Ryan Callahan McKennon, D.O.
Emergency Medicine Physician · Mount Clemens, MI
Ryan Callahan McKennon, D.O. is an emergency medicine physician with a practice address in Mount Clemens, Michigan, and NPI 1972710804, issued on May 17, 2007. Check the license (Michigan 5101016516, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ryan Callahan McKennon
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101016516 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Harrington St, Mount Clemens, MI 48043
- Phone
- (586) 493-8000
- Enumerated
- May 17, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071030000313); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2005
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1000 Harrington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Youssef Abbiss, D.O.Internal Medicine Physician1982991881
- Nicholas Abdelnour, DPMStudent in an Organized Health Care Education/Training Program1902648603
- Gabriella Abraham, DOStudent in an Organized Health Care Education/Training Program1568219889
- Aditya AcharyaStudent in an Organized Health Care Education/Training Program1164368783
- John Adamczak, CRNACertified Registered Nurse Anesthetist1316190242
- Lisa AdamczykPhysical Therapist1861983991
Verify Ryan Callahan McKennon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101016516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average emergency medicine physician in 2024
40 Medicare Part D claims for 25 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Henry Ford Health SystemDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Callahan McKennon among 3,083 emergency medicine physician records in Michigan
Ryan Callahan McKennon, D.O. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 23% of them.
- NPI issued2007 · 23% of these records are older, 67% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2013 among the 1,931 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 emergency medicine physician records list a practice address in Mount Clemens
They are 49 of the 858 NPPES records with a practice address in Mount Clemens, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Mount Clemens → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Glenn Delong, DOMt Clemens, MI 480431013953298
- Patrick Flaherty, DOMount Clemens, MI 480431407066095
- Joe Flynn, DOMount Clemens, MI 480431700945284
- William Halacoglu, DOMt Clemens, MI 480431407898737
- Michael Kitto, DOMt Clemens, MI 480431972547883
- Trevor Kliebert, D.O.Mount Clemens, MI 480431588871271
- James Larkin, DOMt Clemens, MI 480431710921630
- Julie Lata, D.O.Mount Clemens, MI 480431689882854
Common questions
What is Ryan Callahan McKennon, D.O.'s NPI number?
Ryan Callahan McKennon, D.O.'s National Provider Identifier (NPI) is 1972710804, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Callahan McKennon, D.O. located?
The NPPES record lists a practice address at 1000 Harrington St, Mount Clemens, MI, 48043. Phone: (586) 493-8000. Providers update this record themselves, so call before visiting.
How can I verify Ryan Callahan McKennon, D.O.'s license?
NPPES lists Michigan license number 5101016516, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Callahan McKennon, D.O. prescribe under Medicare Part D?
In 2024, Ryan Callahan McKennon, D.O. had 40 Medicare Part D claims for 25 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.