CHRISTOPHER HAPNER
NPI 1891175865
Emergency Medicine in Ann Arbor, MI
About Christopher Hapner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER HAPNER (NPI 1891175865) is an individual emergency medicine provider in Ann Arbor, Michigan, licensed in Michigan (5101021903) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Promedica Toledo Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 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
Christopher Hapner 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
4Medicare enrollment records show Christopher Hapner reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sylvania, OH 43560
- Reassigned Medicare billing, Ohio enrollment
- 375 clinicians in this Medicare group
Toledo, OH 43606
- Reassigned Medicare billing, Michigan and Ohio enrollments
- 95 clinicians in this Medicare group
Toledo, OH 43606
- Reassigned Medicare billing, Ohio enrollment
- 124 clinicians in this Medicare group
Saint Marys, OH 45885
- Reassigned Medicare billing, Ohio enrollment
- 73 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 5
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.
Promedica Toledo Hospital
Acute Care Hospitals · Toledo, OHFostoria Community Hospital
Critical Access Hospitals · Fostoria, OHPromedica Defiance Regional Hospital
Critical Access Hospitals · Defiance, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 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.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Christopher Hapner's NPI number?
The NPI number for Christopher Hapner is 1891175865. It was assigned to this individual provider in the NPPES registry on June 4, 2015.
Where is Christopher Hapner located?
Christopher Hapner practices at 1500 E. Medical Center Drive, Ann Arbor, MI 48109. The listed phone number is (734) 763-7919.
What is Christopher Hapner's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Christopher Hapner enrolled in Medicare?
Yes. Christopher Hapner 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 Christopher Hapner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Hapner reassigns Medicare benefits to 4 organizations: The Toledo Hospital (Sylvania, OH), Emergency Physicians Of Northwest Ohio Inc. (Toledo, OH), Observation Physicians Of Northwest Ohio LLC (Toledo, OH) and Joint Township District Memorial Hospital (Saint Marys, 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 Christopher Hapner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Hapner accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource and Paramount list Christopher Hapner 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 Christopher Hapner affiliated with any hospitals?
According to CMS data, Christopher Hapner is affiliated with Promedica Toledo Hospital, Fostoria Community Hospital and Promedica Defiance Regional Hospital.
When was this NPI record last updated?
The NPPES record for Christopher Hapner was last updated on July 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.