Kathleen Hamilton O'Sullivan, APRN, FNP-BC
Family Nurse Practitioner · Rockland, ME
Kathleen Hamilton O'Sullivan, APRN, FNP-BC is a family nurse practitioner with a practice address in Rockland, Maine, and NPI 1982409785, issued on Feb 17, 2025. Check the license with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Hamilton O'Sullivan
- Credential
- APRN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 0024192539 VA
Self-reported in NPPES; status is on the state search - Practice location
- 359 Broadway, Rockland, ME 04841
- Phone
- (623) 499-8530
- Enumerated
- Feb 17, 2025
- Record last updated
- Feb 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20251010003561); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,274 in Maine → Look up another NPI →
Verify Kathleen Hamilton O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Ming-Wei WU IncBrea, CA
- Professional Wound Specialists PCPomona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Hamilton O'Sullivan among 1,274 family nurse practitioner records in Maine
Kathleen Hamilton O'Sullivan, APRN, FNP-BC is one of 1,274 family nurse practitioner records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 93% of them.
- NPI issued2025 · 93% of these records are older, 2% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2024 · median 2018 among the 811 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family nurse practitioner records list a practice address in Rockland
They are 4 of the 297 NPPES records with a practice address in Rockland, and 1,274 family nurse practitioner records in Maine.
All 1,274 in Maine → Every provider in Rockland → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Shannon Achorn, NPRockland, ME 048411891594271
- Karen Lloyd Alves Moreira, FNP-CRockland, ME 048411295609667
- Vanessa Shields-Haas, FNP-CRockland, ME 048411982281143
- Brien Davis, FNPCamden, ME 048431871695619
- Michele Gagnon, CNPCamden, ME 048431992241020
- Elizabeth O'Mara, FNP-BCIslesboro, ME 048481083339352
- Dorie Weir, FNPIslesboro, ME 048481861558488
- Elizabeth Hill, FNPNorth Haven, ME 048531154468486
Common questions
What is Kathleen Hamilton O'Sullivan, APRN, FNP-BC's NPI number?
Kathleen Hamilton O'Sullivan, APRN, FNP-BC's National Provider Identifier (NPI) is 1982409785, issued on Feb 17, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Hamilton O'Sullivan, APRN, FNP-BC located?
The NPPES record lists a practice address at 359 Broadway, Rockland, ME, 04841. Phone: (623) 499-8530. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Hamilton O'Sullivan, APRN, FNP-BC's license?
Search the Maine board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.