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

Timothy J Cook, DO

Individual provider Emergency Medicine Physician · NPI 1902286248

Timothy J Cook, DO is an Emergency Medicine in Muskegon, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 2015, 11 years ago. Practices with Lake Michigan Observation Services PLLC, a 32-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
11
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2015
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.

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Practice location Address checks out

1700 Clinton St
Muskegon, MI 49442-5502
Phone: (231) 728-4936
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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 5101019510 (MI)

Record details

NPI number1902286248
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 2, 2015
Last updated in NPPESSeptember 13, 2018
Mailing address1675 Leahy St, Suite 315a, Muskegon, MI 49442-5500

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2015 (11 years in practice)
Group practice Lake Michigan Observation Services Pllc — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Muskegon