Dr. Aashini K. Master, DO

  • Santa Monica, CA
  • Hematologist and oncologist
NPI1154557387PAC ID4284819137
Medicare services, 2024
8,360
Medicare patients, 2024
368
Part D claims, 2024
621
MIPS score, 2024
88
Hospital affiliations
3
Practice address
1250 16th Street, Santa Monica, CA 90404
Practice phone
Call (310) 319-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCLA Santa Monica Medical Center

Hospital · Santa Monica, California

See all 5 affiliations

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Dr. Aashini K. Master is a hematologist and oncologist in Santa Monica, California

Dr. Master practices at UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health.

Dr. Master's NPI, 1154557387, was assigned on June 2, 2009. Dr. Master graduated from Kirksville College of Osteopathic Medicine in 2007. Dr. Master holds California license 20A10821.

NPI and contact details
Medicare PAC ID
4284819137
NPI enumeration date
June 2, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 319-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
45
Medical school graduation
2007

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

Dr. Aashini K. Master practices at UCLA Santa Monica Medical Center in Santa Monica, California

Dr. Master's primary practice is UCLA Santa Monica Medical Center, at 1250 16th Street, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 319-4000.

Source: Dmand AI Affiliation Data

Dr. Aashini K. Master is affiliated with 4 sites of care and 1 medical group

Dr. Master's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dr. Master is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Master to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Master

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

Dmand AI tracks the EHR system at Dr. Aashini K. Master's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Master practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCLA Santa Monica Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Aashini K. Master is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Master's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Master is board certified in board certification by the Academy of Integrative Health and Medicine. Dr. Master is licensed in California.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense 20A18021 · 2009 to 2027 · taxonomy 207RH0003X

Clinical focus

Dmand AI lists breast cancer, colorectal cancer, multiple myeloma and purpura and thrombocytopenia among the conditions Dr. Master treats.

Hematologists and oncologists near Dr. Master

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. Aashini K. Master billed Medicare for 8,360 services in 2024

CMS data shows 8,360 Medicare services from Dr. Master across 24 procedure codes in 2024, for 368 Medicare patients. Medicare paid $237,695 for them. Every service was in an office.

Medicare services, 20248,360
Medicare patients368
Paid by Medicare$237,695
Procedure codes24

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

  • 2023
  • 2024
Drugs given in the office
2023: 3,7202024: 6,30569%
Tests and treatments
2023: 8092024: 7823%
Other services
2023: 5302024: 5123%
Office and hospital visits
2023: 5152024: 5081%
Lab and pathology
2023: 2182024: 2085%
Surgery
2023: 472024: 454%

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

  • Dr. Master
  • California median
Medicare services
8,360vs 9329.0 times
Medicare patients
368vs 22564% above
Part D claims
504vs 39428% above

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

Dr. Master'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. Master

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

Dr. Aashini K. Master treated 368 Medicare patients in 2024, average age 73

CMS counts 368 Medicare patients who saw Dr. Master in 2024. The largest group is 65 to 74, with 196 patients. 72% of them have high cholesterol, and 66% have cancer. 13% are also on Medicaid. Their average risk score is 1.54, 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. Master's median patient age at 56, with 87% women.

Medicare patients, 2024368
Average age73
Average risk score1.54
Also on Medicaid13%

Dr. Master's Medicare patients by age, 2024

Dr. Master's Medicare patients by sex, 2024

  • Women30382%
  • Men6518%

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

  1. High cholesterol72%
  2. Cancer66%
  3. High blood pressure60%
  4. Arthritis45%
  5. Osteoporosis37%
  6. Ischemic heart disease28%
  7. Anxiety27%
  8. Mood disorders26%

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

Dr. Master's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women87%
  • Men12%

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

Dr. Aashini K. Master wrote 621 Medicare Part D claims in 2024

In 2024, Dr. Master wrote 621 Medicare Part D claims for 150 patients. 80% of them were for generic drugs. CMS names the drug for 504 of them, across 9 drugs with 11 or more claims each, at $1,057,755 in total drug cost. In 2023, CMS named 390 claims across 9 drugs.

