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

Zachary Peter Hamersma, MD

Individual provider Emergency Medicine Physician · NPI 1245725217

Zachary Peter Hamersma, MD is an Emergency Medicine in Ludington, Michigan. Graduated from Michigan State University College of Human Medicine in 2018, 8 years ago. Practices with Ecs Western Michigan PC, a 201-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
8
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Atkinson Dr
Ludington, MI 49431-1906
Phone: (231) 843-2591
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 4301115550 (MI)
Anesthesiology Physician Taxonomy 207L00000X · Licence 4301502785 (MI)

Record details

NPI number1245725217
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2018
Last updated in NPPESJanuary 2, 2026
Certification dateJanuary 2, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2018 (8 years in practice)
Group practice Ecs Western Michigan Pc — 201 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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