Dr. Thomas Gravelyn, M.D.
What this data tells you about Dr. Gravelyn
Dr. Thomas Gravelyn is a critical care medicine specialist in Ypsilanti, MI, with 20 years of NPI registration. Based on federal Medicare data, Dr. Gravelyn performed 708 Medicare services across 682 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gravelyn received a total of $215,640 from 3 pharmaceutical and/or device companies across 302 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in critical care medicine. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Gravelyn is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
161 | $65 | $159 |
| Sleep study with continuous airway pressure, age 6+ A sleep study conducted in a sleep lab that monitors breathing and other body functions while administering continuous airway pressure. This test is performed on patients aged 6 years or older. |
141 | $90 | $253 |
| Sleep study in sleep lab (age 6+) An overnight test conducted in a sleep laboratory to monitor sleep patterns and bodily functions in patients aged 6 years or older. |
82 | $89 | $255 |
| Home sleep test with portable monitor An unattended sleep study performed at home using a portable monitor that records breathing, heart rate, and oxygen levels. |
81 | $30 | $114 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
63 | $94 | $225 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
58 | $115 | $315 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
31 | $97 | $221 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
26 | $138 | $384 |
| Pulmonary gas exchange test A test to examine how well the lungs exchange gases. |
24 | $37 | $130 |
| Expiratory airflow and volume test A test that measures the amount of air you can exhale and the speed at which you can breathe it out. It evaluates lung function by assessing expiratory airflow and volume. |
22 | $18 | $74 |
| Lung volume test using sensors A test that measures the amount of air in the lungs using sensors. |
19 | $39 | $126 |
Industry Payment Transparency
Open Payments through 2021 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2021)
All-time payments by company (2018-2021) ›
Associated products mentioned in payments ›
The majority of payments (100%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in critical care medicine and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 2% for critical care medicine in MI.
Geographic Context
6.2 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2021 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Gravelyn is a clinical cardiology specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 2% of MI peers, with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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