NPPES file of Aug 9, 2026

Samer Hassan, M.D.

Hematology & Oncology Physician · Oklahoma City, OK

Samer Hassan, M.D. is a hematology & oncology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1033421284, issued on Jul 3, 2010. Check the license (Oklahoma 28920, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033421284
Name
Samer Hassan
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
28920 OK
MD2016-0258 NM
Self-reported in NPPES; status is on the state search
Practice location
4301 S Western Ave, Oklahoma City, OK 73109
Phone
(405) 631-0919
Enumerated
Jul 3, 2010
Record last updated
Aug 28, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(405) 636-0518
Medicare enrollment
Enrolled (PECOS I20180917000856); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4301 S Western Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bilal Ahmad, M.DHematology & Oncology Physician1275845778
  2. Bashar Alasad, M.D.Hematology & Oncology Physician1215988803
  3. Laila Babar, MDHematology & Oncology Physician1760907513
  4. Melissa Barnett, LMFTMarriage & Family Therapist1285950840
  5. Richard Bottomley, M.D.Hematology & Oncology Physician1174609770
  6. Khader Hussein, M.D.Hematology & Oncology Physician1285685982

Verify Samer Hassan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 28920
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oklahoma license search

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2.4 times the Medicare Part D claims of the average hematology & oncology physician in 2024

2,063 Medicare Part D claims for 250 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 125 claims were for opioids.

  1. Samer Hassan2,063
  2. Specialty average877

Most prescribed

  1. Letrozole254 claims
  2. Eliquis138 claims
  3. Prednisone83 claims
  4. Hydroxyurea58 claims
  5. Hydrocodone-Acetaminophen50 claims
  6. Prochlorperazine Maleate49 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): 77.7 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.

  1. Qualityout of 100 · 30% of the final score82.5
  2. Costout of 100 · 30%43.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $234.83

11 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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.

  1. Samer Hassan$234.83
  2. Specialty average$7,481.41

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

  1. Integris Ambulatory Care CorporationOklahoma City, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hematology & Oncology Physician providers in Oklahoma

There are 128 hematology & oncology physician records in Oklahoma.

Other hematology & oncology physician records in Oklahoma

  1. Sakher Abdullah, MDOklahoma City, OK1932111333
  2. Bilal Ahmad, M.DOklahoma City, OK1275845778
  3. Taha Al-Juhaishi, M.D.Oklahoma City, OK1205241262
  4. Bashar Alasad, M.D.Oklahoma City, OK1215988803
  5. Jess Armor, M.D.Oklahoma City, OK1922059666
  6. Matthew Armstrong, MDTulsa, OK1457363236
  7. Adam Asch, M.D.Oklahoma City, OK1154434405
  8. Adanma Anji Ayanambakkam AttanathiOklahoma City, OK1265813513
  9. Than Aye, MDLawton, OK1104053792
  10. Laila Babar, MDOklahoma City, OK1760907513

Common questions

What is Samer Hassan, M.D.'s NPI number?

Samer Hassan, M.D.'s National Provider Identifier (NPI) is 1033421284, issued on Jul 3, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Samer Hassan, M.D. located?

The NPPES record lists a practice address at 4301 S Western Ave, Oklahoma City, OK, 73109. Phone: (405) 631-0919. Providers update this record themselves, so call before visiting.

How can I verify Samer Hassan, M.D.'s license?

NPPES lists Oklahoma license number 28920, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Samer Hassan, M.D. prescribe under Medicare Part D?

In 2024, Samer Hassan, M.D. had 2,063 Medicare Part D claims for 250 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Samer Hassan, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.7 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.