ELIZABETH HAMILTON O'KEEFE FNP-BC
NPI 1376192682
Nurse Practitioner - Family in Dover, NH
About Elizabeth Hamilton O'keefe Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH HAMILTON O'KEEFE FNP-BC (NPI 1376192682) is an individual family provider in Dover, New Hampshire, licensed in New Hampshire (082315-23) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Portsmouth.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Elizabeth Hamilton O'keefe Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Elizabeth O'keefe reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dover, NH 03820
- Reassigned Medicare billing, New Hampshire enrollment
- 559 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAWentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHCatholic Medical Center
Acute Care Hospitals · Manchester, NHHuggins Hospital
Critical Access Hospitals · Wolfeboro, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOVER, NH 03820
DOVER, NH 03820
DOVER, NH 03820
DOVER, NH 03820
DOVER, NH 03820
DOVER, NH 03820
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Elizabeth O'keefe's NPI number?
The NPI number for Elizabeth O'keefe is 1376192682. It was assigned to this individual provider in the NPPES registry on September 9, 2019.
Where is Elizabeth O'keefe located?
Elizabeth O'keefe practices at 19 Old Rollinsford Rd Bldg B, Dover, NH 03820. The listed phone number is (603) 516-4265.
What is Elizabeth O'keefe's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Elizabeth O'keefe enrolled in Medicare?
Yes. Elizabeth O'keefe is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Elizabeth O'keefe's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth O'keefe reassigns Medicare benefits to 2 organizations: Wentworth Douglass Physician Corporation (Dover, NH) and New York University (Boynton Beach, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth O'keefe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth O'keefe accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Elizabeth O'keefe as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Elizabeth O'keefe affiliated with any hospitals?
According to CMS data, Elizabeth O'keefe is affiliated with Massachusetts General Hospital, Wentworth-Douglass Hospital, Catholic Medical Center and Huggins Hospital.
When was this NPI record last updated?
The NPPES record for Elizabeth O'keefe was last updated on July 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.