MR. MATTHEW MEIER – Internal Medicine Physician, NPI 1578574372
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
Loading map...
Provider Addresses for MR. MATTHEW MEIER
1002, Peruque Crossing Court, O’Fallon, Saint Charles County, Missouri, 63366, United States
SUITE 102
O FALLON, MO 633662362
Phone: (636) 294-5757
Fax: (636) 294-5742
Type: Location
51, Catamaran Drive, Sail Pointe, Lake Saint Louis, Saint Charles County, Missouri, 63367, United States
LAKE ST LOUIS, MO 633672904
Phone: (636) 561-2418
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 97 Open Payments records for all available years, with a total value of $3,413.
Total Amount is formed as General ($3,413) + Research ($0) + Ownership ($0) = $3,413.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Novo Nordisk Inc ($412).
Total Amount
$3,413
General + Research + Ownership
Payments
97
Total payment records
General Amount
$3,413
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $412 |
| Phathom Pharmaceuticals, Inc. | $279 |
| Vanda Pharmaceuticals Inc. | $244 |
| Corcept Therapeutics | $234 |
| GlaxoSmithKline, LLC. | $205 |
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: 2009-12-17
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 |
|---|---|---|---|---|
| I20091217000094 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 246 | 109 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 141 | 97 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 132 | 59 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 117 | 68 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 99 | 99 | $0 |
Insurance plans in this area (ZIP 63366)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MO | 90670 | Pneumococcal vaccine for injection into muscle | 73 | 73 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MO | |
| Family Practice | MO | |
| Osteopathic Manipulative Medicine | MO | |
| A N E S T H E S I O L O G Y | MO | |
| Internal Medicine, Allergy/Immunology, Allergy/Immunology | MO | |
| Orthopedic Surgery | MO | |
| Internal Medicine | MO | |
| Family Practice | MO | |
| Orthopedic Surgery | MO | |
| General Surgery | MO |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.