Quick answers
- Does Pantelis Hadjizacharia accept Medicare assignment?
- Yes. Medicare's clinician data says Pantelis Hadjizacharia 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 Pantelis Hadjizacharia see?
- In 2024, CMS data shows 675 Original Medicare patients and 2,126 services for Pantelis Hadjizacharia. This counts Original Medicare only and measures volume, not quality.
- What is Pantelis Hadjizacharia's NPI number?
- 1043472400. 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 Pantelis Hadjizacharia, 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 | 675 |
|---|---|
| Services billed to Medicare | 2,126 |
| Different services or procedures | 83 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)514 services
- Ultrasound study of arm and leg arteries (93922)300 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)216 services
- Ultrasound of both sides of head and neck blood flow (93880)213 services
- Ultrasound of leg arteries or artery grafts (93925)138 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%
- Arthritis54%
- Ischemic heart disease45%
- Diabetes41%
- Chronic kidney disease37%
Hospitals where Pantelis Hadjizacharia works
Medicare's Facility Affiliation Data lists Pantelis Hadjizacharia 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.
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270012
- Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027
- Great Falls Clinic HospitalGreat Falls, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270086
- Yuma Regional Medical CenterYuma, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030013
Practice locations
Addresses where Pantelis Hadjizacharia is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Erie Pkwy, Suite 201gErie, CO 80516 (303) 443‑2123
- 2400 S Ave AYuma, AZ 85364 (928) 344‑2000
- 3000 15th Ave SGreat Falls, MT 59405 (406) 454‑2171
- 4743 Arapahoe Ave, Suite 100Boulder, CO 80303 (303) 443‑2123
Group practices
Medicare enrollment lists Pantelis Hadjizacharia as a member of these groups (CMS data updated October 2, 2026).
- Yuma Regional Medical Center361 clinicians in the group
- Boulder Community Health264 clinicians in the group
- Great Falls Clinic LLC72 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Other clinicians in Yuma Regional Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043472400 |
| 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