Doctor profile · Federal record

Dr. Leonard Leff, D.M.D.

Dentist · West Orange, NJ

  • NPI 1134243041
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
515 Valley RD
West Orange, NJ 070525234
(973) 731-8313
fax (973) 731-4504
Mailing address
31 Manger RD
West Orange, NJ 070521714

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
122300000X — NUCC code
State license (1)
New Jersey #DI15101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134243041. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$375
Transactions
6
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ZIMVIE INC. 6 $375.00

By nature of payment

Education
$375

Frequently asked questions

Auto-generated from federal data
What is Dr. Leonard Leff's medical specialty?
Dr. Leonard Leff practices Dentist in West Orange, NJ.
Where does Dr. Leonard Leff practice?
Dr. Leonard Leff practices at 515 Valley RD, West Orange, NJ 070525234. Office phone: 9737318313.
What is Dr. Leonard Leff's NPI?
Dr. Leonard Leff's National Provider Identifier (NPI) is 1134243041, issued by NPPES.