Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Guy Charles Leonard, DO

Individual provider Internal Medicine Physician · NPI 1407599889

Guy Charles Leonard, DO is an Internal Medicine in Lorain, Ohio. Qualified in 2022, 4 years ago. Practices with Hni Medical Services of Ohio, LLC, a 40-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
4
Licensed in
OH
In the registry since
2022
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

3700 Kolbe Rd
Lorain, OH 44053-1611
Phone: (440) 960-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 34.018042 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 34.018042 (OH)

Record details

NPI number1407599889
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 14, 2022
Last updated in NPPESAugust 14, 2025
Certification dateAugust 14, 2025
Mailing address3700 Kolbe Rd, Lorain, OH 44053-1611

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Hni Medical Services Of Ohio, Llc — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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