Dr. Reza N. Mostofi, MD

  • Duarte, CA
  • Hematologist and oncologist
NPI1972786895PAC ID7618057837
Medicare services, 2024
22,549
Medicare patients, 2024
304
Part D claims, 2024
1,176
Publications
1
MIPS score, 2024
93
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

See all 7 affiliations

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Dr. Reza N. Mostofi is a hematologist and oncologist in Duarte, California

Dr. Mostofi practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Dr. Mostofi's NPI, 1972786895, was assigned on December 13, 2007. Dr. Mostofi graduated from St. George's University School of Medicine in 2003. Dr. Mostofi holds California license C56205.

NPI and contact details
Medicare PAC ID
7618057837
NPI enumeration date
December 13, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(800) 826-4673
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. Reza N. Mostofi practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Dr. Mostofi's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Reza N. Mostofi is affiliated with 6 sites of care and 1 medical group

Dr. Mostofi's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dr. Mostofi is also affiliated with Torrance Memorial Medical Center. The medical group on file is City of Hope. Dmand AI also links Dr. Mostofi to 2 more hospitals, 1 group practice or clinic and 1 other site, each named with a free account.

See all 7 affiliations for Dr. Mostofi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Reza N. Mostofi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mostofi practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Reza N. Mostofi is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Mostofi's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Mostofi is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Mostofi's licenses on file in 4 states: California, Delaware, New Jersey and Pennsylvania.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense C56205 · 2013 to 2027 · taxonomy 207RH0003X
  • Delaware licenseLicense C1-0009044 · 2009 to 2015
  • New Jersey licenseLicense 25MA0858890 · 2009 to 2015
  • Pennsylvania licenseLicense MD430067 · 2003 to 2014

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), fluid and electrolyte imbalances, lung cancer and lymphoma among the conditions Dr. Mostofi treats.

Hematologists and oncologists near Dr. Mostofi

Counts of hematologists and 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. Reza N. Mostofi billed Medicare for 22,549 services in 2024

CMS data shows 22,549 Medicare services from Dr. Mostofi across 24 procedure codes in 2024, for 304 Medicare patients. Medicare paid $309,456 for them. Every service was in an office.

Medicare services, 202422,549
Medicare patients304
Paid by Medicare$309,456
Procedure codes24

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

  • 2023
  • 2024
Drugs given in the office
2023: 55,5382024: 20,40763%
Tests and treatments
2023: 2,2842024: 1,28744%
Office and hospital visits
2023: 8862024: 8059%
Surgery
2023: 402024: 5025%

Dr. Mostofi compared with the California median for hematologists and oncologists, 2024

  • Dr. Mostofi
  • California median
Medicare services
22,549vs 93224.2 times
Medicare patients
304vs 22535% above
Part D claims
911vs 3942.3 times

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Dr. Mostofi'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. Mostofi

Need commercial claims for Dr. Mostofi?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mostofi and other hematologists and 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. Reza N. Mostofi treated 304 Medicare patients in 2024, average age 75

CMS counts 304 Medicare patients who saw Dr. Mostofi in 2024. The largest group is 75 to 84, with 119 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.25, 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. Mostofi's median patient age at 70, with 63% women.

Medicare patients, 2024304
Average age75
Average risk score2.25
Also on Medicaid39%

Dr. Mostofi's Medicare patients by age, 2024

Dr. Mostofi's Medicare patients by sex, 2024

  • Women18661%
  • Men11839%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer58%
  4. Arthritis42%
  5. Diabetes39%
  6. Chronic kidney disease31%
  7. Ischemic heart disease27%
  8. Osteoporosis25%

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

Dr. Mostofi's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women63%
  • Men37%

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

Dr. Reza N. Mostofi wrote 1,176 Medicare Part D claims in 2024

In 2024, Dr. Mostofi wrote 1,176 Medicare Part D claims for 170 patients. 64% of them were for generic drugs. CMS names the drug for 911 of them, across 28 drugs with 11 or more claims each, at $4,632,710 in total drug cost. In 2023, CMS named 557 claims across 18 drugs.

Part D claims, 20241,176
Drugs named by CMS28
Total drug cost$4.6M
Part D patients170

Dr. Mostofi's Part D claims by kind of drug, 2024

  • Generic749 claims64%
  • Brand-name427 claims36%

Dr. Mostofi's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Mostofi's Part D claims, 2024

  • Opioids2%20 of 1,176 claims
  • Antipsychotics, patients 65 and over2%22 of 1,176 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5572024: 91164%

Drugs named by CMS: 28 in 2024, 18 in 2023.

