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

Keenan L Hacker, DO

Individual provider Emergency Medicine Physician · NPI 1295470623

Keenan L Hacker, DO is an Emergency Medicine in Muskegon, Michigan. Graduated from University of Pikeville, Kentucky College of Osteopathic Med in 2022, 4 years ago. Practices with Lake Michigan Emergency Specialists, PLLC, a 36-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
4
Trained at
University of Pikeville, Kentucky College of Osteopathic Med
Licensed in
MI
In the registry since
2022
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

1675 Leahy St Ste 201
Muskegon, MI 49442-5542
Phone: (231) 672-8289
Show map & directions

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

Additional practice locations (2)

  • 5656 W Us Highway 10, Ludington, MI 49431-2454 — (231) 843-2543
  • 905 E Colby St, Whitehall, MI 49461-1262 — (231) 672-8050

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 5101027749 (MI)

Record details

NPI number1295470623
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 29, 2022
Last updated in NPPESMarch 4, 2025
Certification dateMarch 4, 2025
Mailing address1675 Leahy St Ste 201, Muskegon, MI 49442-5542

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF PIKEVILLE, KENTUCKY COLLEGE OF OSTEOPATHIC MED
Graduated 2022 (4 years in practice)
Group practice Lake Michigan Emergency Specialists, Pllc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Muskegon