MICHAEL B CHEN (M.D.) – Obstetrics & Gynecology Physician, NPI 1023056355
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
929 OBSTETRICS/GYNECOLOGY in MO
Provider Addresses for MICHAEL B CHEN (M.D.)
3015 N BALLAS RD
SAINT LOUIS, MO 631312329
Phone: (314) 996-5000
Type: Location
Mason Ridge Center Drive, Town and Country, Saint Louis County, Missouri, 63141, United States
SUITE 300
SAINT LOUIS, MO 631418573
Phone: (636) 344-3105
Fax: (636) 344-3104
Type: Mailing
20, Progress Point Parkway, O’Fallon, Saint Charles County, Missouri, 63368, United States
SUITE 100
O FALLON, MO 633682206
Phone: (636) 344-3105
Fax: (636) 344-3104
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $80.
Total Amount is formed as General ($80) + Research ($0) + Ownership ($0) = $80.
Last reported payment date: 2024-05-20 • Largest payer in this snapshot: Medtronic, Inc. ($58).
Total Amount
$80
General + Research + Ownership
Payments
3
Total payment records
General Amount
$80
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $58 |
| Hologic Sales and Service, LLC | $21 |
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: 2025-09-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20050820000015 | I | Obstetrics/Gynecology | MO | TBD |
| I20240223000723 | I | Obstetrics/Gynecology | UT | TBD |
| I20250924001434 | I | Obstetrics/Gynecology | IL | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 63131)
Loading plans...
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.