Quick answers
- Does Marvin M. Singh accept Medicare assignment?
- Yes. Medicare's clinician data says Marvin M. Singh 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 Marvin M. Singh see?
- In 2024, CMS data shows 87 Original Medicare patients and 218 services for Marvin M. Singh. This counts Original Medicare only and measures volume, not quality.
- What is Marvin M. Singh's NPI number?
- 1306968417. 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 Marvin M. Singh, 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 | 87 |
|---|---|
| Services billed to Medicare | 218 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)35 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)31 services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)23 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)20 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 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 cholesterol74%
- High blood pressure69%
- Arthritis51%
- Anxiety39%
- Diabetes38%
- Depression37%
Hospitals where Marvin M. Singh works
Medicare's Facility Affiliation Data lists Marvin M. Singh 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.
- Rochester General HospitalRochester, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330125
- Unity HospitalRochester, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330226
Practice locations
Addresses where Marvin M. Singh is enrolled with Medicare (CMS data updated October 2, 2026).
- 103 Canal Landing Blvd, Suite 12Rochester, NY 14626 (585) 227‑1080
- 20 Hagen Dr, Suite 330Rochester, NY 14625 (585) 267‑4040
Group practices
Medicare enrollment lists Marvin M. Singh as a member of these groups (CMS data updated October 2, 2026).
- Gastrointestinal Care of Long Island PLLC183 clinicians in the group
- Rochester Gastroenterology Associates10 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Rochester
Clinicians with the same Medicare primary specialty in Rochester, NY — not a recommendation.
Other clinicians in Gastrointestinal Care of Long Island PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306968417 |
| 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