Doctor profile · Federal record

Dr. Mazie Tsang, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Scottsdale, AZ

  • NPI 1497161673
  • Accepts Medicare
  • MIPS 78.6 / 100 · 2023
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
13400 E Shea Blvd
Scottsdale, AZ 852595452
(480) 301-8000
Additional location
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Profile last updated
September 9, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Arizona #67002 · Minnesota #59601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497161673. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
68,000
Distinct HCPCS
10
Medicare allowed
$1,515,306
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 10,004 35 $54
J1453 Injection, fosaprepitant, 1 mg 8,550 49 $0
J9299 Injection, nivolumab, 1 mg 7,280 13 $28
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 7,200 30 $48
Q5110 Injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram 5,880 12 $0
J9267 Injection, paclitaxel, 1 mg 5,580 24 $0
J9263 Injection, oxaliplatin, 0.5 mg 5,320 15 $0
J9264 Injection, paclitaxel protein-bound particles, 1 mg 2,740 12 $12
J0897 Injection, denosumab, 1 mg 2,100 17 $23
Q5119 Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg 1,730 23 $28

In context: peer comparison

Among 28 peers in this city , average services per provider: 963. This provider delivers 71× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,381
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Genentech USA, Inc. 3 $1,855.70
Celgene Corporation 1 $500.00
ABBVIE INC. 1 $25.16

By nature of payment

Consulting Fee
$1,765
Compensation for serving as faculty or as a speaker for a medical education program
$500
Food and Beverage
$116

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
370
Patients
93
Total drug cost
$807,377
Drug Type Claims Patients Total cost
Acyclovir Generic 81 20 $1,262
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 40 13 $155
Brukinsa (Zanubrutinib) Brand 39 0 $523,865
Prednisone Generic 36 11 $107
Prochlorperazine Maleate Generic 33 17 $498
Ondansetron Hcl Generic 30 17 $574
Allopurinol Generic 21 15 $47
Mirtazapine Generic 16 0 $829
Lorazepam Generic 14 0 $46
Dexamethasone Generic 13 0 $90

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mazie Tsang's medical specialty?
Dr. Mazie Tsang practices Hematology & Oncology Physician in Scottsdale, AZ.
Where does Dr. Mazie Tsang practice?
Dr. Mazie Tsang practices at 13400 E Shea Blvd, Scottsdale, AZ 852595452. Office phone: 4803018000.
What is Dr. Mazie Tsang's NPI?
Dr. Mazie Tsang's National Provider Identifier (NPI) is 1497161673, issued by NPPES.
Does Dr. Mazie Tsang accept Medicare assignment?
Yes. Dr. Mazie Tsang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mazie Tsang commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, nivolumab, 1 mg (HCPCS J9299). Source: CMS Medicare Physician & Other Practitioners file.