Quick answers
- Does Syed M. Rizvi accept Medicare assignment?
- Yes. Medicare's clinician data says Syed M. Rizvi 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 Syed M. Rizvi see?
- In 2024, CMS data shows 497 Original Medicare patients and 1,144 services for Syed M. Rizvi. This counts Original Medicare only and measures volume, not quality.
- What is Syed M. Rizvi's NPI number?
- 1528175619. 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 Syed M. Rizvi, 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 | 497 |
|---|---|
| Services billed to Medicare | 1,144 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)134 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)129 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)114 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)103 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)96 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%
- Arthritis56%
- Ischemic heart disease52%
- Diabetes47%
- Chronic kidney disease38%
Hospitals where Syed M. Rizvi works
Medicare's Facility Affiliation Data lists Syed M. Rizvi 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.
- Oklahoma Heart Hospital South, LLCOklahoma City, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370234
- Oklahoma Heart Hospital, LLCOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370215
- SSM Health St Anthony Hospital - Oklahoma CityOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370037
- SSM Health St Anthony Hospital - ShawneeShawnee, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370149
Practice locations
Addresses where Syed M. Rizvi is enrolled with Medicare (CMS data updated October 2, 2026).
- 201 S Sara RdMustang, OK 73064 (405) 578‑3250
- 3509 NW 173rd CirEdmond, OK 73012 (405) 796‑8367
- 535 NW, 9th Suite 235Okahoma City, OK 73102 (405) 772‑4338
Group practices
Medicare enrollment lists Syed M. Rizvi as a member of this group (CMS data updated October 2, 2026).
- Saints Medical Group, LLC435 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Other clinicians in Saints Medical Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528175619 |
| 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