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Cardiac Surgery

Armin Kiankhooy

Works at hospitals in Pasadena, CA · California

Summary

Armin Kiankhooy is a cardiac surgeon at 10 Congress St, Suite 210, Pasadena, CA 91105. Phone: (310) 423-1153. Accepts Medicare assignment. In 2024, Armin Kiankhooy had 91 Original Medicare patients and 141 services. NPI 1225156482. 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.

  • Specialty: Cardiac surgeon (Medicare lists Cardiac Surgery)
  • Address: 10 Congress St, Suite 210, Pasadena, CA 91105 · Directions
  • Phone: (310) 423‑1153
  • Medicare: Accepts Medicare assignment
  • Hospital: Huntington Hospital
  • Group practice: Cedars-Sinai Medical Care Foundation
  • Medical school: University Of Minnesota Medical School · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Armin Kiankhooy, 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 Armin Kiankhooy accept Medicare assignment?
Yes. Medicare's clinician data says Armin Kiankhooy 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 Armin Kiankhooy see?
In 2024, CMS data shows 91 Original Medicare patients and 141 services for Armin Kiankhooy. This counts Original Medicare only and measures volume, not quality.
What is Armin Kiankhooy's NPI number?
1225156482. 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 Armin Kiankhooy, 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 patients91
Services billed to Medicare141
Different services or procedures29
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Replacement of aortic valve through the skin and femoral artery (33361)36 services
  2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)34 services
  3. Extensive reconstruction of upper heart chamber and alteration of electrical pathway using an endoscope (33266)15 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 cholesterol70%
  • High blood pressure69%
  • Atrial fibrillation54%
  • Ischemic heart disease47%
  • Heart failure38%
  • Arthritis36%

Hospitals where Armin Kiankhooy works

Medicare's Facility Affiliation Data lists Armin Kiankhooy 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 Armin Kiankhooy is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Armin Kiankhooy as a member of this group (CMS data updated October 2, 2026).

  • Cedars-Sinai Medical Care Foundation1,692 clinicians in the group

Specialties

Find other Cardiac Surgery doctors in California →

Other cardiac surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All cardiac surgeons in California →

Other clinicians in Cedars-Sinai Medical Care Foundation

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

Clinician information

Medical schoolUniversity Of Minnesota Medical School
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225156482
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