Quick answers
- Does Shaun S. Grewal accept Medicare assignment?
- Yes. Medicare's clinician data says Shaun S. Grewal 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 Shaun S. Grewal see?
- In 2024, CMS data shows 1,222 Original Medicare patients and 20,414 services for Shaun S. Grewal. This counts Original Medicare only and measures volume, not quality.
- What is Shaun S. Grewal's NPI number?
- 1972764496. 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 Shaun S. Grewal, 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 | 1,222 |
|---|---|
| Services billed to Medicare | 20,414 |
| Different services or procedures | 141 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, testosterone cypionate, 1 mg (J1071)10,195 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)1,578 services
- Injection, heparin sodium, per 1000 units (J1644)1,040 services
- Automated urinalysis test (81003)780 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)483 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 cholesterol74%
- Arthritis49%
- Ischemic heart disease37%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)35%
- Diabetes34%
Hospitals where Shaun S. Grewal works
Medicare's Facility Affiliation Data lists Shaun S. Grewal 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.
- Ascension St John Broken ArrowBroken Arrow, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370235
- Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370114
- Mercy Hospital Fort SmithFort Smith, AR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 040062
- Oklahoma Surgical Hospital, LLCTulsa, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370210
- St John OwassoOwasso, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370227
Practice locations
Addresses where Shaun S. Grewal is enrolled with Medicare (CMS data updated October 2, 2026).
- 10901 E 48th StTulsa, OK 74146 (918) 749‑8765
- 6801 Rogers Ave, Suite 202Fort Smith, AR 72903 (918) 749‑8765
Group practices
Medicare enrollment lists Shaun S. Grewal as a member of this group (CMS data updated October 2, 2026).
- Urologic Specialists of Oklahoma Inc47 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Other clinicians in Urologic Specialists of Oklahoma Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972764496 |
| 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