Stephen Leonard, M.D.
NPI 1346223278 · Internal Medicine Physician · Iron Mountain, MI
Stephen Leonard, M.D. is a Internal Medicine Physician provider in Iron Mountain, MI (NPI 1346223278).
Provider details
- NPI number
- 1346223278
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301033052 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-23
- Last updated
- 2012-09-20
Frequently asked questions
- What is Stephen Leonard's NPI number?
- Stephen Leonard's National Provider Identifier (NPI) is 1346223278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Leonard's specialty?
- Stephen Leonard is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Leonard located?
- Stephen Leonard's practice location on file with NPPES is 440 Woodward Ave, Iron Mountain, MI 49801-4631.
- What is Stephen Leonard's phone number?
- The practice phone number listed in the NPPES registry for Stephen Leonard is (906) 775-9040.
- Is Stephen Leonard's NPI active?
- Yes — Stephen Leonard's NPI (1346223278) is active in the NPPES registry as of the last update on 2012-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.