MARGARET ROSANNA GRAY-SWAIN (MD) – Obstetrics & Gynecology Physician, NPI 1245267178
Obstetrics & Gynecology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
928 OBSTETRICS/GYNECOLOGY in MO
Provider Addresses for MARGARET ROSANNA GRAY-SWAIN (MD)
1110 Highlands Plaza Dr E Ste 280
Saint Louis, MO 631101351
Phone: (314) 286-2620
Type: Location
670, Mason Ridge Center Drive, Town and Country, Saint Louis County, Missouri, 63141, United States
STE 300
ST LOUIS, MO 63141
Phone: (314) 286-2620
Fax: (314) 286-2621
Type: Mailing
1110 HIGHLANDS PLAZA DR E STE 280
SAINT LOUIS, MO 631101351
Phone: (314) 286-2620
Type: Mailing
Highlands Plaza Drive East, Cheltenham, City of Saint Louis, Missouri, 63112-0040, United States
STE 280
SAINT LOUIS, MO 631101350
Phone: (314) 286-2620
Fax: (314) 286-2621
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 60 Open Payments records for all available years, with a total value of $1,115.
Total Amount is formed as General ($1,115) + Research ($0) + Ownership ($0) = $1,115.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Astellas Pharma US Inc ($327).
Total Amount
$1,115
General + Research + Ownership
Payments
60
Total payment records
General Amount
$1,115
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Astellas Pharma US Inc | $327 |
| Organon LLC | $124 |
| Exact Sciences Corporation | $99 |
| Sumitomo Pharma America, Inc. | $98 |
| Evofem Biosciences, Inc. | $60 |
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: 2007-11-30
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 |
|---|---|---|---|---|
| I20071130000549 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $0 |
Insurance plans in this area (ZIP 63110)
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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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