IndividualActive
Leonard Janchar, MD
NPI 1457318974 · Pediatrics Physician · Marion, OH
Leonard Janchar, MD is a Pediatrics Physician provider in Marion, OH (NPI 1457318974).
Provider details
- NPI number
- 1457318974
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.033560 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(100/100 index)
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
3 documented practice locations
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
181 S Main St
Marion, OH 43302
Phone: (740) 383-7927
Fax: (740) 383-7942
Street-level locationGet directions
Mailing address
181 S Main St
Marion, OH 43302-3964
Additional practice locations (2)
- 1040 Delaware AveMarion, OH 43302-6416Phone: (740) 383-8090Fax: (740) 383-7942
- 181 S Main StMarion, OH 43302Phone: (740) 383-7927Fax: (740) 383-7942
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2019-09-09
Frequently asked questions
- What is Leonard Janchar's NPI number?
- Leonard Janchar's National Provider Identifier (NPI) is 1457318974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Janchar's specialty?
- Leonard Janchar is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Janchar located?
- Leonard Janchar's practice location on file with NPPES is 181 S Main St, Marion, OH 43302.
- What is Leonard Janchar's phone number?
- The practice phone number listed in the NPPES registry for Leonard Janchar is (740) 383-7927.
- Is Leonard Janchar's NPI active?
- Yes — Leonard Janchar's NPI (1457318974) is active in the NPPES registry as of the last update on 2019-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.