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

Mahmoud M Abdallah, MD

Individual provider Hematology & Oncology Physician · NPI 1538645791

Mahmoud M Abdallah, MD is a Hematology/Oncology in Topeka, Kansas. Qualified in 2013, 13 years ago. Practices with Cotton-O'Neil Clinic Revocable Trust, a 658-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Kansas.

Years since qualifying
13
Licensed in
KS
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1414 SW 8th Ave
Topeka, KS 66606-1535
Phone: (785) 354-5300
Fax: (785) 354-5309
Show map & directions

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

Additional practice locations (1)

  • 1500 Sw 10th Ave, Topeka, KS 66604-1301 — (785) 354-6000

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 0451027 (KS)

Record details

NPI number1538645791
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2018
Last updated in NPPESAugust 3, 2026
Certification dateAugust 3, 2026

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Cotton-O'Neil Clinic Revocable Trust — 658 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations12 on file with Medicare

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