GUY CHARLES LEONARD DO
NPI 1407599889
Hospitalist in Lorain, OH
About Guy Charles Leonard Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUY CHARLES LEONARD DO (NPI 1407599889) is an individual hospitalist provider in Lorain, Ohio, licensed in Ohio (34.018042) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mercy Regional Medical Center, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Guy Charles Leonard Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Regional Medical Center
Acute Care Hospitals · Lorain, OHMercy Allen Hospital
Critical Access Hospitals · Oberlin, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44053 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Guy Leonard's NPI number?
The NPI number for Guy Leonard is 1407599889. It was assigned to this individual provider in the NPPES registry on April 14, 2022.
Where is Guy Leonard located?
Guy Leonard practices at 3700 Kolbe Rd, Lorain, OH 44053. The listed phone number is (440) 960-4000.
What is Guy Leonard's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Guy Leonard enrolled in Medicare?
Yes. Guy Leonard is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Guy Leonard affiliated with any hospitals?
According to CMS data, Guy Leonard is affiliated with Mercy Regional Medical Center and Mercy Allen Hospital.
When was this NPI record last updated?
The NPPES record for Guy Leonard was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Guy Charles Leonard, DO · NPI 1407599889
Hospitalist physician in Lorain, Ohio. Individual provider, active in the CMS NPPES registry since April 14, 2022.
## Identity
- **NPI:** 1407599889 (Entity type: Individual)
- **Enumerated:** April 14, 2022
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 34.018042 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 3700 KOLBE RD, Lorain, OH 44053-1611
- **Phone:** (440) 960-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** August 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407599889) · Data from the CMS NPPES public registry.