Quick answers
- Does Terrance W. Barnes accept Medicare assignment?
- Yes. Medicare's clinician data says Terrance W. Barnes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Terrance W. Barnes see?
- In 2024, CMS data shows 347 Original Medicare patients and 998 services for Terrance W. Barnes. This counts Original Medicare only and measures volume, not quality.
- What is Terrance W. Barnes's NPI number?
- 1891735981. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Terrance W. Barnes, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 347 |
|---|---|
| Services billed to Medicare | 998 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)226 services
- Test to examine how well the lungs exchange gases (94729)203 services
- Test to measure expiratory airflow and volume changes before and after medication administration (94060)114 services
- Test to measure expiratory airflow and volume (94010)101 services
- Test to determine lung volumes using sensors (94726)96 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol71%
- COPD53%
- Arthritis46%
- Ischemic heart disease36%
- Heart failure34%
Hospitals where Terrance W. Barnes works
Medicare's Facility Affiliation Data lists Terrance W. Barnes at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- University of Michigan Health - WestWyoming, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230236
Practice locations
Addresses where Terrance W. Barnes is enrolled with Medicare (CMS data updated October 2, 2026).
- 2122 Health Dr SW, Metro Health Infectious DiseaseWyoming, MI 49519 (616) 252‑6050
Group practices
Medicare enrollment lists Terrance W. Barnes as a member of this group (CMS data updated October 2, 2026).
- Metropolitan Hospital415 clinicians in the group
Specialties
Other pulmonologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in Metropolitan Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891735981 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians