Doctor profile · Federal record

Dr. Mohamed Zeitoun, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Hobart, IN

  • NPI 1356306799
  • Accepts Medicare
  • MIPS 75.2 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1600 S Lake Park Ave Ste 1104
Hobart, IN 463426641
(219) 945-0600
fax (219) 947-6939
Additional location
1600 S Lake Park Ave, Suite 1104
Hobart, IN 463426641
Additional location
3800 Saint Mary RD Ste 101
Valparaiso, IN 463833986
Mailing address
Po Box 10069
Merrillville, IN 464110069

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 24, 2020
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Indiana #01045259
Medicaid
IN #200106010

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356306799. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,271
Distinct HCPCS
3
Medicare allowed
$232,190
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,722 714 $120
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 478 75 $33
99204 New patient office or other outpatient visit, 45-59 minutes 71 70 $152

In context: peer comparison

Among 1 peers in this city , average services per provider: 757. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$225
Transactions
9
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 3 $96.81
Medtronic, Inc. 3 $73.45
Xeris Pharmaceuticals, Inc. 1 $22.35
Amgen Inc. 1 $18.45
IBSA Pharma Inc. 1 $13.82

By nature of payment

Food and Beverage
$128
Education
$97

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,404
Patients
2,203
Total drug cost
$3,464,718
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 1,532 375 $21,902
Glimepiride Generic 847 246 $14,583
Synthroid (Levothyroxine Sodium) Brand 812 177 $75,279
Metformin Hcl Er (Metformin Hcl) Brand 729 235 $11,891
Metformin Hcl Generic 469 139 $5,829
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 453 187 $54,498
Ozempic (Semaglutide) Brand 446 141 $855,147
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 394 131 $450,860
Atorvastatin Calcium Generic 379 115 $5,389
Novolog Flexpen (Insulin Aspart) Brand 257 98 $459,484

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohamed Zeitoun's medical specialty?
Dr. Mohamed Zeitoun practices Endocrinology, Diabetes & Metabolism Physician in Hobart, IN.
Where does Dr. Mohamed Zeitoun practice?
Dr. Mohamed Zeitoun practices at 1600 S Lake Park Ave Ste 1104, Hobart, IN 463426641. Office phone: 2199450600.
What is Dr. Mohamed Zeitoun's NPI?
Dr. Mohamed Zeitoun's National Provider Identifier (NPI) is 1356306799, issued by NPPES.
Does Dr. Mohamed Zeitoun accept Medicare assignment?
Yes. Dr. Mohamed Zeitoun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohamed Zeitoun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.