MARGARET V COOPER VAUGHN (M.D.) – Specialist, NPI 1982607990
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
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Provider Addresses for MARGARET V COOPER VAUGHN (M.D.)
215, Middle Road, Fairfield, Somerset County, Maine, 04937, United States
FAIRFIELD, CA 945330021
Phone: (800) 967-2289
Fax: (760) 320-1805
Type: Mailing
El Camino Hospital Los Gatos, 815, Pollard Road, Santina Community, Vasona Junction, Los Gatos, Santa Clara County, California, 95032, United States
LOS GATOS, CA 950321438
Phone: (800) 967-2289
Fax: (760) 320-1805
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $181.
Total Amount is formed as General ($181) + Research ($0) + Ownership ($0) = $181.
Last reported payment date: 2024-10-25 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($71).
Total Amount
$181
General + Research + Ownership
Payments
8
Total payment records
General Amount
$181
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $71 |
| Lilly USA, LLC | $27 |
| Biogen, Inc. | $23 |
| Sumitomo Pharma America, Inc. | $21 |
| Averitas Pharma Inc. | $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: 2005-06-10
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 |
|---|---|---|---|---|
| I20050610000561 | I | Obstetrics/Gynecology | CA | 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 94533)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| R H E U M A T O L O G Y | CA | |
| Family Practice | CA | |
| Mental Health Counselor | TX | |
| Orthopedic Surgery, Sports Medicine | CA | |
| Family Practice | CA | |
| - | CA | |
| N E P H R O L O G Y | CA |
Reviews
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