Leonard Kendall Lantz, M.D.
Psychiatry Physician · Helena, MT
Leonard Kendall Lantz, M.D. is a psychiatry physician with a practice address in Helena, Montana, and NPI 1619908654, issued on Jul 6, 2006. Check the license (Montana 10765, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leonard Kendall Lantz
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 10765 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2735 Colonial Dr Ste A, Helena, MT 59601
- Phone
- (406) 204-2151
- Enumerated
- Jul 6, 2006
- Record last updated
- Jun 29, 2023
- Fax
- (406) 204-2154
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 156 in Montana → Look up another NPI →
Also registered at 2735 Colonial Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krista David, M.D.Psychiatry Physician1245255355
Verify Leonard Kendall Lantz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 10765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $85.65
1 payment: food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Leonard Kendall Lantz among 156 psychiatry physician records in Montana
Leonard Kendall Lantz, M.D. is one of 156 psychiatry physician records with a practice address in Montana. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 psychiatry physician records list a practice address in Helena
They are 16 of the 1,591 NPPES records with a practice address in Helena, and 156 psychiatry physician records in Montana.
All 156 in Montana → Every provider in Helena → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Deanna Armstrong, M.D.Helena, MT 596011003900184
- Betsy Bittman, MDHelena, MT 596011376630756
- Robert Caldwell, M.D.Helena, MT 596011437165461
- Christine DalyHelena, MT 596011649380684
- Krista David, M.D.Helena, MT 596011245255355
- Evelyn Driscoll, MDHelena, MT 596011942210356
- Charles Ellis, M.D.Helena, MT 596011124196845
- Shawnee Farnham, DOHelena, MT 596011952402570
Common questions
What is Leonard Kendall Lantz, M.D.'s NPI number?
Leonard Kendall Lantz, M.D.'s National Provider Identifier (NPI) is 1619908654, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Kendall Lantz, M.D. located?
The NPPES record lists a practice address at 2735 Colonial Dr Ste A, Helena, MT, 59601. Phone: (406) 204-2151. Providers update this record themselves, so call before visiting.
How can I verify Leonard Kendall Lantz, M.D.'s license?
NPPES lists Montana license number 10765, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.