Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Diaa Osman, DO

Individual provider Hematology & Oncology Physician · NPI 1689894495

Dr. Diaa Osman, DO is a Hematology/Oncology in Austin, Texas. Qualified in 2012, 14 years ago. Practices with Texas Oncology PA, a 1,005-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota and Texas.

Years since qualifying
14
Licensed in
MN, TX
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4101 James Casey St Ste 100
Austin, TX 78745-1145
Phone: (512) 447-2202
Fax: (512) 447-5337
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence Q3567 (TX)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 63605 (MN)

Record details

NPI number1689894495
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 26, 2007
Last updated in NPPESAugust 30, 2022
Certification dateAugust 30, 2022
Mailing addressPo Box 911230, Dallas, TX 75391-1230

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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