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

John W Hamersma, MD

Individual provider Family Medicine Physician · NPI 1033108329

John W Hamersma, MD is a Family Practice in Wyoming, Michigan. Graduated from Michigan State University College of Human Medicine in 1999, 27 years ago. Practices with Grand Valley Medical Specialists PLC, a 19-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
27
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2093 Health Dr SW Ste 200
Wyoming, MI 49519
Phone: (616) 459-3158
Fax: (616) 819-2222
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 4301074575 (MI)

Record details

NPI number1033108329
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 19, 2005
Last updated in NPPESJune 21, 2016
Mailing address1900 Wealthy St Se Ste 150, Grand Rapids, MI 49506-2969

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 1999 (27 years in practice)
Group practice Grand Valley Medical Specialists Plc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Wyoming