Quick answers
- Does Matthew G. Rein accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew G. Rein 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 Matthew G. Rein see?
- In 2024, CMS data shows 237 Original Medicare patients and 624 services for Matthew G. Rein. This counts Original Medicare only and measures volume, not quality.
- What is Matthew G. Rein's NPI number?
- 1134393200. 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 Matthew G. Rein, 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 | 237 |
|---|---|
| Services billed to Medicare | 624 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)132 services
- Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (99153)115 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)106 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)86 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)35 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 cholesterol73%
- High blood pressure65%
- Arthritis40%
- Diabetes26%
- Chronic kidney disease20%
- Depression19%
Hospitals where Matthew G. Rein works
Medicare's Facility Affiliation Data lists Matthew G. Rein 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.
- Duke Regional HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340155
- Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030
Practice locations
Addresses where Matthew G. Rein is enrolled with Medicare (CMS data updated October 2, 2026).
- 249 E Nc Hwy 54, Suite 200Durham, NC 27713 (919) 684‑8111
- 40 Duke Medicine CirDurham, NC 27710 (919) 684‑8111
Group practices
Medicare enrollment lists Matthew G. Rein as a member of this group (CMS data updated October 2, 2026).
- Duke Health Integrated Practice, Inc3,185 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Durham
Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.
Other clinicians in Duke Health Integrated Practice, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 (18 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) | 1134393200 |
| 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