MEI HUANG (M.D.) – Gastroenterology Physician, NPI 1417972597
Gastroenterology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
489 GASTROENTEROLOGY in MO
Provider Addresses for MEI HUANG (M.D.)
20 PROGRESS POINT PKWY STE 206
O FALLON, MO 633682207
Phone: (636) 344-1073
Type: Location
PO BOX 959203
SAINT LOUIS, MO 631959203
Phone: (618) 800-4595
Fax: (618) 800-4501
Type: Mailing
2122 TROY RD STE 130
EDWARDSVILLE, IL 620252540
Phone: (618) 800-4595
Fax: (618) 800-4501
Type: Location
201 BJC SAINT PETERS DR STE 200
SAINT PETERS, MO 633763386
Phone: (636) 916-9615
Type: Mailing
670, Mason Ridge Center Drive, Town and Country, Saint Louis County, Missouri, 63141, United States
STE 300
SAINT LOUIS, MO 631418573
Phone: (636) 916-9615
Fax: (636) 916-9850
Type: Mailing
Medical Office Building #3, 201, BJC Saint Peters Drive, Saint Peters, Saint Charles County, Missouri, 63376, United States
STE 200
SAINT PETERS, MO 633763385
Phone: (636) 916-9615
Fax: (636) 916-9850
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 101 Open Payments records for all available years, with a total value of $2,128.
Total Amount is formed as General ($2,128) + Research ($0) + Ownership ($0) = $2,128.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Janssen Biotech, Inc. ($498).
Total Amount
$2,128
General + Research + Ownership
Payments
101
Total payment records
General Amount
$2,128
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2005-07-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20050719000115 | I | Gastroenterology | MO | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 122 | 59 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 110 | 61 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 110 | 109 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 91 | 89 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 87 | 81 | $0 |
Insurance plans in this area (ZIP 63368)
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Provider's Procedures
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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