Doctor profile · Federal record

Dr. Samer Hassan, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology (Internal Medicine) Physician · Hematology & Oncology Physician · Medical Oncology Physician · Student in an Organized Health Care Education/Training Program · Oklahoma City, OK

  • NPI 1033421284
  • Accepts Medicare
  • MIPS 77.7 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4301 S Western Ave
Oklahoma City, OK 73109
(405) 631-0919
fax (405) 636-0518
Mailing address
5300 N Independence Ave Ste 280
Oklahoma City, OK 731125555

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
August 28, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Oklahoma #28920 · New Mexico #MD2016-0258

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033421284. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,575
Distinct HCPCS
6
Medicare allowed
$138,947
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 819 219 $93
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 409 96 $75
99213 Established patient office or other outpatient visit, 20-29 minutes 197 159 $63
99204 New patient office or other outpatient visit, 45-59 minutes 80 80 $128
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 58 56 $125
99215 Established patient office or other outpatient visit, 40-54 minutes 12 12 $138

In context: peer comparison

Among 24 peers in this city , average services per provider: 459. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$235
Transactions
11
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $52.35
GENZYME CORPORATION 1 $39.94
Ipsen Biopharmaceuticals, Inc 2 $32.46
PFIZER INC. 1 $23.38
E.R. Squibb & Sons, L.L.C. 1 $17.94
AstraZeneca Pharmaceuticals LP 1 $17.79
Genentech USA, Inc. 1 $17.21
Gilead Sciences, Inc. 1 $16.90
SOBI, INC 1 $16.86

By nature of payment

Food and Beverage
$202
Education
$32

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
878
Patients
185
Total drug cost
$515,424
Drug Type Claims Patients Total cost
Letrozole Generic 180 39 $3,600
Eliquis (Apixaban) Brand 115 18 $74,137
Prednisone Generic 103 24 $369
Hydroxyurea Generic 49 0 $1,484
Tamoxifen Citrate Generic 47 15 $1,824
Dexamethasone Generic 45 15 $686
Amlodipine Besylate Generic 44 0 $242
Anastrozole Generic 40 0 $708
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 39 11 $909
Pantoprazole Sodium Generic 39 12 $486

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Samer Hassan's medical specialty?
Dr. Samer Hassan practices Hematology & Oncology Physician in Oklahoma City, OK.
Where does Dr. Samer Hassan practice?
Dr. Samer Hassan practices at 4301 S Western Ave, Oklahoma City, OK 73109. Office phone: 4056310919.
What is Dr. Samer Hassan's NPI?
Dr. Samer Hassan's National Provider Identifier (NPI) is 1033421284, issued by NPPES.
Does Dr. Samer Hassan accept Medicare assignment?
Yes. Dr. Samer Hassan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samer Hassan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.