Quick answers
- Does Shanti I. Powell accept Medicare assignment?
- Yes. Medicare's clinician data says Shanti I. Powell 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 Shanti I. Powell see?
- In 2024, CMS data shows 128 Original Medicare patients and 43,074 services for Shanti I. Powell. This counts Original Medicare only and measures volume, not quality.
- What is Shanti I. Powell's NPI number?
- 1336277383. 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 Shanti I. Powell, 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 | 128 |
|---|---|
| Services billed to Medicare | 43,074 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml (Q9965)25,600 services
- Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg (J7320)15,975 services
- Aspiration and/or injection of fluid from large joint (20610)528 services
- Fluoroscopic guidance for needle placement (77002)526 services
- Injection, ketorolac tromethamine, per 15 mg (J1885)113 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%
- Arthritis75%
- Diabetes38%
- Chronic kidney disease32%
- Ischemic heart disease30%
Practice locations
Addresses where Shanti I. Powell is enrolled with Medicare (CMS data updated October 2, 2026).
- 251 W Medical Ctr BlvdWebster, TX 77598 (281) 603‑9200
- 6700 W Loop S, Suite 225Bellaire, TX 77401 (281) 393‑4121
Group practices
Medicare enrollment lists Shanti I. Powell as a member of this group (CMS data updated October 2, 2026).
- Galleria Pain Physicians PLLC9 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Webster
Clinicians with the same Medicare primary specialty in Webster, TX — not a recommendation.
Other clinicians in Galleria Pain Physicians PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1971 (55 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336277383 |
| 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
- 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