Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Hoang M. Thai, MD

Works at hospitals in Tucson, AZ · Sahuarita, AZ · Oro Valley, AZ · Arizona

Summary

Dr. Hoang M. Thai, MD is a cardiologist at 1521 E Tangerine Rd, Suite 255, Oro Valley, AZ 85755. Phone: (520) 797-8550. Accepts Medicare assignment. In 2024, Hoang M. Thai had 1,020 Original Medicare patients and 2,664 services. NPI 1811924640. 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 Hoang M. Thai, 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 Hoang M. Thai accept Medicare assignment?
Yes. Medicare's clinician data says Hoang M. Thai 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 Hoang M. Thai see?
In 2024, CMS data shows 1,020 Original Medicare patients and 2,664 services for Hoang M. Thai. This counts Original Medicare only and measures volume, not quality.
What is Hoang M. Thai's NPI number?
1811924640. 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 Hoang M. Thai, 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 patients1,020
Services billed to Medicare2,664
Different services or procedures50
Participating Medicare providerYes
Average age of these patients77

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)969 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)531 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)243 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)141 services
  5. Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (93458)82 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 disease53%
  • Arthritis50%
  • Atrial fibrillation39%
  • Chronic kidney disease36%

Hospitals where Hoang M. Thai works

Medicare's Facility Affiliation Data lists Hoang M. Thai 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.

  • Northwest Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030085
  • Northwest Medical Center SahuaritaSahuarita, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030148
  • Oro Valley HospitalOro Valley, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030114
  • Tucson Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030006

Practice locations

Addresses where Hoang M. Thai is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Hoang M. Thai as a member of this group (CMS data updated October 2, 2026).

  • Northwest Allied Physicians LLC120 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Arizona →

Other cardiologists in Oro Valley

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

All cardiologists in Oro Valley →

Other clinicians in Northwest Allied Physicians LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811924640
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