DR. ZOHAIR AHMED (M.D.) – Gastroenterology Physician, NPI 1578826939
Gastroenterology Physician
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Profile Insights
NPPES metrics only — not quality of care.
8,828 INTERNAL MEDICINE in IL
Provider Addresses for DR. ZOHAIR AHMED (M.D.)
2160 S 1st Ave
Maywood, IL 601533328
Phone: (708) 783-2226
Type: Location
8865 W 400 N STE 155
MICHIGAN CITY, IN 463609010
Phone: (219) 872-6566
Type: Location
PO BOX 781076
DETROIT, MI 482781076
Phone: (317) 528-4800
Fax: (317) 865-1479
Type: Mailing
701 SUPERIOR AVE STE 2700
MUNSTER, IN 463214037
Phone: (219) 922-7168
Fax: (219) 922-7169
Type: Location
770 Indian Boundary Rd Ste 200
Chesterton, IN 463041519
Phone: (219) 921-2000
Type: Location
2590 Morthland Dr
Valparaiso, IN 463856701
Phone: (219) 872-6566
Type: Location
530 NE Glen Oak Ave
Peoria, IL 616370001
Phone: (309) 655-2730
Type: Location
8865 W 400 N Ste 155
Michigan City, IN 463609010
Phone: (219) 872-6566
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 50 Open Payments records for all available years, with a total value of $2,238.
Total Amount is formed as General ($2,238) + Research ($0) + Ownership ($0) = $2,238.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: Olympus America Inc. ($524).
Total Amount
$2,238
General + Research + Ownership
Payments
50
Total payment records
General Amount
$2,238
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Olympus America Inc. | $524 |
| Olympus Corporation of the Americas | $415 |
| Apollo Endosurgery US Inc | $313 |
| ABBVIE INC. | $200 |
| Janssen Biotech, Inc. | $183 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-06-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20150903002179 | I | Gastroenterology | IL | TBD |
| I20200601000146 | I | Gastroenterology | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 204 | 125 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 142 | 139 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 110 | 76 | $0 |
| 43264 | Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 49 | 42 | $0 |
| 43238 | Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | 45 | 44 | $0 |
Insurance plans in this area (ZIP 60153)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| - | IN | |
| - | IN | |
| - | MI | |
| - | IN | |
| - | IN | |
| Family Practice | IN | |
| - | MI | |
| Internal Medicine | IN | |
| Internal Medicine, Emergency Medicine | MI |
Reviews
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