SONDRA E KAPNADAK (MD) – Obstetrics & Gynecology Physician, NPI 1750586905
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,044 OBSTETRICS/GYNECOLOGY in WA
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Provider Addresses for SONDRA E KAPNADAK (MD)
901, Madison Street, Central Business District, First Hill, Seattle, King County, Washington, 98104, United States
SEATTLE, WA 981041172
Phone: (206) 264-8100
Type: Mailing
950, Madison Street, Central Business District, First Hill, Seattle, King County, Washington, 98104, United States
SEATTLE, WA 981043592
Phone: (206) 682-5800
Fax: (206) 233-9657
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $18.
Total Amount is formed as General ($18) + Research ($0) + Ownership ($0) = $18.
Last reported payment date: 2023-11-15 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($18).
Total Amount
$18
General + Research + Ownership
Payments
1
Total payment records
General Amount
$18
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $18 |
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: 2015-04-10
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20150410000015 | I | Obstetrics/Gynecology | WA | 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 98104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| Nurse Practitioner | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| Nurse Practitioner | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WA |
Reviews
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