DR. JOHN RUSSELL ROOST D.O.
NPI 1083988877
Obstetrics & Gynecology in Perrysburg, OH
About Dr. John Russell Roost D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN RUSSELL ROOST D.O. (NPI 1083988877) is an individual obstetrics & gynecology provider in Perrysburg, Ohio, licensed in Ohio (34012385) and active in the NPI registry since February 2012. He is enrolled in Medicare PECOS, is affiliated with Mercy St Vincent Medical Center, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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
Dr. John Russell Roost 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 Reassignments
2Medicare enrollment records show John Roost reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, OH 43604
- Reassigned Medicare billing, Ohio enrollment
- 457 clinicians in this Medicare group
Defiance, OH 43512
- Reassigned Medicare billing, Ohio enrollment
- 136 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy St Vincent Medical Center
Acute Care Hospitals · Toledo, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43551 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.
PERRYSBURG, OH 43551
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 Roost's NPI number?
The NPI number for John Roost is 1083988877. It was assigned to this individual provider in the NPPES registry on February 27, 2012.
Where is John Roost located?
John Roost practices at 1021 Sandusky St Suite E, Perrysburg, OH 43551. The listed phone number is (419) 872-3207.
What is John Roost's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John Roost enrolled in Medicare?
Yes. John Roost 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 John Roost's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Roost reassigns Medicare benefits to 2 organizations: Mercy Health Physicians-North LLC (Toledo, OH) and Mercy Medical Partners Northern Region LLC (Defiance, 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 John Roost's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Roost 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 4 other insurers list John Roost 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 Roost affiliated with any hospitals?
According to CMS data, John Roost is affiliated with Mercy St Vincent Medical Center.
When was this NPI record last updated?
The NPPES record for John Roost was last updated on July 27, 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.
# Dr. John Russell Roost, D.O. · NPI 1083988877
Obstetrics & Gynecology physician in Perrysburg, Ohio. Individual provider, active in the CMS NPPES registry since February 27, 2012.
## Identity
- **NPI:** 1083988877 (Entity type: Individual)
- **Enumerated:** February 27, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 34012385 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 1021 SANDUSKY ST, SUITE E, Perrysburg, OH 43551-3120
- **Phone:** (419) 872-3207 · **Fax:** (419) 872-3237
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Health Physicians-North LLC (NPI 1609000769, Toledo, OH); Mercy Medical Partners Northern Region LLC (NPI 1669756532, Defiance, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 27, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1083988877) · Data from the CMS NPPES public registry.