PATRICK M. O'BRIEN (M.D.) – Obstetrics & Gynecology Physician, NPI 1295711042
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for PATRICK M. O'BRIEN (M.D.)
401, Purdy Street, Idlewild, Easton, Talbot County, Maryland, 21601, United States
SUITE 102
EASTON, MD 216014060
Phone: (410) 820-0038
Fax: (410) 820-0039
Type: Location
PO BOX 12622
BELFAST, ME 049154017
Phone: (410) 820-0038
Fax: (410) 820-0039
Type: Mailing
24 MILES CENTER WAY
DAMARISCOTTA, ME 045434067
Phone: (207) 563-1234
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: 2022-11-30
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 |
|---|---|---|---|---|
| I20221130001849 | I | Obstetrics/Gynecology | ME | 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 21601)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OBSTETRICS/GYNECOLOGY | MD | 76830 | Ultrasound pelvis through vagina | 41 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | MD | |
| Physician Assistant | MD | |
| General Surgery, Vascular Surgery | MA | |
| General Surgery, Vascular Surgery | MD | |
| Internal Medicine, Pulmonary Disease, Critical Care (Intensivists) | MD | |
| Nurse Practitioner | MD | |
| - | MD | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TN | |
| - | MD | |
| - | ME |
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