Samer Hassan, M.D.
NPI 1033421284 · Hematology & Oncology Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samer Hassan, M.D. is a Hematology & Oncology Physician provider in Oklahoma City, OK (NPI 1033421284).
Provider details
- NPI number
- 1033421284
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD2016-0258 (NM)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,428 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 707 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 341 | $71 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 267 | $61 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 69 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 44 | $123 |
Typical Medicare-allowed amounts for these services range $61–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 254 | 44 |
| Apixabanbrand: Eliquis | 138 | 23 |
| Prednisone | 83 | 28 |
| Hydroxyurea | 58 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 50 | 20 |
| Triamcinolone Acetonide | 49 | 19 |
| Prochlorperazine Maleate | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$235 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-03
- Last updated
- 2018-08-28
Frequently asked questions
- What is Samer Hassan's NPI number?
- Samer Hassan's National Provider Identifier (NPI) is 1033421284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samer Hassan's specialty?
- Samer Hassan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Samer Hassan located?
- Samer Hassan's practice location on file with NPPES is 4301 S Western Ave, Oklahoma City, OK 73109.
- What is Samer Hassan's phone number?
- The practice phone number listed in the NPPES registry for Samer Hassan is (405) 631-0919.
- Does Samer Hassan accept Medicare?
- Samer Hassan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samer Hassan's NPI active?
- Yes — Samer Hassan's NPI (1033421284) is active in the NPPES registry as of the last update on 2018-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.