Syed A. Mazher, M.D.
Hematology & Oncology Physician · Dallas Tx 75390, TX
Syed A. Mazher, M.D. is a hematology & oncology physician with a practice address in Dallas Tx 75390, Texas, and NPI 1467458356, issued on Jun 24, 2005. Check the license (Texas S4022, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Syed A. Mazher
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- S4022 TX
E3012 AR
Self-reported in NPPES; status is on the state search - Practice location
- 6201 Harry Hines Blvd, Dallas Tx 75390, TX 75390
- Phone
- (214) 633-5555
- Enumerated
- Jun 24, 2005
- Record last updated
- Jul 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 143806001 AR
- Medicare enrollment
- Enrolled (PECOS I20191126001890); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Verify Syed A. Mazher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S4022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
221 Medicare Part D claims for 62 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Pantoprazole Sodium17 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): 74.6 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).
Bills Medicare through one group practice
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Syed A. Mazher among 922 hematology & oncology physician records in Texas
Syed A. Mazher, M.D. is one of 922 hematology & oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1986 · median 2004 among the 691 with a school on file
- Record last updated2021 · 51% 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 Texas 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 Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mary Auchus, MDDallas, TX 753901235198359
- David Auerbach, MDDallas, TX 753901205896297
- Robert Collins, MDDallas, TX 753901851350979
- Kevin Courtney, M.D.Dallas, TX 753901346215001
- Jonathan Dowell, MDDallas, TX 753901497724983
- Barbara Haley, MDDallas, TX 753901518936087
- Sandra Hofmann, MD PHDDallas, TX 753901306805437
- Randall Hughes, MDDallas, TX 753901417916537
Common questions
What is Syed A. Mazher, M.D.'s NPI number?
Syed A. Mazher, M.D.'s National Provider Identifier (NPI) is 1467458356, issued on Jun 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Syed A. Mazher, M.D. located?
The NPPES record lists a practice address at 6201 Harry Hines Blvd, Dallas Tx 75390, TX, 75390. Phone: (214) 633-5555. Providers update this record themselves, so call before visiting.
How can I verify Syed A. Mazher, M.D.'s license?
NPPES lists Texas license number S4022, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Syed A. Mazher, M.D. prescribe under Medicare Part D?
In 2024, Syed A. Mazher, M.D. had 221 Medicare Part D claims for 62 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Syed A. Mazher, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.6 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.