD, Livingston, NJ 070395672. Office phone: 9733225200.
What is Dr. Stuart Leitner's NPI?
Dr. Stuart Leitner's National Provider Identifier (NPI) is 1558341735, issued by NPPES.
Does Dr. Stuart Leitner accept Medicare assignment?
Yes. Dr. Stuart Leitner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stuart Leitner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.