Ashraf R. Aziz, MD
Hematology & Oncology Physician · Anaheim, CA
Ashraf R. Aziz, MD is a hematology & oncology physician with a practice address in Anaheim, California, and NPI 1386715365, issued on Nov 13, 2006. Check the license (California A53567, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ashraf R. Aziz
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A53567 CA
Self-reported in NPPES; status is on the state search - Practice location
- 441 N Lakeview Ave, Anaheim, CA 92807
- Phone
- (888) 988-2800
- Enumerated
- Nov 13, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041006001493); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 441 N Lakeview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Behnam Abdollahi, MDDermatopathology Physician1598836520
- Mark Abramson, MDInternal Medicine Physician1396812202
- Suzanne Ackley, MDNeuromusculoskeletal Medicine & OMM Physician1740351667
- Carol Ahmed, D.O.Family Medicine Physician1598962961
Verify Ashraf R. Aziz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A53567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,344 Medicare Part D claims for 225 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims. 17 claims were for opioids.
Most prescribed
- Lenalidomide148 claims
- Anastrozole116 claims
- Brukinsa98 claims
- Hydroxyurea66 claims
- Letrozole51 claims
- Venclexta44 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.
Industry payments in 2024: $18.70
1 payment: food and beverage; the largest payer was Servier Pharmaceuticals LLC. 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
- Southern California Permanente Medical GroupSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashraf R. Aziz among 1,583 hematology & oncology physician records in California
Ashraf R. Aziz, MD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1987 · median 2003 among the 1,124 with a school on file
- Record last updated2021 · 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 Anaheim → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Devi Jane Asuncion, MDAnaheim, CA 928071538367875
- Farah Brasfield, MDAnaheim, CA 928071730256629
- David Choi, MDAnaheim, CA 928071760559629
- Thu-Tam Huynh, MDAnaheim, CA 928071144402348
- Thomas Lee, M.D.Anaheim, CA 928071891871869
- Swarajya Vemuri, MDAnaheim, CA 928071174671127
- Navid Jamshidi, M.D.Anaheim, CA 928061053578526
- Van Nguyen, M.D.Anaheim, CA 928061922442557
Common questions
What is Ashraf R. Aziz, MD's NPI number?
Ashraf R. Aziz, MD's National Provider Identifier (NPI) is 1386715365, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ashraf R. Aziz, MD located?
The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Ashraf R. Aziz, MD's license?
NPPES lists California license number A53567, 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 Ashraf R. Aziz, MD prescribe under Medicare Part D?
In 2024, Ashraf R. Aziz, MD had 1,344 Medicare Part D claims for 225 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.