See all prescribing by Dr. Mostofi

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. Reza N. Mostofi scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Mostofi for performance year 2024, reported as part of a group. Dr. Mostofi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mostofi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mostofi's MIPS scores, performance year 2024

  • 93of 100Final score
  • 78.5of 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. Reza N. Mostofi has 1 publication on record

Dmand AI links 1 paper to Dr. Mostofi.

Papers1

Recent publications by Dr. Mostofi

See all 1 publications and co-authors

See who Dr. Mostofi researches with

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

How network discovery works

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

Dr. Reza N. Mostofi received $7,293 in industry payments from 2016 to 2025

CMS Open Payments shows 324 general payments to Dr. Mostofi from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 75% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,890.

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

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

$7.3Kin total
  • Food and beverage$5,44175%
  • Consulting fees$1,57522%
  • Education$2774%

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

Share is of all general payments to this clinician.

See all payments to Dr. Mostofi

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

Dr. Reza N. Mostofi graduated from St. George's University School of Medicine

Dr. Mostofi graduated from St. George's University School of Medicine in 2003.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Reza N. Mostofi accepts plans from 16 insurance carriers

Dr. Mostofi is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Mostofi accepts, by number of carriers

  1. Medicare10
  2. HMO8
  3. PPO8
  4. EPO4
  5. POS4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Reza N. Mostofi'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
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. Reza N. Mostofi

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. Reza N. Mostofi's NPI number?

Dr. Reza N. Mostofi's NPI number is 1972786895. It was assigned on December 13, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Reza N. Mostofi?

Dr. Reza N. Mostofi is a hematologist and oncologist in Duarte, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Reza N. Mostofi practice?

Dr. Mostofi practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Mostofi's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Mostofi to 2 hospitals, 1 group practice or clinic and 1 other site.

What is Dr. Reza N. Mostofi's office phone number?

The practice phone on file for Dr. Mostofi is (800) 826-4673.

What is Dr. Reza N. Mostofi's medical license number?

Dr. Mostofi holds California license C56205, one of the licenses on file in 4 states.

Which states has Dr. Reza N. Mostofi been licensed in?

Dmand AI has state licenses on file for Dr. Mostofi in California (2013 to 2027), Delaware (2009 to 2015), New Jersey (2009 to 2015) and Pennsylvania (2003 to 2014).

Which hospitals is Dr. Reza N. Mostofi affiliated with?

Dr. Mostofi is affiliated with Torrance Memorial Medical Center. Dmand AI links Dr. Mostofi to 2 more hospitals.

What medical group is Dr. Reza N. Mostofi part of?

Dr. Mostofi is linked to City of Hope.

Does Dr. Reza N. Mostofi accept Medicare?

Yes. CMS data shows Dr. Mostofi billed Medicare for 22,549 services in 2024, and Dr. Mostofi accepts Medicare assignment.

Does Dr. Reza N. Mostofi offer telehealth?

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

Show 10 more questionsShow fewer questions

What is Dr. Reza N. Mostofi's MIPS score?

Dr. Mostofi's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Dr. Reza N. Mostofi see?

CMS counts 304 Medicare patients who saw Dr. Mostofi in 2024, with an average age of 75.

Is Dr. Reza N. Mostofi board certified?

Yes. Dr. Mostofi is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Reza N. Mostofi bill to Medicare?

In 2024, Dr. Mostofi's most billed Medicare services were injected or infused drug (J0185), injected or infused drug (J0897) and injected or infused drug (J1100).

Where did Dr. Reza N. Mostofi go to medical school?

Dr. Mostofi graduated from St. George's University School of Medicine in 2003.

What drugs does Dr. Reza N. Mostofi prescribe most?

In 2024 Medicare Part D data, Dr. Mostofi's most prescribed drugs by claims were Anastrozole, Revlimid and Ondansetron ODT.

Has Dr. Reza N. Mostofi received payments from drug or device companies?

CMS Open Payments shows $7,293 in general payments to Dr. Mostofi from 39 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Reza N. Mostofi been practicing?

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

Does Dr. Reza N. Mostofi do research?

Dmand AI links 1 publication to Dr. Mostofi.

What insurance does Dr. Reza N. Mostofi accept?

Dr. Mostofi is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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