DR. JANET MATUSZEK (DO) – Obstetrics & Gynecology Physician, NPI 1265542146
Obstetrics & Gynecology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
929 OBSTETRICS/GYNECOLOGY in MO
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Provider Addresses for DR. JANET MATUSZEK (DO)
209, First Executive Avenue, Saint Peters, Saint Charles County, Missouri, 63376, United States
SAINT PETERS, MO 633761697
Phone: (636) 936-8777
Fax: (636) 939-4257
Type: Mailing
PO BOX 7412065
CHICAGO, IL 606742065
Phone: (636) 936-8777
Fax: (636) 939-4257
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 75 Open Payments records for all available years, with a total value of $1,444.
Total Amount is formed as General ($1,444) + Research ($0) + Ownership ($0) = $1,444.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Novo Nordisk Inc ($264).
Total Amount
$1,444
General + Research + Ownership
Payments
75
Total payment records
General Amount
$1,444
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 |
|---|---|
| Novo Nordisk Inc | $264 |
| ABBVIE INC. | $258 |
| PFIZER INC. | $147 |
| Evofem Biosciences, Inc. | $140 |
| MAYNE PHARMA COMMERCIAL LLC | $97 |
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: 2007-12-13
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 |
|---|---|---|---|---|
| I20071213000047 | I | Obstetrics/Gynecology | 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 |
|---|---|---|---|---|
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 87 | 87 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 38 | 32 | $0 |
| G0328 | Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | 35 | 35 | $0 |
| 81002 | Urinalysis, manual test | 14 | 12 | $0 |
Insurance plans in this area (ZIP 63376)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | FL | |
| - | MO | |
| Diagnostic Radiology | IL | |
| - | IL | |
| - | MO | |
| - | MO | |
| - | MO | |
| - | MO |
Reviews
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