MARK ANDREW HILLYER MD
NPI 1649248840
Family Medicine in Bolivar, OH
About Mark Andrew Hillyer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ANDREW HILLYER MD (NPI 1649248840) is an individual family medicine provider in Bolivar, Ohio, licensed in Ohio (35082430) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Union Hospital, and is a graduate of Northeastern Ohio University College Of Medicine (2001).
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
Mark Andrew Hillyer Md 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
2Medicare enrollment records show Mark Hillyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Canton, OH 44710
- Reassigned Medicare billing, Ohio enrollment
- 189 clinicians in this Medicare group
Orrville, OH 44667
- Reassigned Medicare billing, Ohio enrollment
- 124 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Union Hospital
Acute Care Hospitals · Dover, OHAultman Hospital
Acute Care Hospitals · Canton, OHAultman Orrville Hospital
Critical Access Hospitals · Orrville, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOLIVAR, OH 44612
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 Mark Hillyer's NPI number?
The NPI number for Mark Hillyer is 1649248840. It was assigned to this individual provider in the NPPES registry on March 14, 2006.
Where is Mark Hillyer located?
Mark Hillyer practices at 10724 State Route 212 NE, Bolivar, OH 44612. The listed phone number is (330) 874-7165.
What is Mark Hillyer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Hillyer enrolled in Medicare?
Yes. Mark Hillyer 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 Mark Hillyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hillyer reassigns Medicare benefits to 2 organizations: Ohio Physician Professional Corporation (Canton, OH) and Orrville Hospital Foundation (Orrville, OH). 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 Mark Hillyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Hillyer accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 1 other insurer list Mark Hillyer 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 Mark Hillyer affiliated with any hospitals?
According to CMS data, Mark Hillyer is affiliated with Union Hospital, Aultman Hospital and Aultman Orrville Hospital.
When was this NPI record last updated?
The NPPES record for Mark Hillyer was last updated on February 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.