JOHN MICHAEL ALLEN D.O.
NPI 1215514815
Family Medicine in Mentor, OH
About John Michael Allen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MICHAEL ALLEN D.O. (NPI 1215514815) is an individual family medicine provider in Mentor, Ohio, licensed in Ohio (34.017207) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Uh Regional Hospitals, and maintains a secondary practice location in Richmond Heights.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
John Michael Allen D.o. 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 Reassignment
Medicare enrollment records show John Allen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mentor, OH 44060
- Reassigned Medicare billing, Ohio enrollment
- 285 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uh Regional Hospitals
Acute Care Hospitals · Chardon, OHLake Health
Acute Care Hospitals · Concord, OHUh Cleveland Medical Center
Acute Care Hospitals · Cleveland, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44060 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MENTOR, OH 44060
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 John Allen's NPI number?
The NPI number for John Allen is 1215514815. It was assigned to this individual provider in the NPPES registry on March 28, 2021.
Where is John Allen located?
John Allen practices at 9500 Mentor Avenue Suite 100, Mentor, OH 44060. The listed phone number is (440) 898-1021.
What is John Allen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Allen enrolled in Medicare?
Yes. John Allen 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 organization bills Medicare for John Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Allen reassigns Medicare benefits to Lake Hospital System, Inc. (Mentor, OH). The 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 John Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Allen 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 John Allen 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 John Allen affiliated with any hospitals?
According to CMS data, John Allen is affiliated with Uh Regional Hospitals, Lake Health and Uh Cleveland Medical Center.
When was this NPI record last updated?
The NPPES record for John Allen was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# John Michael Allen, D.O. · NPI 1215514815
Family Medicine physician in Mentor, Ohio. Individual provider, active in the CMS NPPES registry since March 28, 2021.
## Identity
- **NPI:** 1215514815 (Entity type: Individual)
- **Enumerated:** March 28, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 34.017207 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 9500 MENTOR AVENUE, SUITE 100, Mentor, OH 44060-8702
- **Phone:** (440) 898-1021
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Lake Hospital System, Inc. (NPI 1174844724, Mentor, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio University, College Of Osteopathic Medicine, class of 2021
## Record status
- **NPPES last updated:** July 10, 2024
- **Other identifiers:** Medicaid 0445696 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1215514815) · Data from the CMS NPPES public registry.