Quick answers
- Does Jason D. Ferreira accept Medicare assignment?
- Yes. Medicare's clinician data says Jason D. Ferreira 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 Jason D. Ferreira see?
- In 2024, CMS data shows 356 Original Medicare patients and 21,801 services for Jason D. Ferreira. This counts Original Medicare only and measures volume, not quality.
- What is Jason D. Ferreira's NPI number?
- 1194952929. 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 Jason D. Ferreira, 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 | 356 |
|---|---|
| Services billed to Medicare | 21,801 |
| Different services or procedures | 74 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, ferric carboxymaltose, 1 mg (J1439)9,000 services
- Injection, vedolizumab, intravenous, 1 mg (J3380)6,600 services
- Injection, infliximab, excludes biosimilar, 10 mg (J1745)1,430 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)125 services
- Biopsy of large bowel using a flexible endoscope (45380)67 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%
- Arthritis50%
- Anxiety39%
- Diabetes35%
- Ischemic heart disease31%
Hospitals where Jason D. Ferreira works
Medicare's Facility Affiliation Data lists Jason D. Ferreira 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.
- Kent County Memorial HospitalWarwick, RI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 410009
- Newport HospitalNewport, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410006
- Rhode Island HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410007
- Roger Williams Medical CenterProvidence, RI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 410004
- The Miriam HospitalProvidence, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410012
Practice locations
Addresses where Jason D. Ferreira is enrolled with Medicare (CMS data updated October 2, 2026).
- 33 Staniford StProvidence, RI 02905 (401) 421‑8800
Group practices
Medicare enrollment lists Jason D. Ferreira as a member of this group (CMS data updated October 2, 2026).
- University Gastroenterology, LLC102 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Providence
Clinicians with the same Medicare primary specialty in Providence, RI — not a recommendation.
Other clinicians in University Gastroenterology, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 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) | 1194952929 |
| 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