Quick answers
- Does Sina Raissi accept Medicare assignment?
- Yes. Medicare's clinician data says Sina Raissi 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 Sina Raissi see?
- In 2024, CMS data shows 359 Original Medicare patients and 1,137 services for Sina Raissi. This counts Original Medicare only and measures volume, not quality.
- What is Sina Raissi's NPI number?
- 1053311662. 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 Sina Raissi, 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 | 359 |
|---|---|
| Services billed to Medicare | 1,137 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)298 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)230 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)98 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)91 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)66 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 disease75%
- Diabetes49%
- Arthritis48%
- Ischemic heart disease48%
Hospitals where Sina Raissi works
Medicare's Facility Affiliation Data lists Sina Raissi 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.
- Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033
- Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
- Saint Mary's HospitalWaterbury, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070016
- Uconn Health Waterbury HospitalWaterbury, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070005
Practice locations
Addresses where Sina Raissi is enrolled with Medicare (CMS data updated October 2, 2026).
- 56 Franklin StWaterbury, CT 06706 (203) 709‑6000
- 850 Straits TpkeMiddlebury, CT 06762 (203) 758‑1800
Group practices
Medicare enrollment lists Sina Raissi as a member of these groups (CMS data updated October 2, 2026).
- Trinity Health of New England Provider Network Organization Inc653 clinicians in the group
- Nephrology and Hypertension Assoc PC5 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Waterbury
Clinicians with the same Medicare primary specialty in Waterbury, CT — not a recommendation.
Other clinicians in Trinity Health of New England Provider Network Organization Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1998 (28 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) | 1053311662 |
| 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