Part D claims, 2024621
Drugs named by CMS9
Total drug cost$1.1M
Part D patients150

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

  • Generic496 claims80%
  • Brand-name125 claims20%

Dr. Master'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3902024: 50429%

Drugs named by CMS: 9 in 2024, 9 in 2023.

See all prescribing by Dr. Master

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. Aashini K. Master scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Master for performance year 2024, reported as part of a group. Dr. Master accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Master as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Master's MIPS scores, performance year 2024

  • 88of 100Final score
  • 79.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 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. Aashini K. Master received $34,008 in industry payments from 2018 to 2025

CMS Open Payments shows 59 general payments to Dr. Master from 12 drug and device companies from 2018 to 2025. Speaker and faculty fees make up the largest share, 52% of the total. Gilead Sciences, Inc. paid the most, $26,815.

General payments to Dr. Master by program year, 2018 to 2025

General payments to Dr. Master by kind, 2018 to 2025

$34Kin total
  • Speaker and faculty fees$17,61852%
  • Consulting fees$10,01330%
  • Travel and lodging$3,64011%
  • Food and beverage$1,2524%
  • Other$1,3474%

Companies that paid Dr. Master the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Master

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

Dr. Aashini K. Master graduated from Kirksville College of Osteopathic Medicine

Dr. Master graduated from Kirksville College of Osteopathic Medicine in 2007. Dr. Master is a member of ASCO and Society of Integrative Oncology.

  1. Medical schoolKirksville College of Osteopathic Medicine
  2. Board certified in board certificationAcademy of Integrative Health and Medicine
  3. Board certified in hematologyAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Aashini K. Master accepts plans from 14 insurance carriers

Dr. Master is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Master accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Aashini K. Master'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)
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. Aashini K. Master

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. Aashini K. Master's NPI number?

Dr. Aashini K. Master's NPI number is 1154557387. It was assigned on June 2, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Aashini K. Master?

Dr. Aashini K. Master is a hematologist and oncologist in Santa Monica, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Aashini K. Master practice?

Dr. Master practices at 1250 16th Street, Santa Monica, CA 90404. Dr. Master's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dmand AI also links Dr. Master to 1 hospital and 1 group practice or clinic.

What is Dr. Aashini K. Master's office phone number?

The practice phone on file for Dr. Master is (310) 319-4000.

What is Dr. Aashini K. Master's medical license number?

Dr. Master holds California license 20A10821.

Which hospitals is Dr. Aashini K. Master affiliated with?

Dr. Master practices at UCLA Santa Monica Medical Center in Santa Monica, California. Dr. Master is also affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Master to 1 more hospital.

What medical group is Dr. Aashini K. Master part of?

Dr. Master is linked to UCLA Medical Group.

Does Dr. Aashini K. Master accept Medicare?

Yes. CMS data shows Dr. Master billed Medicare for 8,360 services in 2024, and Dr. Master accepts Medicare assignment.

Does Dr. Aashini K. Master offer telehealth?

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

What is Dr. Aashini K. Master's MIPS score?

Dr. Master's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Aashini K. Master see?

CMS counts 368 Medicare patients who saw Dr. Master in 2024, with an average age of 73.

Is Dr. Aashini K. Master board certified?

Yes. Dr. Master is board certified in board certification by the Academy of Integrative Health and Medicine.

What services does Dr. Aashini K. Master bill to Medicare?

In 2024, Dr. Master's most billed Medicare services were injected or infused drug (J0897), injected or infused drug (J1561) and injected or infused drug (J2469).

Where did Dr. Aashini K. Master go to medical school?

Dr. Master graduated from Kirksville College of Osteopathic Medicine in 2007.

What drugs does Dr. Aashini K. Master prescribe most?

In 2024 Medicare Part D data, Dr. Master's most prescribed drugs by claims were Anastrozole, Letrozole and Tamoxifen Citrate.

Has Dr. Aashini K. Master received payments from drug or device companies?

CMS Open Payments shows $34,008 in general payments to Dr. Master from 12 companies from 2018 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Aashini K. Master been practicing?

Dr. Master graduated from medical school in 2007, 19 years ago.

What insurance does Dr. Aashini K. Master accept?

Dr. Master is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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