Quick answers
- Does Joachim A. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Joachim A. Sullivan 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 Joachim A. Sullivan see?
- In 2024, CMS data shows 48 Original Medicare patients and 66 services for Joachim A. Sullivan. This counts Original Medicare only and measures volume, not quality.
- What is Joachim A. Sullivan's NPI number?
- 1518150887. 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 Joachim A. Sullivan, 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 | 48 |
|---|---|
| Services billed to Medicare | 66 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth (G0426)20 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%
- Anxiety73%
- Arthritis63%
- Depression63%
- Alzheimer's disease or dementia48%
Hospitals where Joachim A. Sullivan works
Medicare's Facility Affiliation Data lists Joachim A. Sullivan 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 Scott & White Medical Center at IrvingIrving, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450079
- Baylor Scott & White Medical Center GrapevineGrapevine, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450563
- CHI St Joseph Health Regional HospitalBryan, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450011
- Limestone Medical CenterGroesbeck, TX · Critical Access Hospital · Emergency services: listed by Medicare · CCN 451303
Practice locations
Addresses where Joachim A. Sullivan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 24; the Medicare profile lists all.
- 100 Hillcrest Med BlvdeWaco, TX 76712 (254) 202‑5800
- 100 Medical PkwyLakeway, TX 78738 (512) 571‑5000
- 12505 Lebanon RdFrisco, TX 75035 (972) 963‑3333
- 1280 Arrington Rd, Suite 200College Station, TX 77845 (979) 207‑6550
- 140 Hillcrest Medical BlvdWaco, TX 76712 (254) 202‑8330
Group practices
Medicare enrollment lists Joachim A. Sullivan as a member of these groups (CMS data updated October 2, 2026).
- Scott and White Clinic2,461 clinicians in the group
- South Limestone Hospital District19 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Waco
Clinicians with the same Medicare primary specialty in Waco, TX — not a recommendation.
Other clinicians in Scott and White Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas Tech University Health Science Center School Of Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518150887 |
| 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