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

Individual provider Emergency Medicine Physician · NPI 1609223767

Mark D Lettinga, MD is an Emergency Medicine in Grand Rapids, Michigan. Graduated from University of Michigan Medical School in 2016, 10 years ago. Practices with Ecs Western Michigan PC, a 201-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
10
Trained at
University of Michigan Medical School
Licensed in
MI
In the registry since
2016
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

100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone: (616) 391-1774
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4100 Embassy Dr Se, Grand Rapids, MI 49546-2416 — (616) 988-8220

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 4301507954 (MI)

Record details

NPI number1609223767
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2016
Last updated in NPPESMay 9, 2024
Certification dateMay 9, 2024
Mailing address4100 Embassy Dr Se Ste 400, Grand Rapids, MI 49546-2416

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2016 (10 years in practice)
Group practice Ecs Western Michigan Pc — 201 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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