LEO JP CLARK M.D.
NPI 1659374007
Neurological Surgery in Maumee, OH
About Leo Jp Clark M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEO JP CLARK M.D. (NPI 1659374007) is an individual neurological surgery provider in Maumee, Ohio, licensed in Ohio (35039317C) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health Arnett Hospital, and is a graduate of George Washington University School Of Medicine (1970).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Leo Jp Clark M.d. 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.
Medicare Billing Reassignments
3Medicare enrollment records show Leo Clark reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford City, IN 47348
- Reassigned Medicare billing, Indiana enrollment
- 635 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Lafayette, IN 47905
- Reassigned Medicare billing, Indiana enrollment
- 671 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health Arnett Hospital
Acute Care Hospitals · Lafayette, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43537 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.
MAUMEE, OH 43537
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 Leo Clark's NPI number?
The NPI number for Leo Clark is 1659374007. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Leo Clark located?
Leo Clark practices at 5705 Monclova Rd Suite 204, Maumee, OH 43537. The listed phone number is (419) 891-8045.
What is Leo Clark's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Leo Clark enrolled in Medicare?
Yes. Leo Clark 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.
Which organizations bill Medicare for Leo Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leo Clark reassigns Medicare benefits to 3 organizations: Indiana University Health Ball Memorial Physicians, Inc. (Hartford City, IN), Iu Health Medical Group, LLC (Indianapolis, IN) and Arnett Clinic, LLC (Lafayette, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leo Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leo Clark accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Leo Clark as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Leo Clark affiliated with any hospitals?
According to CMS data, Leo Clark is affiliated with Indiana University Health Arnett Hospital.
When was this NPI record last updated?
The NPPES record for Leo Clark was last updated on January 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.