Doctor profile · Federal record

Dr. Leah Gendler, M.D.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Morristown, NJ

  • NPI 1306836127
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Madison Ave # 152, Carol G. Simon Cancer Center at Mmc
Morristown, NJ 079606136
(973) 971-4166
fax (973) 290-7152
Mailing address
Po Box 416457
Boston, MA 022416457

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
February 12, 2016
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
New Jersey #25MA07906800 · New Jersey #25MA07906

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306836127. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
240
Distinct HCPCS
9
Medicare allowed
$66,994
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 60 59 $141
99205 New patient office or other outpatient visit, 60-74 minutes 42 42 $241
19301 Partial removal of breast 26 26 $723
99215 Established patient office or other outpatient visit, 40-54 minutes 26 25 $197
99213 Established patient office or other outpatient visit, 20-29 minutes 21 20 $100
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $183
19301 Partial removal of breast 17 16 $808
38525 Biopsy or removal of deep lymph nodes of underarm 16 16 $280
76998 Ultrasonic guidance during surgery 14 14 $65

In context: peer comparison

Among 9 peers in Morristown Surgery Physician, average services per provider: 56. This provider delivers 4.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$285
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Kub Technologies INC. 1 $132.39
Myriad Genetic Laboratories, INC. 4 $77.78
Medtronic, INC. 1 $31.84
Merck Sharp & Dohme LLC 1 $21.36
AstraZeneca Pharmaceuticals Lp 1 $21.19

By nature of payment

Food and Beverage
$285

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
42
Total drug cost
$1,008
Drug Type Claims Patients Total cost
Anastrozole Generic 29 14 $811
Celecoxib Generic 18 17 $179
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 11 11 $18

Frequently asked questions

Auto-generated from federal data
What is Dr. Leah Gendler's medical specialty?
Dr. Leah Gendler practices Surgery Physician in Morristown, NJ.
Where does Dr. Leah Gendler practice?
Dr. Leah Gendler practices at 100 Madison Ave # 152, Morristown, NJ 079606136. Office phone: 9739714166.
What is Dr. Leah Gendler's NPI?
Dr. Leah Gendler's National Provider Identifier (NPI) is 1306836127, issued by NPPES.
Does Dr. Leah Gendler accept Medicare assignment?
Yes. Dr. Leah Gendler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leah Gendler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205); Partial removal of breast (HCPCS 19301). Source: CMS Medicare Physician & Other Practitioners file.