Doctor profile · Federal record

Dr. Tariq Mahmood, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Specialist · Orange, CA

  • NPI 1104874171
  • Accepts Medicare
  • 55 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1010 W la Veta Ave Ste 250
Orange, CA 928684303
(714) 541-6622
fax (714) 541-0531

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 28, 2023
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A34660
Medicaid
CA #GR0057460

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104874171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,684
Distinct HCPCS
7
Medicare allowed
$176,753
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,133 411 $137
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 295 141 $8
36415 Insertion of needle into vein for collection of blood sample 154 97 $8
99205 New patient office or other outpatient visit, 60-74 minutes 40 40 $233
99213 Established patient office or other outpatient visit, 20-29 minutes 32 30 $98
99215 Established patient office or other outpatient visit, 40-54 minutes 19 17 $192
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $179

In context: peer comparison

Among 20 peers in this city , average services per provider: 1,067. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,637
Transactions
176
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 15 $413.01
Novartis Pharmaceuticals Corporation 16 $316.28
Daiichi Sankyo Inc. 11 $260.90
Celgene Corporation 25 $259.52
PFIZER INC. 16 $257.06
Takeda Pharmaceuticals U.S.A., Inc. 10 $242.86
Merck Sharp & Dohme LLC 12 $239.97
GlaxoSmithKline, LLC. 11 $238.82
Janssen Biotech, Inc. 10 $195.26
Incyte Corporation 12 $193.98
ABBVIE INC. 12 $183.12
Alexion Pharmaceuticals, Inc. 6 $152.00
SOBI, INC 6 $151.37
E.R. Squibb & Sons, L.L.C. 10 $133.24
Genentech USA, Inc. 4 $122.37

By nature of payment

Food and Beverage
$4,637

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,006
Patients
274
Total drug cost
$600,779
Drug Type Claims Patients Total cost
Tamoxifen Citrate Generic 132 35 $6,889
Eliquis (Apixaban) Brand 104 19 $85,771
Zolpidem Tartrate Generic 97 22 $802
Lorazepam Generic 91 27 $670
Anastrozole Generic 77 22 $2,856
Pantoprazole Sodium Generic 74 25 $751
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 66 19 $1,346
Hydroxyurea Generic 63 15 $2,931
Alprazolam Generic 54 13 $236
Azithromycin Generic 45 29 $194

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tariq Mahmood's medical specialty?
Dr. Tariq Mahmood practices Hematology & Oncology Physician in Orange, CA.
Where does Dr. Tariq Mahmood practice?
Dr. Tariq Mahmood practices at 1010 W la Veta Ave Ste 250, Orange, CA 928684303. Office phone: 7145416622.
What is Dr. Tariq Mahmood's NPI?
Dr. Tariq Mahmood's National Provider Identifier (NPI) is 1104874171, issued by NPPES.
Does Dr. Tariq Mahmood accept Medicare assignment?
Yes. Dr. Tariq Mahmood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tariq Mahmood commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.