DR. NATHANIEL EDWARD REINEMEYER M.D.
NPI 1487850947
Emergency Medicine in Van Wert, OH
About Dr. Nathaniel Edward Reinemeyer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHANIEL EDWARD REINEMEYER M.D. (NPI 1487850947) is an individual emergency medicine provider in Van Wert, Ohio, licensed in Ohio (35.091791) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Knox Community Hospital, and is a graduate of Other (2005).
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. Nathaniel Edward Reinemeyer 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
2Medicare enrollment records show Nathaniel Reinemeyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Vernon, OH 43050
- Reassigned Medicare billing, Ohio enrollment
- 43 clinicians in this Medicare group
Seaman, OH 45679
- Reassigned Medicare billing, Ohio enrollment
- 894 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.
Knox Community Hospital
Acute Care Hospitals · Mount Vernon, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45891 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.
VAN WERT, OH 45891
VAN WERT, OH 45891
VAN WERT, OH 45891
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 Nathaniel Reinemeyer's NPI number?
The NPI number for Nathaniel Reinemeyer is 1487850947. It was assigned to this individual provider in the NPPES registry on June 22, 2007.
Where is Nathaniel Reinemeyer located?
Nathaniel Reinemeyer practices at 1250 S Washington St, Van Wert, OH 45891. The listed phone number is (419) 238-8611.
What is Nathaniel Reinemeyer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nathaniel Reinemeyer enrolled in Medicare?
Yes. Nathaniel Reinemeyer 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 Nathaniel Reinemeyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Reinemeyer reassigns Medicare benefits to 2 organizations: Knox Emergency Services, LLC (Mount Vernon, OH) and Emergency Professional Services, Inc. (Seaman, 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 Nathaniel Reinemeyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathaniel Reinemeyer accept?
Health plans from CareSource list Nathaniel Reinemeyer 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 Nathaniel Reinemeyer affiliated with any hospitals?
According to CMS data, Nathaniel Reinemeyer is affiliated with Knox Community Hospital.
When was this NPI record last updated?
The NPPES record for Nathaniel Reinemeyer was last updated on October 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Nathaniel Edward Reinemeyer, M.D. · NPI 1487850947
Emergency Medicine physician in Van Wert, Ohio. Individual provider, active in the CMS NPPES registry since June 22, 2007.
## Identity
- **NPI:** 1487850947 (Entity type: Individual)
- **Enumerated:** June 22, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 35.091791 (Ohio)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1250 S WASHINGTON ST, Van Wert, OH 45891-2551
- **Phone:** (419) 238-8611
## 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): Knox Emergency Services, LLC (NPI 1861450066, Mount Vernon, OH); Emergency Professional Services, Inc. (NPI 1093762353, Seaman, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** October 19, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1487850947) · Data from the CMS NPPES public registry.