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

Thomas R Gravelyn, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1760442636

Thomas R Gravelyn, MD is a Sleep Medicine in Ypsilanti, Michigan. Graduated from University of Michigan Medical School in 1981, 45 years ago. Practices with Iha Health Services Corporation, a 1,146-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
45
Trained at
University of Michigan Medical School
Licensed in
MI
In the registry since
2006
Specialties on file
3
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

5333 McAuley Dr Ste 3111
Ypsilanti, MI 48197-1014
Phone: (734) 712-7688
Fax: (734) 712-7056
Show map & directions

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

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 4301044869 (MI)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence TG044869 (MI)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence TG044869 (MI)

Record details

NPI number1760442636
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESMarch 10, 2026
Certification dateMarch 10, 2026
Mailing address24 Frank Lloyd Wright Dr, Po Box 0446 Lobby J, Ann Arbor, MI 48105-9484

Medicare enrollment

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

Medicare specialtySLEEP MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1981 (45 years in practice)
Group practice Iha Health Services Corporation — 1146 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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