NPPES file of Aug 9, 2026

Thomas R. Gravelyn, M.D.

Sleep Medicine (Internal Medicine) Physician · Ypsilanti, MI

Thomas R. Gravelyn, M.D. is a sleep medicine (internal medicine) physician with a practice address in Ypsilanti, Michigan, and NPI 1760442636, issued on Mar 24, 2006. Check the license (Michigan 4301044869, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1760442636
Name
Thomas R. Gravelyn
Credential
M.D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License numbers
4301044869 MI
TG044869 MI
Self-reported in NPPES; status is on the state search
Practice location
5333 Mcauley Dr, Ypsilanti, MI 48197
Phone
(734) 712-7688
Enumerated
Mar 24, 2006
Record last updated
Mar 10, 2026
Fax
(734) 712-7056
Medicaid ID
423968610 MI
Medicare enrollment
Enrolled (PECOS I20050228000374); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1981
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest sleep medicine (internal medicine) physician records → All 52 in Michigan → Look up another NPI →

Also registered at 5333 Mcauley Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alaa Abu-Mahfouz, MDPhysical Medicine & Rehabilitation Physician1821738642
  2. Ola Al Sous, M.D.Internal Medicine Physician1689985178
  3. Mary Alcini, PTPhysical Therapist1225250327
  4. Anastasios Alexiou, MDNeurology Physician1497707939
  5. Suma Amarnath, M.D.Endocrinology, Diabetes & Metabolism Physician1104001841
  6. Robert Arnold, M.D.Diagnostic Radiology Physician1801097761

Verify Thomas R. Gravelyn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301044869    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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54% more Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

903 Medicare Part D claims for 182 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims. 13 claims were for opioids.

  1. Thomas Gravelyn903
  2. Specialty average585

Most prescribed

  1. Albuterol Sulfate Hfa84 claims
  2. Trelegy Ellipta59 claims
  3. Modafinil58 claims
  4. Stiolto Respimat56 claims
  5. Prednisone53 claims
  6. Spiriva Respimat44 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Iha Health Services CorporationBrighton, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas R. Gravelyn among 52 sleep medicine (internal medicine) physician records in Michigan

Thomas R. Gravelyn, M.D. is one of 52 sleep medicine (internal medicine) physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.

  • NPI issued2006 · 0% of these records are older, 67% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1981 · median 2003 among the 30 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Michigan

There are 52 sleep medicine (internal medicine) physician records in Michigan.

All 52 in Michigan → Every provider in Ypsilanti → Sleep Medicine (Internal Medicine) Physician nationwide →

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Parvathy Nair, M.DYpsilanti, MI 481971124224902
  2. Mohammad Wisam Sakbani, MDYpsilanti, MI 481971689952228
  3. Erick LopezDetroit, MI 482011295354157
  4. Poonam Mishra, M.DDetroit, MI 482011437312337
  5. Khaled Almadhoun, DODetroit, MI 482021710544630
  6. Luisa Bazan, M.D.Detroit, MI 482021891863320
  7. Christopher Drake, PH.D.Detroit, MI 482021083782528
  8. Matthew Floyd, OMS 4Detroit, MI 482021154783850

Common questions

What is Thomas R. Gravelyn, M.D.'s NPI number?

Thomas R. Gravelyn, M.D.'s National Provider Identifier (NPI) is 1760442636, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas R. Gravelyn, M.D. located?

The NPPES record lists a practice address at 5333 Mcauley Dr, Ypsilanti, MI, 48197. Phone: (734) 712-7688. Providers update this record themselves, so call before visiting.

How can I verify Thomas R. Gravelyn, M.D.'s license?

NPPES lists Michigan license number 4301044869, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas R. Gravelyn, M.D. prescribe under Medicare Part D?

In 2024, Thomas R. Gravelyn, M.D. had 903 Medicare Part D claims for 182 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.