DR. COLLEEN HAZLETT-OBRIEN (D.O.) – Hospice and Palliative Medicine (Family Medicine) Physician, NPI 1487016648
Hospice and Palliative Medicine (Family Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
20 HOSPICE/PALLIATIVE CARE in DE
Provider Addresses for DR. COLLEEN HAZLETT-OBRIEN (D.O.)
501 W 14th St
Wilmington, DE 198011013
Phone: (302) 733-1042
Type: Location
269, Lauriston Street, Wissahickon, Philadelphia, Philadelphia County, Pennsylvania, 19128, United States
PHILADELPHIA, PA 191283720
Phone: (215) 694-5656
Type: Mailing
501, West 14th Street, Midtown Brandywine, Wilmington, New Castle County, Delaware, 19801, United States
WILMINGTON, DE 198011013
Phone: (302) 733-1042
Type: Location
339 ROYAL HUNT WAY
LITITZ, PA 175437616
Phone: (215) 694-5656
Type: Mailing
685 GOOD DR
LANCASTER, PA 176012426
Phone: (717) 735-3131
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2020-08-11
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 |
|---|---|---|---|---|
| I20200811004050 | I | Hospice/Palliative Care | PA | 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 19801)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| Hospice/Palliative Care, Pediatric Medicine | IL | |
| Nurse Practitioner | PA | |
| - | PA |
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