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

Gregory A Schrotenboer, MD

Individual provider Internal Medicine Physician · NPI 1326155904

Gregory A Schrotenboer, MD is an Internal Medicine in Holland, Michigan. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1995, 31 years ago. Practices with Lakeshore Internal Medicine and Pediatric Associates, a 4-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
31
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
MI
In the registry since
2006
Specialties on file
2
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

437 N 120th Ave
Holland, MI 49424
Phone: (616) 738-0737
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

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 4301066494 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301066494 (MI)

Record details

NPI number1326155904
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Lakeshore Internal Medicine And Pediatric Associates — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Holland