Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Allen Key, DO

Individual provider Cardiovascular Disease Physician · NPI 1134103732

Dr. John Allen Key, DO is a Cardiovascular Disease (Cardiology) in Wyoming, Michigan. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1989, 37 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
37
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
MI
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

5900 Byron Center Ave SW
Wyoming, MI 49519-9606
Phone: (616) 241-2333
Fax: (616) 452-6767
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 5101010722 (MI)

Record details

NPI number1134103732
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESFebruary 25, 2021
Certification dateFebruary 25, 2021
Mailing address5900 Byron Center Ave Sw, Attn: Medical Administration, Wyoming, MI 49519-9606

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1989 (37 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations23 on file with Medicare

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