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Interventional Radiology

Alex P. Pallas, DO

Works at hospitals in Pahrump, NV · Chico, CA · Sparks, NV … · Nevada, California

Summary

Dr. Alex P. Pallas, DO is an interventional radiologist at 1140 40th St, Sacramento, CA 95819. Phone: (480) 306-6949. Accepts Medicare assignment. In 2024, Alex P. Pallas had 5,589 Original Medicare patients and 8,069 services. NPI 1235455262. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Alex P. Pallas, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alex P. Pallas accept Medicare assignment?
Yes. Medicare's clinician data says Alex P. Pallas 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 Alex P. Pallas see?
In 2024, CMS data shows 5,589 Original Medicare patients and 8,069 services for Alex P. Pallas. This counts Original Medicare only and measures volume, not quality.
What is Alex P. Pallas's NPI number?
1235455262. 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 Alex P. Pallas, 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 patients5,589
Services billed to Medicare8,069
Different services or procedures180
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of chest, 1 view (71045)1,492 services
  2. X-ray of chest, 2 views (71046)707 services
  3. Ct scan head or brain without contrast (70450)386 services
  4. X-ray of hip, 2-3 views (73502)262 services
  5. Ultrasound of both sides of head and neck blood flow (93880)257 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%
  • Arthritis52%
  • Diabetes37%
  • Ischemic heart disease33%
  • Anxiety33%

Hospitals where Alex P. Pallas works

Medicare's Facility Affiliation Data lists Alex P. Pallas 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.

  • Desert View HospitalPahrump, NV · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 291311
  • Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039
  • Northern Nevada Medical CenterSparks, NV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 290032
  • Oroville HospitalOroville, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050030
  • Valley Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290021

Practice locations

Addresses where Alex P. Pallas is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Alex P. Pallas as a member of these groups (CMS data updated October 2, 2026).

  • Smi Imaging LLC384 clinicians in the group
  • Enloe Medical Center333 clinicians in the group
  • Simonmed Imaging Florida LLC317 clinicians in the group
  • Health Diagnostics of California a Professional Corporation183 clinicians in the group
  • Universal Radiology Partners of Nevada LLC76 clinicians in the group

Specialties

Find other Interventional Radiology doctors in California →

Other interventional radiologists in Sacramento

Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.

All interventional radiologists in Sacramento →

Other clinicians in Smi Imaging LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235455262
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians