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Interventional Cardiology

Rebecca C. Chester, MD

Works at hospitals in Phoenix, AZ · Scottsdale, AZ · Arizona

Summary

Dr. Rebecca C. Chester, MD is an interventional cardiologist at 3099 N Civic Ctr Plz, Scottsdale, AZ 85251. Phone: (480) 945-3535. Accepts Medicare assignment. In 2024, Rebecca C. Chester had 774 Original Medicare patients and 2,814 services. NPI 1518200658. 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 Rebecca C. Chester, 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 Rebecca C. Chester accept Medicare assignment?
Yes. Medicare's clinician data says Rebecca C. Chester 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 Rebecca C. Chester see?
In 2024, CMS data shows 774 Original Medicare patients and 2,814 services for Rebecca C. Chester. This counts Original Medicare only and measures volume, not quality.
What is Rebecca C. Chester's NPI number?
1518200658. 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 Rebecca C. Chester, 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 patients774
Services billed to Medicare2,814
Different services or procedures63
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)693 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)314 services
  3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)237 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)211 services
  5. Injection, regadenoson, 0.1 mg (J2785)172 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%
  • Ischemic heart disease61%
  • Arthritis53%
  • Atrial fibrillation40%
  • Heart failure34%

Hospitals where Rebecca C. Chester works

Medicare's Facility Affiliation Data lists Rebecca C. Chester 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.

Practice locations

Addresses where Rebecca C. Chester is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rebecca C. Chester as a member of this group (CMS data updated October 2, 2026).

  • HonorHealth Ambulatory630 clinicians in the group

Specialties

Find other Interventional Cardiology doctors in Arizona →

Other interventional cardiologists in Scottsdale

Clinicians with the same Medicare primary specialty in Scottsdale, AZ — not a recommendation.

All interventional cardiologists in Scottsdale →

Other clinicians in HonorHealth Ambulatory

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1518200658
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