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Infectious Disease

Arbi Khodadadi, MD

Works at hospitals in Arcadia, CA · California

Summary

Dr. Arbi Khodadadi, MD is an infectious disease doctor at 959 E Walnut St, Suite 120, Pasadena, CA 91106. Phone: (626) 304-0782. Accepts Medicare assignment. In 2024, Arbi Khodadadi had 449 Original Medicare patients and 7,789 services. NPI 1730271099. 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: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 959 E Walnut St, Suite 120, Pasadena, CA 91106 · Directions
  • Phone: (626) 304‑0782
  • Medicare: Accepts Medicare assignment
  • Hospital: USC Arcadia Hospital
  • Medical school: University Of California, Geffen School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Arbi Khodadadi, 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 Arbi Khodadadi accept Medicare assignment?
Yes. Medicare's clinician data says Arbi Khodadadi 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 Arbi Khodadadi see?
In 2024, CMS data shows 449 Original Medicare patients and 7,789 services for Arbi Khodadadi. This counts Original Medicare only and measures volume, not quality.
What is Arbi Khodadadi's NPI number?
1730271099. 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 Arbi Khodadadi, 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 patients449
Services billed to Medicare7,789
Different services or procedures14
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)6,211 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,057 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)417 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)92 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%
  • Chronic kidney disease70%
  • Diabetes68%
  • Ischemic heart disease68%
  • Alzheimer's disease or dementia64%

Hospitals where Arbi Khodadadi works

Medicare's Facility Affiliation Data lists Arbi Khodadadi 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.

  • USC Arcadia HospitalArcadia, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050238

Practice locations

Addresses where Arbi Khodadadi is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in Pasadena

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

All infectious disease doctors in Pasadena →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730271099
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