Quick answers
- Does Tammie W. Powell accept Medicare assignment?
- Yes. Medicare's clinician data says Tammie W. 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 Tammie W. Powell see?
- In 2024, CMS data shows 506 Original Medicare patients and 1,287 services for Tammie W. Powell. This counts Original Medicare only and measures volume, not quality.
- What is Tammie W. Powell's NPI number?
- 1679622294. 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 Tammie W. 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 | 506 |
|---|---|
| Services billed to Medicare | 1,287 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)302 services
- Removal of impacted ear wax (69210)246 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)242 services
- Diagnostic exam of nasal passages using an endoscope (31231)76 services
- Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing (G0268)55 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%
- Arthritis53%
- Ischemic heart disease38%
- Diabetes31%
- Chronic kidney disease27%
Hospitals where Tammie W. Powell works
Medicare's Facility Affiliation Data lists Tammie W. Powell 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.
- HCA Houston Healthcare KingwoodKingwood, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450775
- Houston Methodist Cypress HospitalCypress, TX · Acute Care Hospital · CCN 670342
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
Practice locations
Addresses where Tammie W. Powell is enrolled with Medicare (CMS data updated October 2, 2026).
- 7900 Fannin St, Suite 1900Houston, TX 77054 (713) 791‑9363
- 9301 Pinecroft Dr, Suite 150Shenandoah, TX 77380 (281) 362‑1368
Group practices
Medicare enrollment lists Tammie W. Powell as a member of this group (CMS data updated October 2, 2026).
- Texas Ear, Nose and Throat Specialists, PLLC128 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Texas Ear, Nose and Throat Specialists, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679622294 |
| 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