CHAUDHARY MOBIN KHAN (MD) – Gastroenterology Physician, NPI 1649252461
Gastroenterology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
489 GASTROENTEROLOGY in MO
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Provider Addresses for CHAUDHARY MOBIN KHAN (MD)
20, Progress Point Parkway, O’Fallon, Saint Charles County, Missouri, 63368, United States
STE 108
O FALLON, MO 633682206
Phone: (636) 344-1073
Fax: (636) 344-1075
Type: Location
Mason Ridge Center Drive, Town and Country, Saint Louis County, Missouri, 63141, United States
SUITE 300
SAINT LOUIS, MO 631418573
Phone: (636) 344-1073
Fax: (636) 344-1075
Type: Mailing
20 Progress Point Pkwy
Ste 108
O Fallon, MO 633682206
Phone: (636) 344-1073
Fax: (636) 344-1075
Type: Location
20 PROGRESS POINT PKWY STE 206
O FALLON, MO 633682207
Phone: (636) 344-1073
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 122 Open Payments records for all available years, with a total value of $2,930.
Total Amount is formed as General ($2,930) + Research ($0) + Ownership ($0) = $2,930.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: ABBVIE INC. ($1,026).
Total Amount
$2,930
General + Research + Ownership
Payments
122
Total payment records
General Amount
$2,930
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,026 |
| Janssen Biotech, Inc. | $248 |
| GENZYME CORPORATION | $166 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $163 |
| Ipsen Biopharmaceuticals, Inc | $150 |
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: 2010-09-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-10-31 (954 days ago).
Enrollment records
1
Earliest due date
2023-10-31
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 |
|---|---|---|---|---|
| I20100923001448 | I | Gastroenterology | MO | 2023-10-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 150 | 149 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 107 | 105 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 103 | 98 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 87 | 51 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 58 | 55 | $0 |
Insurance plans in this area (ZIP 63368)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MO | 45385 | Removal of polyps or growths of large bowel using an endoscope | 62 | 59 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MO | |
| - | MO | |
| Family Practice | MO | |
| Hospitalist, Family Practice | MO | |
| Internal Medicine | MO | |
| - | MO | |
| Family Practice | MO | |
| Internal Medicine | IL | |
| Internal Medicine, Hospitalist | MO | |
| Nurse Practitioner | MO |
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