Quick answers
- Does Alison H. Sibley accept Medicare assignment?
- Yes. Medicare's clinician data says Alison H. Sibley 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 Alison H. Sibley see?
- In 2024, CMS data shows 199 Original Medicare patients and 1,748 services for Alison H. Sibley. This counts Original Medicare only and measures volume, not quality.
- What is Alison H. Sibley's NPI number?
- 1790798858. 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 Alison H. Sibley, 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 | 199 |
|---|---|
| Services billed to Medicare | 1,748 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)299 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)285 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)177 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)165 services
- Admn sarscov2 vacc 1 dose (90480)84 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 cholesterol75%
- High blood pressure63%
- Arthritis52%
- Osteoporosis48%
- Ischemic heart disease45%
- Depression30%
Hospitals where Alison H. Sibley works
Medicare's Facility Affiliation Data lists Alison H. Sibley 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.
- Baylor University Medical CenterDallas, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450021
- Hunt Regional Medical CenterGreenville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450352
- Texas Health Presbyterian Hospital DallasDallas, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450462
Practice locations
Addresses where Alison H. Sibley is enrolled with Medicare (CMS data updated October 2, 2026).
- 3417 Gaston Ave, Suite 700Dallas, TX 75246 (241) 823‑4800
- 440 W, 635 Suite 405Irving, TX 75063 (972) 993‑5080
- 8222 Douglas Ave, Suite 600Dallas, TX 75225 (972) 993‑5040
Group practices
Medicare enrollment lists Alison H. Sibley as a member of this group (CMS data updated October 2, 2026).
- Abksw Preferred Health Partners, PLLC49 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Other clinicians in Abksw Preferred Health Partners, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790798858 |
| 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