Quick answers
- Does Gregory J. Collins Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Collins Jr. 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 J. Collins Jr. see?
- In 2024, CMS data shows 165 Original Medicare patients and 259 services for Gregory J. Collins Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Gregory J. Collins Jr.'s NPI number?
- 1740244672. 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 J. Collins Jr., 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 | 165 |
|---|---|
| Services billed to Medicare | 259 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)103 services
- Emergency department visit with high level of medical decision making (99285)69 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)31 services
- Emergency department visit with moderate level of medical decision making (99284)26 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 cholesterol72%
- Arthritis48%
- Ischemic heart disease40%
- COPD40%
- Chronic kidney disease39%
Hospitals where Gregory J. Collins Jr. works
Medicare's Facility Affiliation Data lists Gregory J. Collins Jr. 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.
- Wyoming CountyWarsaw, NY · Critical Access Hospital · Emergency services: listed by Medicare · CCN 331323
Practice locations
Addresses where Gregory J. Collins Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 34 N Main StWarsaw, NY 14569 (585) 786‑0220
- 400 N Main StWarsaw, NY 14569 (585) 786‑8940
Group practices
Medicare enrollment lists Gregory J. Collins Jr. as a member of these groups (CMS data updated October 2, 2026).
- University Emergency Medical Services Inc.95 clinicians in the group
- Wyoming County39 clinicians in the group
- Erie County South East Corp V24 clinicians in the group
Specialties
- Emergency Medicineprimary
- Family Practicealso
Other emergency medicine doctors in Warsaw
Clinicians with the same Medicare primary specialty in Warsaw, NY — not a recommendation.
Other clinicians in University Emergency Medical Services Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740244672 |
| 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