MARY RUTH WINDHAM (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1417485830
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
222 ENDOCRINOLOGY in CT
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Provider Addresses for MARY RUTH WINDHAM (MD)
Yale New Haven Hospital, 20, York Street, Downtown, New Haven, New Haven County, Connecticut, 06510, United States
YNHH DEPT OF INTERNAL MEDICINE
NEW HAVEN, CT 065103220
Phone: (203) 688-4242
Type: Location
688 E MAIN ST STE 1A
BRANFORD, CT 064052971
Phone: (203) 488-5885
Type: Mailing
20 YORK ST
NEW HAVEN, CT 065103220
Phone: (203) 688-4242
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $390.
Total Amount is formed as General ($390) + Research ($0) + Ownership ($0) = $390.
Last reported payment date: 2024-11-15 • Largest payer in this snapshot: Amgen Inc. ($173).
Total Amount
$390
General + Research + Ownership
Payments
12
Total payment records
General Amount
$390
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $173 |
| Lilly USA, LLC | $61 |
| Alexion Pharmaceuticals, Inc. | $34 |
| Radius Health, Inc. | $32 |
| Novo Nordisk Inc | $30 |
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: 2024-08-06
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 |
|---|---|---|---|---|
| I20240806000963 | I | Endocrinology | CT | 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 06510)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CT | |
| E N D O C R I N O L O G Y | CT | |
| E N D O C R I N O L O G Y | CT | |
| Nurse Practitioner | CT | |
| Endocrinology, Internal Medicine | CT | |
| E N D O C R I N O L O G Y | CT | |
| Nurse Practitioner | CT | |
| E N D O C R I N O L O G Y | CT | |
| - | CT | |
| E N D O C R I N O L O G Y | CT |
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