Doctor profile · Federal record

Dr. Mazen Allouni, MD

Internal Medicine Physician · Cleveland, OH

  • NPI 1255070991
  • 4 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2351 E 22Nd St
Cleveland, OH 441153111
(216) 861-6200
fax (216) 363-7490

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
June 7, 2022
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Ohio #57.253763

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255070991. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$309
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 2 $268.20
NXSTAGE MEDICAL, INC. 1 $20.89
Janssen Pharmaceuticals, Inc 1 $19.47

By nature of payment

Food and Beverage
$309

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$147
Drug Type Claims Patients Total cost
Potassium Chloride Generic 12 0 $147

Frequently asked questions

Auto-generated from federal data
What is Dr. Mazen Allouni's medical specialty?
Dr. Mazen Allouni practices Internal Medicine Physician in Cleveland, OH.
Where does Dr. Mazen Allouni practice?
Dr. Mazen Allouni practices at 2351 E 22Nd St, Cleveland, OH 441153111. Office phone: 2168616200.
What is Dr. Mazen Allouni's NPI?
Dr. Mazen Allouni's National Provider Identifier (NPI) is 1255070991, issued by NPPES.