Mazie Tsang, M.D.
Hematology & Oncology Physician · Scottsdale, AZ
Mazie Tsang, M.D. is a hematology & oncology physician with a practice address in Scottsdale, Arizona, and NPI 1497161673, issued on Jul 8, 2014. Check the license (Arizona 67002, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mazie Tsang
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 67002 AZ
59601 MN
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- Jul 8, 2014
- Record last updated
- Sep 9, 2022
- Medicare enrollment
- Enrolled (PECOS I20220922003843); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 285 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mazie Tsang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 67002Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
705 Medicare Part D claims for 90 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 12 claims were for opioids.
Most prescribed
- Acyclovir140 claims
- Brukinsa90 claims
- Sulfamethoxazole-Trimethoprim42 claims
- Ondansetron Hcl40 claims
- Prednisone37 claims
- Prochlorperazine Maleate33 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,380.86
5 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. 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
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazie Tsang among 285 hematology & oncology physician records in Arizona
Mazie Tsang, M.D. is one of 285 hematology & oncology physician records with a practice address in Arizona. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2014 · median 2003 among the 229 with a school on file
- Record last updated2022 · 37% 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 Arizona 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 Arizona
There are 285 hematology & oncology physician records in Arizona.
All 285 in Arizona → Every provider in Scottsdale → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Roberta Adams, M.D.Scottsdale, AZ 852591932182771
- Karen Anderson, MD PHDScottsdale, AZ 852591396712089
- Tanios Bekaii-Saab, M.D.Scottsdale, AZ 852591598770331
- Peter Bergsagel, M.D.Scottsdale, AZ 852591316920150
- Mitesh Borad, MDScottsdale, AZ 852591801850573
- Alan Bryce, M.D.Scottsdale, AZ 852591548246655
- John Camoriano, M.D.Scottsdale, AZ 852591396723425
- Thai Ho, M.D./PH.D.Scottsdale, AZ 852591326054115
Common questions
What is Mazie Tsang, M.D.'s NPI number?
Mazie Tsang, M.D.'s National Provider Identifier (NPI) is 1497161673, issued on Jul 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mazie Tsang, M.D. located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Mazie Tsang, M.D.'s license?
NPPES lists Arizona license number 67002, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mazie Tsang, M.D. prescribe under Medicare Part D?
In 2024, Mazie Tsang, M.D. had 705 Medicare Part D claims for 90 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Mazie Tsang, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.