Quick answers
- Does Elizabeth H. Sebestyen accept Medicare assignment?
- Yes. Medicare's clinician data says Elizabeth H. Sebestyen 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 Elizabeth H. Sebestyen see?
- In 2024, CMS data shows 38 Original Medicare patients and 147 services for Elizabeth H. Sebestyen. This counts Original Medicare only and measures volume, not quality.
- What is Elizabeth H. Sebestyen's NPI number?
- 1407891542. 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 Elizabeth H. Sebestyen, 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 | 38 |
|---|---|
| Services billed to Medicare | 147 |
| Different services or procedures | 18 |
| 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)38 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)31 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)21 services
- Annual depression screening, 5 to 15 minutes (G0444)18 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 pressure61%
- Arthritis42%
- Ischemic heart disease32%
Practice locations
Addresses where Elizabeth H. Sebestyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1601 E 19th Ave, Suite 6000Denver, CO 80218 (303) 861‑7001
Group practices
Medicare enrollment lists Elizabeth H. Sebestyen as a member of this group (CMS data updated October 2, 2026).
- HealthONE Clinic Services - Primary Care LLC45 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Denver
Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.
Other clinicians in HealthONE Clinic Services - Primary Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 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) | 1407891542 |
| 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