THOMAS R GRAVELYN M.D.
NPI 1760442636
Internal Medicine - Sleep Medicine in Ypsilanti, MI

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
5333 MCAULEY DR, SUITE 3111, YPSILANTI, MI 48197(734) 712-7688(734) 712-7056 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Thomas R Gravelyn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS R GRAVELYN M.D. (NPI 1760442636) is an individual sleep medicine provider in Ypsilanti, Michigan, licensed in Michigan (4301044869) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Joseph Mercy Livingston Hospital, and is a graduate of University Of Michigan Medical School (1981).

NPPES Registry Identity

NPI1760442636
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameTHOMAS R GRAVELYNCredential: M.D.
Location Address5333 MCAULEY DR, SUITE 3111Ypsilanti, MI 48197-1014
Mailing Address24 Frank Lloyd Wright Dr, Po Box 0446 Lobby JAnn Arbor, MI 48105-9484 · (734) 747-6766 · Fax (734) 222-3100
Fax(734) 712-7056
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1981
Enumeration DateMarch 24, 2006
Last NPPES UpdateMarch 10, 2026
NPPES CertifiedMarch 10, 2026
NPI 1760442636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License Licensed in MI · 4301044869
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License TG044869 (MI)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License TG044869 (MI)
5333 MCAULEY DR, Ypsilanti, MI 48197

Other Identifiers 1

Medicaid423968610MI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thomas R Gravelyn M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395657886
PECOS Enrollment IDI20050228000374
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation G0399
A Home Sleep Test (HST) with a Type III Portable Monitor is an unattended test that records your breathing, heart rate, and oxygen levels during sleep. This test uses a minimum of 4 channels to monitor these parameters, helping to diagnose sleep disorders.
170 services170 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
129 services127 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
105 services101 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
54 services53 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
54 services49 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
47 services47 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Joseph Mercy Livingston Hospital

Acute Care Hospitals · Howell, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230069
Location620 Byron RdHowell, MI 48843 · Livingston County
Emergency services

Trinity Health Ann Arbor Hospital

Acute Care Hospitals · Ann Arbor, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230156
Location5301 E Huron River DrAnn Arbor, MI 48106 · Washtenaw County
Emergency services Birthing friendly

Chelsea Hospital

Acute Care Hospitals · Chelsea, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230259
Location775 S Main StChelsea, MI 48118 · Washtenaw County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 27

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
22 suppliers260 claims261 services$33.71 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
2 suppliers11 claims21 services$1.21 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
23 suppliers220 claims220 services$77.52 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
21 suppliers203 claims459 services$30.64 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
19 suppliers97 claims480 services$15.61 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
14 suppliers91 claims454 services$13.56 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Registered Nurse (Women's Health Care, Ambulatory)
5333 MCAULEY DR, RHB 2110
YPSILANTI, MI 48197
Internal Medicine (Addiction Medicine)
5333 MCAULEY DR, SUITE 3111
YPSILANTI, MI 48197
Radiology (Vascular & Interventional Radiology)
5333 MCAULEY DR, SUITE 6016
YPSILANTI, MI 48197
Internal Medicine
5333 MCAULEY DR, SUITE 4001
YPSILANTI, MI 48197
Radiology (Diagnostic Radiology)
5333 MCAULEY DR, SUITE 6016
YPSILANTI, MI 48197
Nurse Practitioner (Adult Health)
5333 MCAULEY DR, SUITE 4106
YPSILANTI, MI 48197
Psychiatry & Neurology (Neurology)
5333 MCAULEY DR, STE 6109
YPSILANTI, MI 48197
Student in an Organized Health Care Education/Training Program
5333 MCAULEY DR
YPSILANTI, MI 48197

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Gravelyn's NPI number?

The NPI number for Thomas Gravelyn is 1760442636. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Thomas Gravelyn located?

Thomas Gravelyn practices at 5333 Mcauley Dr Suite 3111, Ypsilanti, MI 48197. The listed phone number is (734) 712-7688.

What is Thomas Gravelyn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Thomas Gravelyn enrolled in Medicare?

Yes. Thomas Gravelyn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas Gravelyn accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and Providence Health Plan list Thomas Gravelyn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thomas Gravelyn affiliated with any hospitals?

According to CMS data, Thomas Gravelyn is affiliated with Saint Joseph Mercy Livingston Hospital, Trinity Health Ann Arbor Hospital and Chelsea Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Gravelyn was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.