Aashini Master, D.O
Hematology & Oncology Physician · Beverly Hills, CA
Aashini Master, D.O is a hematology & oncology physician with a practice address in Beverly Hills, California, and NPI 1154557387, issued on Jun 2, 2009. Check the license (California 20A10821, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aashini Master
- Credential
- D.O
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 20A10821 CA
20A18021 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 S Spalding Dr Ste 401, Beverly Hills, CA 90212
- Phone
- (310) 205-0771
- Enumerated
- Jun 2, 2009
- Record last updated
- Jan 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 205-0801
- Medicare enrollment
- Enrolled (PECOS I20110419000945); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 120 S Spalding Dr Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Holler, NPNurse Practitioner1497451181
- Fred Rosenfelt, M.D.Hematology & Oncology Physician1306842802
Verify Aashini Master in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
621 Medicare Part D claims for 150 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Anastrozole271 claims
- Letrozole66 claims
- Tamoxifen Citrate52 claims
- Verzenio46 claims
- Zarxio18 claims
- Exemestane14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13,292.58
17 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaBeverly Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aashini Master among 1,583 hematology & oncology physician records in California
Aashini Master, D.O is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2007 · median 2003 among the 1,124 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Beverly Hills → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Fred Rosenfelt, M.D.Beverly Hills, CA 902121306842802
- Linnea Chap, M.D.Beverly Hills, CA 902111700839362
- Robert Decker, M.D.Beverly Hills, CA 902111023014164
- Julie Dunhill, M.D.Beverly Hills, CA 902111083610570
- Afshin Gabayan, M.D.Beverly Hills, CA 902111659412757
- Leland Green, M.D.Beverly Hills, CA 902111730185877
- David Hoffman, M.D.Beverly Hills, CA 902111538165675
- Emily Kaymen, M.D.Beverly Hills, CA 902111649706532
Common questions
What is Aashini Master, D.O's NPI number?
Aashini Master, D.O's National Provider Identifier (NPI) is 1154557387, issued on Jun 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Aashini Master, D.O located?
The NPPES record lists a practice address at 120 S Spalding Dr Ste 401, Beverly Hills, CA, 90212. Phone: (310) 205-0771. Providers update this record themselves, so call before visiting.
How can I verify Aashini Master, D.O's license?
NPPES lists California license number 20A10821, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aashini Master, D.O prescribe under Medicare Part D?
In 2024, Aashini Master, D.O had 621 Medicare Part D claims for 150 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Aashini Master, D.O's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.