Diaa Osman, DO
Hematology & Oncology Physician · Austin, TX
Diaa Osman, DO is a hematology & oncology physician with a practice address in Austin, Texas, and NPI 1689894495, issued on Apr 26, 2007. Check the license (Texas Q3567, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Diaa Osman
- Credential
- DO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- Q3567 TX
63605 MN
Self-reported in NPPES; status is on the state search - Practice location
- 4101 James Casey St Ste 100, Austin, TX 78745
- Phone
- (512) 447-2202
- Enumerated
- Apr 26, 2007
- Record last updated
- Aug 30, 2022
- Fax
- (512) 447-5337
- Medicare enrollment
- Enrolled (PECOS I20220628002437); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Also registered at 4101 James Casey St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rene Castillo, MDMedical Oncology Physician1134186166
- David Espinoza, FNP-CFamily Nurse Practitioner1710590427
- Ashley Leon, FNPFamily Nurse Practitioner1235687260
- Aimee Mackey, MDSurgical Oncology Physician1386834836
- Shaun McKenzie, MDSurgical Oncology Physician1114189933
- Emily McLeod, MSN, APRN, ACNS-BCAdult Health Nurse Practitioner1053745505
Verify Diaa Osman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q3567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,160 Medicare Part D claims for 177 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 71 claims were for opioids.
Most prescribed
- Anastrozole80 claims
- Dexamethasone67 claims
- Eliquis54 claims
- Prednisone50 claims
- Hydroxyurea49 claims
- Xarelto47 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 MIPS final score for 2023 (Medicare payment program): 89.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $385.02
9 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, 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
- Texas Oncology PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diaa Osman among 922 hematology & oncology physician records in Texas
Diaa Osman, DO 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 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2012 · median 2004 among the 691 with a school on file
- Record last updated2022 · 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 → Every provider in Austin → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Carsten Kampe, PHD,MD,FACPAustin, TX 787451912944521
- Joseph Myers, MDAustin, TX 787451992748818
- Dennis Tweedy, M.D.Austin, TX 787451205874948
- Jennifer Wright, MDAustin, TX 787451568624831
- Vinod KondraguntaAustin, TX 787531588906168
- Yuhang Zhou, MD, PHDAustin, TX 787351508429739
- Allison Gorrebeeck, MDAustin, TX 787581467548628
- Mamta Kalidas, MDAustin, TX 787581164502423
Common questions
What is Diaa Osman, DO's NPI number?
Diaa Osman, DO's National Provider Identifier (NPI) is 1689894495, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diaa Osman, DO located?
The NPPES record lists a practice address at 4101 James Casey St Ste 100, Austin, TX, 78745. Phone: (512) 447-2202. Providers update this record themselves, so call before visiting.
How can I verify Diaa Osman, DO's license?
NPPES lists Texas license number Q3567, 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 Diaa Osman, DO prescribe under Medicare Part D?
In 2024, Diaa Osman, DO had 1,160 Medicare Part D claims for 177 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Diaa Osman, DO's MIPS final score?
The 2023 MIPS final score is 89.4 of 100. 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.