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Medical Oncology

Pashtoon Kasi, MD

Sees patients in Irvine, CA · California

Summary

Dr. Pashtoon Kasi, MD is an oncologist at 1000 Fivepoint, Irvine, CA 92618. Phone: (949) 671-4673. Accepts Medicare assignment. In 2024, Pashtoon Kasi had 147 Original Medicare patients and 21,589 services. NPI 1215167648. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 1000 Fivepoint, Irvine, CA 92618 · Directions
  • Phone: (949) 671‑4673
  • Medicare: Accepts Medicare assignment
  • Group practice: City of Hope Medical Foundation
  • Medical school: graduated 2006 (20 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 Pashtoon Kasi, 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 Pashtoon Kasi accept Medicare assignment?
Yes. Medicare's clinician data says Pashtoon Kasi 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 Pashtoon Kasi see?
In 2024, CMS data shows 147 Original Medicare patients and 21,589 services for Pashtoon Kasi. This counts Original Medicare only and measures volume, not quality.
What is Pashtoon Kasi's NPI number?
1215167648. 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 Pashtoon Kasi, 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 patients147
Services billed to Medicare21,589
Different services or procedures66
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, palonosetron hcl, 25 mcg (J2469)530 services
  2. Injection, dexamethasone sodium phosphate, 1 mg (J1100)526 services
  3. Injection, fluorouracil, 500 mg (J9190)349 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)170 services
  5. Injection of additional new drug or substance into vein (96375)112 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 cholesterol68%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)65%
  • Arthritis41%
  • Diabetes37%
  • Ischemic heart disease33%

Practice locations

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

Group practices

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

  • City of Hope Medical Foundation982 clinicians in the group

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in Irvine

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

All oncologists in Irvine →

Other clinicians in City of Hope Medical Foundation

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

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215167648
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians