Dr. Arash Ash Alizadeh, MD, PhD

  • Stanford, CA
  • Medical oncologist
NPI1295824423PAC ID6901952951
Medicare services, 2024
146
Medicare patients, 2024
70
Part D claims, 2024
29
Publications
140
MIPS score, 2024
89
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

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Dr. Arash Ash Alizadeh is a medical oncologist in Stanford, California

Dr. Alizadeh practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Alizadeh's NPI, 1295824423, was assigned on October 12, 2006. Dr. Alizadeh graduated from Stanford University School Of Medicine in 2003. Dr. Alizadeh's California license number on file is A92354.

NPI and contact details
Medicare PAC ID
6901952951
NPI enumeration date
October 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Arash Ash Alizadeh practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Alizadeh's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Arash Ash Alizadeh is affiliated with 3 sites of care and 1 medical group

Dr. Alizadeh's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Alizadeh is also affiliated with Enloe Health. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Alizadeh to 1 more hospital, named with a free account. Dr. Alizadeh's employer is on file too: a hospital.

See all 4 affiliations for Dr. Alizadeh

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Arash Ash Alizadeh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alizadeh practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Arash Ash Alizadeh is one of 415 medical oncologists in California

Medical oncology is Dr. Alizadeh's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Alizadeh is board certified in medical oncology by the American Board of Internal Medicine. Dr. Alizadeh has a license on file in California.

Specialties and state licenses

  • Medical oncology, CaliforniaPrimaryLicense A92354 · 2005 to 2025 · taxonomy 207RX0202X

Clinical focus

Dmand AI lists chronic leukemia and lymphoma among the conditions Dr. Alizadeh treats.

Medical oncologists near Dr. Alizadeh

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Arash Ash Alizadeh billed Medicare for 146 services in 2024

CMS data shows 146 Medicare services from Dr. Alizadeh across 1 procedure code in 2024, all of them office visits, for 70 Medicare patients. Medicare paid $19,260 for them.

Medicare services, 2024146
Medicare patients70
Paid by Medicare$19,260
Procedure codes1

Dr. Alizadeh's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 372024: 146295%

Where Dr. Alizadeh's Medicare services took place, 2024

  • In an office3625%
  • In a facility11075%

Dr. Alizadeh compared with the California median for medical oncologists, 2024

  • Dr. Alizadeh
  • California median
Medicare services
146vs 49671% below
Medicare patients
70vs 15455% below
Part D claims
39vs 14473% below

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Dr. Alizadeh's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Alizadeh

Need commercial claims for Dr. Alizadeh?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alizadeh and other medical oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Arash Ash Alizadeh treated 70 Medicare patients in 2024, average age 75

CMS counts 70 Medicare patients who saw Dr. Alizadeh in 2024. The largest group is 65 to 74, with 41 patients. 73% of them have high cholesterol, and 53% have high blood pressure. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Alizadeh's median patient age at 68, with 43% women.

Medicare patients, 202470
Average age75
Average risk score1.82

Dr. Alizadeh's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Alizadeh's Medicare patients by sex, 2024

  • Women2941%
  • Men4159%

Chronic conditions among Dr. Alizadeh's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure53%
  3. Arthritis37%
  4. Mood disorders23%
  5. Anxiety21%
  6. Cancer21%
  7. Chronic kidney disease21%
  8. Osteoporosis21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Alizadeh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women43%
  • Men57%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Arash Ash Alizadeh wrote 29 Medicare Part D claims in 2024

In 2024, Dr. Alizadeh wrote 29 Medicare Part D claims. 100% of them were for generic drugs. They cover 3 drugs, with $445 in total drug cost.

Part D claims, 202429
Drugs named by CMS3
Total drug cost$445

Dr. Alizadeh's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Alizadeh

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Arash Ash Alizadeh scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Alizadeh for performance year 2024, reported as part of a group. Dr. Alizadeh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Alizadeh as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Alizadeh's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Arash Ash Alizadeh has 140 publications on record

Dmand AI links 140 papers to Dr. Alizadeh, published from 2000 to 2024. 2015 was the busiest year, with 10. The most frequent topics are Lymphoma, Large B-Cell, Diffuse, Oligonucleotide Array Sequence Analysis and Gene Expression Profiling. Dr. Alizadeh has published most often in Blood. Dr. Alizadeh's most frequent co-authors are Maximilian Diehn, MD, PhD, David Matthew Kurtz, MD and Izidore Lossos, MD.

Papers140
Years published2000 to 2024

Dr. Alizadeh's papers by year, 2015 to 2024

Topics Dr. Alizadeh writes about most

  • Lymphoma, Large B-Cell, Diffuse
  • Oligonucleotide Array Sequence Analysis
  • Gene Expression Profiling
  • Biomarkers, Tumor
  • Gene Expression Regulation, Neoplastic
  • Antineoplastic Combined Chemotherapy Protocols
  • Circulating Tumor DNA
  • B-Lymphocytes

Dr. Alizadeh's most frequent co-authors

Recent publications by Dr. Alizadeh

See all 140 publications and co-authors

See who Dr. Alizadeh researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Alizadeh works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Arash Ash Alizadeh received $64,027 in industry payments from 2016 to 2025

CMS Open Payments shows 63 general payments to Dr. Alizadeh from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 85% of the total. Gilead Sciences, Inc. paid the most, $26,171.

General payments to Dr. Alizadeh by program year, 2016 to 2025

General payments to Dr. Alizadeh by kind, 2016 to 2025

$64Kin total
  • Consulting fees$54,25585%
  • Travel and lodging$4,6137%
  • Speaker and faculty fees$2,0003%
  • Food and beverage$1,2382%
  • Other$1,8593%

Companies that paid Dr. Alizadeh the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Alizadeh

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Arash Ash Alizadeh has 1 award and honors on record

Dmand AI lists 1 award for Dr. Alizadeh, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Alizadeh

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Arash Ash Alizadeh graduated from Stanford University School Of Medicine

Dr. Alizadeh graduated from Stanford University School Of Medicine in 2003. Dr. Alizadeh is a member of AACR, ASCO and ASH.

  1. Medical schoolStanford University School Of Medicine
  2. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Arash Ash Alizadeh accepts plans from 9 insurance carriers

Dr. Alizadeh is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • +1 more carriersWith a free account

Plan types Dr. Alizadeh accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO4
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Arash Ash Alizadeh's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Arash Ash Alizadeh

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Arash Ash Alizadeh's NPI number?

Dr. Arash Ash Alizadeh's NPI number is 1295824423. It was assigned on October 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Arash Ash Alizadeh?

Dr. Arash Ash Alizadeh is a medical oncologist in Stanford, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Arash Ash Alizadeh practice?

Dr. Alizadeh practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Alizadeh's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Alizadeh to 1 hospital.

What is Dr. Arash Ash Alizadeh's office phone number?

The practice phone on file for Dr. Alizadeh is (650) 723-4000.

What is Dr. Arash Ash Alizadeh's medical license number?

Dr. Alizadeh's California license number on file is A92354.

Which hospitals is Dr. Arash Ash Alizadeh affiliated with?

Dr. Alizadeh practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Alizadeh is also affiliated with Enloe Health. Dmand AI links Dr. Alizadeh to 1 more hospital.

What medical group is Dr. Arash Ash Alizadeh part of?

Dr. Alizadeh is linked to Stanford Health Care.

Does Dr. Arash Ash Alizadeh accept Medicare?

Yes. CMS data shows Dr. Alizadeh billed Medicare for 146 services in 2024, and Dr. Alizadeh accepts Medicare assignment.

Does Dr. Arash Ash Alizadeh offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Alizadeh as offering telehealth services.

What is Dr. Arash Ash Alizadeh's MIPS score?

Dr. Alizadeh's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Arash Ash Alizadeh see?

CMS counts 70 Medicare patients who saw Dr. Alizadeh in 2024, with an average age of 75.

Is Dr. Arash Ash Alizadeh board certified?

Yes. Dr. Alizadeh is board certified in medical oncology by the American Board of Internal Medicine.

What services does Dr. Arash Ash Alizadeh bill to Medicare?

In 2024, Dr. Alizadeh's most billed Medicare services were office visit, established patient (99215).

Where did Dr. Arash Ash Alizadeh go to medical school?

Dr. Alizadeh graduated from Stanford University School Of Medicine in 2003.

What drugs does Dr. Arash Ash Alizadeh prescribe most?

In 2018 Medicare Part D data, Dr. Alizadeh's most prescribed drugs by claims were Famotidine, Tamsulosin HCl and Valacyclovir.

Has Dr. Arash Ash Alizadeh received payments from drug or device companies?

CMS Open Payments shows $64,027 in general payments to Dr. Alizadeh from 12 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Arash Ash Alizadeh been practicing?

Dr. Alizadeh graduated from medical school in 2003, 23 years ago.

Does Dr. Arash Ash Alizadeh do research?

Dmand AI links 140 publications to Dr. Alizadeh, published from 2000 to 2024.

Who does Dr. Arash Ash Alizadeh publish with?

Dr. Alizadeh's most frequent co-authors are Maximilian Diehn, MD, PhD (48 shared papers), David Matthew Kurtz, MD (26 shared papers) and Izidore Lossos, MD (14 shared papers).

What insurance does Dr. Arash Ash Alizadeh accept?

Dr. Alizadeh is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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