Leonard Lantz, M.D.
NPI 1619908654 · Psychiatry Physician · Helena, MT
Leonard Lantz, M.D. is a Psychiatry Physician provider in Helena, MT (NPI 1619908654).
Provider details
- NPI number
- 1619908654
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10765 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$86 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2023-06-29
- Certified
- 2023-06-29
Frequently asked questions
- What is Leonard Lantz's NPI number?
- Leonard Lantz's National Provider Identifier (NPI) is 1619908654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Lantz's specialty?
- Leonard Lantz is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Lantz located?
- Leonard Lantz's practice location on file with NPPES is 2735 Colonial Dr Ste a, Helena, MT 59601-4971.
- What is Leonard Lantz's phone number?
- The practice phone number listed in the NPPES registry for Leonard Lantz is (406) 204-2151.
- Is Leonard Lantz's NPI active?
- Yes — Leonard Lantz's NPI (1619908654) is active in the NPPES registry as of the last update on 2023-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.