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

Dr. Johnathon Toma Markus, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1548521461

Dr. Johnathon Toma Markus, MD is a Gastroenterology in Clinton Twp, Michigan. Graduated from Wayne State University School of Medicine in 2012, 14 years ago. Practices with Tri-County Gastroenterology, PC, an 8-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
14
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2012
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

37399 Garfield Rd Ste 104
Clinton Twp, MI 48036-3672
Phone: (586) 569-3379
Fax: (586) 576-6264
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 4301106661 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1548521461
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2012
Last updated in NPPESApril 23, 2019

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Tri-County Gastroenterology, Pc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Clinton Twp