Quick answers
- Does Gregory Gafni Pappas accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Gafni Pappas 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 Gregory Gafni Pappas see?
- In 2024, CMS data shows 211 Original Medicare patients and 325 services for Gregory Gafni Pappas. This counts Original Medicare only and measures volume, not quality.
- What is Gregory Gafni Pappas's NPI number?
- 1881890440. 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 Gregory Gafni Pappas, 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 | 211 |
|---|---|
| Services billed to Medicare | 325 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)112 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)53 services
- Emergency department visit with moderate level of medical decision making (99284)34 services
- Critical care, first 30-74 minutes (99291)24 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)19 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 pressure73%
- High cholesterol73%
- Arthritis57%
- Ischemic heart disease42%
- Chronic kidney disease39%
- Anxiety38%
Hospitals where Gregory Gafni Pappas works
Medicare's Facility Affiliation Data lists Gregory Gafni Pappas 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.
- Chelsea HospitalChelsea, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230259
Practice locations
Addresses where Gregory Gafni Pappas is enrolled with Medicare (CMS data updated October 2, 2026).
- 5301 McAuley DrYpsilanti, MI 48197 (954) 939‑5000
- 775 S Main StChelsea, MI 48118 (954) 939‑5000
Group practices
Medicare enrollment lists Gregory Gafni Pappas as a member of this group (CMS data updated October 2, 2026).
- Epmg of Michigan PC113 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Ypsilanti
Clinicians with the same Medicare primary specialty in Ypsilanti, MI — not a recommendation.
Other clinicians in Epmg of Michigan PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881890440 |
| 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