KATHRYN F.L. O'BRIEN (CNM) – Advanced Practice Midwife, NPI 1114196847
Advanced Practice Midwife
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
40 CERTIFIED NURSE MIDWIFE (CNM) in DE
Provider Addresses for KATHRYN F.L. O'BRIEN (CNM)
261 E CAMDEN WYOMING AVE
CAMDEN, DE 199341209
Phone: (302) 270-4576
Type: Mailing
Banning Street, Dover, Kent County, Delaware, 19901, United States
DOVER, DE 199043488
Phone: (302) 674-0223
Fax: (302) 674-0109
Type: Location
640 S State St
Dover, DE 199013530
Phone: (302) 674-4700
Fax: (302) 735-3246
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $65.
Total Amount is formed as General ($65) + Research ($0) + Ownership ($0) = $65.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: PFIZER INC. ($30).
Total Amount
$65
General + Research + Ownership
Payments
4
Total payment records
General Amount
$65
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $30 |
| Astellas Pharma US Inc | $21 |
| AstraZeneca Pharmaceuticals LP | $13 |
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: 2014-09-06
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 |
|---|---|---|---|---|
| I20140906000067 | I | Certified Nurse Midwife (Cnm) | DE | 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 19934)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MD | |
| Qualified Audiologist | DE | |
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Nurse Practitioner | DE | |
| - | DE | |
| O B S T E T R I C S/ G Y N E C O L O G Y | DE | |
| Medical Oncology | DE | |
| Physician Assistant | DE | |
| Pediatric Medicine, Family Practice | DE | |
| Nurse Practitioner | DE |
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