Quick answers
- Does Wanwisa Y. Trombley accept Medicare assignment?
- Yes. Medicare's clinician data says Wanwisa Y. Trombley 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 Wanwisa Y. Trombley see?
- In 2024, CMS data shows 40 Original Medicare patients and 118 services for Wanwisa Y. Trombley. This counts Original Medicare only and measures volume, not quality.
- What is Wanwisa Y. Trombley's NPI number?
- 1780621094. 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 Wanwisa Y. Trombley, 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 | 40 |
|---|---|
| Services billed to Medicare | 118 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)18 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 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 cholesterol73%
- High blood pressure60%
- Arthritis50%
Practice locations
Addresses where Wanwisa Y. Trombley is enrolled with Medicare (CMS data updated October 2, 2026).
- 14856 Preston Rd, Suite 100Dallas, TX 75254 (972) 387‑8900
- 2520 W I, Suite 20Grand Prairie, TX 75052 (972) 264‑5858
- 377 W Campbell Rd, Suite 100Richardson, TX 75080 (469) 232‑2945
- 4501 Lemmon AveDallas, TX 75219 (469) 672‑4238
Group practices
Medicare enrollment lists Wanwisa Y. Trombley as a member of this group (CMS data updated October 2, 2026).
- Primary Health Physicians PLLC239 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Other clinicians in Primary Health Physicians PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780621094 |
| 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