Tariq Mahmood, M.D.
Hematology & Oncology Physician · Orange, CA
Tariq Mahmood, M.D. is a hematology & oncology physician with a practice address in Orange, California, and NPI 1104874171, issued on May 4, 2006. Check the license (California A34660, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tariq Mahmood
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A34660 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 W LA Veta Ave Ste 250, Orange, CA 92868
- Phone
- (714) 541-6622
- Enumerated
- May 4, 2006
- Record last updated
- Apr 28, 2023
- Fax
- (714) 541-0531
- Medicaid ID
- GR0057460 CA
- Medicare enrollment
- Enrolled (PECOS I20090121000563); 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 1010 W LA Veta Ave Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sam Huang, M.D.Hematology & Oncology Physician1841248812
- Xinyu Nan, M.D.Hematology & Oncology Physician1326458175
- Annie Vu, PA-CPhysician Assistant1336738046
Verify Tariq Mahmood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A34660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,361 Medicare Part D claims for 254 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 56 claims were for opioids.
Most prescribed
- Tamoxifen Citrate131 claims
- Eliquis83 claims
- Anastrozole66 claims
- Hydroxyurea62 claims
- Zolpidem Tartrate42 claims
- Lorazepam34 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: $4,636.78
232 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Providence Medical FoundationOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tariq Mahmood among 1,583 hematology & oncology physician records in California
Tariq Mahmood, M.D. 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
- Graduated1971 · median 2003 among the 1,124 with a school on file
- Record last updated2023 · 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 Orange → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Timothy Byun, MDOrange, CA 928681871545012
- Warren Chow, MDOrange, CA 928681093822017
- Paul Coluzzi, M.D.Orange, CA 928681972563906
- Mihaela Cristea, MDOrange, CA 928681417050998
- Sam Huang, M.D.Orange, CA 928681841248812
- Tiberio Lindgren, MDOrange, CA 928681275585424
- John Link, MDOrange, CA 928681245281211
- Steven Lipkin, MDOrange, CA 928681134153547
Common questions
What is Tariq Mahmood, M.D.'s NPI number?
Tariq Mahmood, M.D.'s National Provider Identifier (NPI) is 1104874171, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tariq Mahmood, M.D. located?
The NPPES record lists a practice address at 1010 W LA Veta Ave Ste 250, Orange, CA, 92868. Phone: (714) 541-6622. Providers update this record themselves, so call before visiting.
How can I verify Tariq Mahmood, M.D.'s license?
NPPES lists California license number A34660, 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 Tariq Mahmood, M.D. prescribe under Medicare Part D?
In 2024, Tariq Mahmood, M.D. had 1,361 Medicare Part D claims for 254 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.