John Allen Key, DO
Cardiovascular Disease Physician · Wyoming, MI
John Allen Key, DO is a cardiovascular disease physician with a practice address in Wyoming, Michigan, and NPI 1134103732, issued on Dec 6, 2005. Check the license (Michigan 5101010722, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John Allen Key
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 5101010722 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5900 Byron Center Ave SW, Wyoming, MI 49519
- Phone
- (616) 241-2333
- Enumerated
- Dec 6, 2005
- Record last updated
- Feb 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (616) 452-6767
- Medicaid ID
- 4139205 MI
- Medicare enrollment
- Enrolled (PECOS I20070614000624); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1989
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 860 in Michigan → Look up another NPI →
Also registered at 5900 Byron Center Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nichole Accetta, NPPsychiatric/Mental Health Nurse Practitioner1093111734
- Jacob Ackermann, DOStudent in an Organized Health Care Education/Training Program1376391870
- Abigail AdamsRegistered Dietitian1215574553
- Marc Afman, DOEmergency Medical Services (Emergency Medicine) Physician1700844511
- Maria Alfonso, PT, DPTPhysical Therapist1265935613
- Sarah AliStudent in an Organized Health Care Education/Training Program1437094828
Verify John Allen Key in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101010722Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,861 Medicare Part D claims for 526 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate338 claims
- Eliquis261 claims
- Atorvastatin Calcium225 claims
- Losartan Potassium191 claims
- Rosuvastatin Calcium190 claims
- Amlodipine Besylate173 claims
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
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Allen Key among 860 cardiovascular disease physician records in Michigan
John Allen Key, DO is one of 860 cardiovascular disease physician records with a practice address in Michigan. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1989 · median 1999 among the 606 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Michigan
There are 860 cardiovascular disease physician records in Michigan.
All 860 in Michigan → Every provider in Wyoming → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Soheil Assar, DOWyoming, MI 495191679782254
- Larry Diaz, MDWyoming, MI 495191952301038
- Gunjan Gholkar, M.DWyoming, MI 495191386922003
- Rony Gorges, M.D.Wyoming, MI 495191881827095
- Barbara Karenko, DOWyoming, MI 495191447471636
- Paul Kovack, D.O.Wyoming, MI 495191245221621
- Ali Saab, D.O.Wyoming, MI 495191932341294
- Matthew SevensmaWyoming, MI 495191255312302
Common questions
What is John Allen Key, DO's NPI number?
John Allen Key, DO's National Provider Identifier (NPI) is 1134103732, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Allen Key, DO located?
The NPPES record lists a practice address at 5900 Byron Center Ave SW, Wyoming, MI, 49519. Phone: (616) 241-2333. Providers update this record themselves, so call before visiting.
How can I verify John Allen Key, DO's license?
NPPES lists Michigan license number 5101010722, 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 John Allen Key, DO prescribe under Medicare Part D?
In 2024, John Allen Key, DO had 2,861 Medicare Part D claims for 526 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.