Quick answers
- Does Matthew F. Feller accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew F. Feller 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 F. Feller see?
- In 2024, CMS data shows 231 Original Medicare patients and 380 services for Matthew F. Feller. This counts Original Medicare only and measures volume, not quality.
- What is Matthew F. Feller's NPI number?
- 1659323970. 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 F. Feller, 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 | 231 |
|---|---|
| Services billed to Medicare | 380 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)149 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)72 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)38 services
- Emergency department visit with moderate level of medical decision making (99284)35 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)13 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 cholesterol75%
- Chronic kidney disease44%
- Arthritis43%
- Anxiety40%
- Diabetes39%
Hospitals where Matthew F. Feller works
Medicare's Facility Affiliation Data lists Matthew F. Feller 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.
- Nathan Littauer HospitalGloversville, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330276
- Oswego HospitalOswego, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330218
Practice locations
Addresses where Matthew F. Feller is enrolled with Medicare (CMS data updated October 2, 2026).
- 3045 E AveCentral Square, NY 13036 (315) 668‑5240
- 99 E State StGloversville, NY 12078 (518) 773‑5780
Group practices
Medicare enrollment lists Matthew F. Feller as a member of these groups (CMS data updated October 2, 2026).
- Port City Emergency Physicians LLP46 clinicians in the group
- Gloversville Emergency Medicine Services PC16 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Port City Emergency Physicians LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659323970 |
| 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