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Hematology/Oncology

Hassan Hatoum, MD

Works at hospitals in McAlester, OK · Oklahoma City, OK · Oklahoma

Summary

Hassan Hatoum, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in McAlester, OK and Oklahoma City, OK. NPI 1902137540. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Hassan Hatoum, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
MaleGender (as listed)
OU Health Partners IncGroup practice

Quick answers

Which hospitals does Hassan Hatoum work at?
Medicare's official clinician data lists Hassan Hatoum at 2 hospitals: McAlester Regional Health Center and O U Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hassan Hatoum see patients?
Medicare's clinician data lists 3 practice locations, including Oklahoma City, OK and McAlester, OK. Call before your visit to confirm the address.
What is Hassan Hatoum's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Hassan Hatoum accept Medicare assignment?
Yes. Medicare's clinician data says Hassan Hatoum accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Hassan Hatoum?
(405) 271-1112, as listed in official Medicare / NPI Registry data.
What is Hassan Hatoum's NPI number?
1902137540. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hassan Hatoum works

Medicare's Facility Affiliation Data lists Hassan Hatoum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Hassan Hatoum is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Hassan Hatoum as a member of this group (CMS data updated 2026-10-02).

  • OU Health Partners Inc1,184 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Oklahoma →

Other hematologist-oncologists in Oklahoma City

Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.

All hematologist-oncologists in Oklahoma City →

Clinician information

CredentialMD
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902137540
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians