Doctor profile · Federal record

Dr. Leonard Lantz, M.D.

Psychiatry Physician · Child & Adolescent Psychiatry Physician · Helena, MT

  • NPI 1619908654
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2735 Colonial Dr Ste A
Helena, MT 596014971
(406) 204-2151
fax (406) 204-2154

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 29, 2023
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Montana #10765

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619908654. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$86
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $85.65

By nature of payment

Food and Beverage
$86

Frequently asked questions

Auto-generated from federal data
What is Dr. Leonard Lantz's medical specialty?
Dr. Leonard Lantz practices Psychiatry Physician in Helena, MT.
Where does Dr. Leonard Lantz practice?
Dr. Leonard Lantz practices at 2735 Colonial Dr Ste A, Helena, MT 596014971. Office phone: 4062042151.
What is Dr. Leonard Lantz's NPI?
Dr. Leonard Lantz's National Provider Identifier (NPI) is 1619908654, issued by NPPES.