DR. RYAN CALLAHAN MCKENNON D.O.
NPI 1972710804
Emergency Medicine in Mount Clemens, MI
About Dr. Ryan Callahan Mckennon D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN CALLAHAN MCKENNON D.O. (NPI 1972710804) is an individual emergency medicine provider in Mount Clemens, Michigan, licensed in Michigan (5101016516) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Henry Ford Health Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (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. Ryan Callahan Mckennon 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 Ryan Mckennon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Detroit, MI 48202
- Reassigned Medicare billing, Michigan enrollment
- 1,886 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
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.
Henry Ford Health Hospital
Acute Care Hospitals · Detroit, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48043 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.
MOUNT CLEMENS, MI 48043
MOUNT CLEMENS, MI 48043
MOUNT CLEMENS, MI 48043
MOUNT CLEMENS, MI 48043
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 Ryan Mckennon's NPI number?
The NPI number for Ryan Mckennon is 1972710804. It was assigned to this individual provider in the NPPES registry on May 17, 2007.
Where is Ryan Mckennon located?
Ryan Mckennon practices at 1000 Harrington St, Mount Clemens, MI 48043. The listed phone number is (586) 493-8000.
What is Ryan Mckennon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ryan Mckennon enrolled in Medicare?
Yes. Ryan Mckennon 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 Ryan Mckennon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Mckennon reassigns Medicare benefits to Henry Ford Health System (Detroit, MI). 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 Ryan Mckennon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Mckennon accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Ryan Mckennon 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 Ryan Mckennon affiliated with any hospitals?
According to CMS data, Ryan Mckennon is affiliated with Henry Ford Health Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Mckennon was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Ryan Callahan Mckennon, D.O. · NPI 1972710804
Emergency Medicine physician in Mount Clemens, Michigan. Individual provider, active in the CMS NPPES registry since May 17, 2007.
## Identity
- **NPI:** 1972710804 (Entity type: Individual)
- **Enumerated:** May 17, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101016516 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 HARRINGTON ST, Mount Clemens, MI 48043-2920
- **Phone:** (586) 493-8000
## 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:** Henry Ford Health System (NPI 1528142858, Detroit, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2005
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1972710804) · Data from the CMS NPPES public registry.