Doctor profile · Federal record

Dr. Zohair Ahmed, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Internal Medicine Physician · Gastroenterology Physician · Munster, IN

  • NPI 1578826939
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
701 Superior Ave Ste 2700
Munster, IN 463214037
(219) 922-7168
fax (219) 922-7169
Additional location
2590 Morthland Dr
Valparaiso, IN 463856701
(219) 872-6566
Additional location
770 Indian Boundary RD Ste 200
Chesterton, IN 463041519
(219) 921-2000
Show 3 more locations
Additional location
8865 W 400 N Ste 155
Michigan City, IN 463609010
(219) 872-6566
Additional location
2160 S 1St Ave
Maywood, IL 601533328
(708) 783-2226
Additional location
530 Ne Glen Oak Ave
Peoria, IL 616370001
(309) 655-2730
Mailing address
Po Box 781076
Detroit, MI 482781076

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
August 21, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Illinois #036138701 · Indiana #01083881A · Illinois #125061405
Medicaid
IN #300038741

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578826939. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
708
Distinct HCPCS
10
Medicare allowed
$97,765
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 204 125 $114
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 142 139 $128
99214 Established patient office or other outpatient visit, 30-39 minutes 110 76 $120
43264 Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 49 42 $150
43238 Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope 45 44 $186
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 33 33 $78
43274 Insertion of stent into pancreatic or bile duct using a flexible endoscope 24 21 $392
43237 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth 23 23 $157
43262 Incision of pancreatic outlet using a flexible endoscope 19 19 $33
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 17 17 $100

In context: peer comparison

Among 6 peers in Munster Gastroenterology Physician, average services per provider: 77. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$665
Transactions
15
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Olympus America INC. 6 $319.26
Janssen Biotech, INC. 6 $183.03
Boston Scientific Corporation 2 $147.54
Abbvie INC. 1 $15.66

By nature of payment

Food and Beverage
$591
Education
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
148
Patients
52
Total drug cost
$23,206
Drug Type Claims Patients Total cost
Omeprazole Generic 63 17 $1,054
Pantoprazole Sodium Generic 40 11 $312
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 26 24 $342
Mounjaro (Tirzepatide) Brand 19 0 $21,498

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zohair Ahmed's medical specialty?
Dr. Zohair Ahmed practices Gastroenterology Physician in Munster, IN.
Where does Dr. Zohair Ahmed practice?
Dr. Zohair Ahmed practices at 701 Superior Ave Ste 2700, Munster, IN 463214037. Office phone: 2199227168.
What is Dr. Zohair Ahmed's NPI?
Dr. Zohair Ahmed's National Provider Identifier (NPI) is 1578826939, issued by NPPES.
Does Dr. Zohair Ahmed accept Medicare assignment?
Yes. Dr. Zohair Ahmed accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zohair Ahmed commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.