Doctor profile · Federal record

Dr. Qaiser Niaz, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Hematology & Oncology Physician · Hematology & Oncology Physician · Hayward, CA

  • NPI 1528056389
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27206 Calaroga Ave, #208
Hayward, CA 945454300
(510) 264-0300
fax (510) 264-9510
Mailing address
4721 Dallas Ranch RD
Antioch, CA 945318811

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
November 26, 2012
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (4)
California #C55286 · Nevada #11201 · Alabama #28392 · Kentucky #43954
Medicaid (2)
AL #009912297 · KY #7100146950

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528056389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
116,045
Distinct HCPCS
10
Medicare allowed
$2,410,473
HCPCS Description Services Patients Avg allowed
J1453 Injection, fosaprepitant, 1 mg 22,350 33 $0
J9271 Injection, pembrolizumab, 1 mg 20,400 17 $55
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 13,770 12 $1
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 10,750 66 $0
Q5106 Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units 8,681 23 $8
J0897 Injection, denosumab, 1 mg 7,980 49 $23
J9305 Injection, pemetrexed, not otherwise specified, 10 mg 7,022 12 $14
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units 6,240 18 $7
A9585 Injection, gadobutrol, 0.1 ml 4,050 34 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 3,340 49 $0

In context: peer comparison

Among 2 peers in Hayward Hematology & Oncology Physician, average services per provider: 1,778. This provider delivers 65× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,031
Transactions
135
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 16 $435.52
Novartis Pharmaceuticals Corporation 15 $385.59
Janssen Biotech, INC. 13 $285.84
AstraZeneca Pharmaceuticals Lp 10 $284.74
E.R. Squibb & Sons, L.L.C. 12 $244.33
Pfizer INC. 11 $241.48
Takeda Pharmaceuticals U.S.A., INC. 18 $234.10
Celgene Corporation 10 $198.17
Astellas Pharma US INC 7 $170.40
Abbvie INC. 7 $160.65
Eisai INC. 6 $157.18
SpringWorks Therapeutics, INC. 4 $116.19
Regeneron Healthcare Solutions, INC. 4 $109.20
US Oncology Corporate, INC. 1 $98.57
Progenics Pharmaceuticals, INC. 1 $85.81

By nature of payment

Food and Beverage
$3,994
Education
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
844
Patients
300
Total drug cost
$1,151,297
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 104 56 $1,682
Anastrozole Generic 103 33 $4,954
Prochlorperazine Maleate Generic 89 59 $1,012
Dexamethasone Generic 77 32 $1,999
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 75 32 $2,379
Loperamide (Loperamide Hcl) Brand 54 27 $1,342
Gabapentin Generic 46 12 $402
Tamoxifen Citrate Generic 44 14 $1,687
Prednisone Generic 42 12 $258
Hydroxyurea Generic 41 0 $2,221

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Qaiser Niaz's medical specialty?
Dr. Qaiser Niaz practices Hematology & Oncology Physician in Hayward, CA.
Where does Dr. Qaiser Niaz practice?
Dr. Qaiser Niaz practices at 27206 Calaroga Ave, Hayward, CA 945454300. Office phone: 5102640300.
What is Dr. Qaiser Niaz's NPI?
Dr. Qaiser Niaz's National Provider Identifier (NPI) is 1528056389, issued by NPPES.
Does Dr. Qaiser Niaz accept Medicare assignment?
Yes. Dr. Qaiser Niaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Qaiser Niaz commonly perform?
Top Medicare-reported procedures in 2023: Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138). Source: CMS Medicare Physician & Other Practitioners file.