Maegan Castle
Family Nurse Practitioner · Watertown, NY
Maegan Castle is a family nurse practitioner with a practice address in Watertown, New York, and NPI 1619864535, issued on Jun 23, 2025. Check the license (New York F357005-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maegan Castle
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F357005-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 53-59 Public SQ Ste 301, Watertown, NY 13601
- Phone
- (315) 782-2141
- Enumerated
- Jun 23, 2025
- Record last updated
- Jun 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20250807000161); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 53-59 Public SQ Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Kellogg, DOInternal Medicine Physician1598260119
- Connor Kellogg, FNPFamily Nurse Practitioner1467166736
- Jillian Marra, FNP-CFamily Nurse Practitioner1326607490
- Robert Pickeral, PACMedical Physician Assistant1205469186
Verify Maegan Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F357005-01Check 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 one group practice
- Watertown Internists PCWatertown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maegan Castle among 14,805 family nurse practitioner records in New York
Maegan Castle is one of 14,805 family nurse practitioner records with a practice address in New York. 68% 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 90% of them.
- NPI issued2025 · 90% of these records are older, 4% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2025 · median 2019 among the 7,239 with a school on file
- Record last updated2025 · 45% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 family nurse practitioner records list a practice address in Watertown
They are 58 of the 1,380 NPPES records with a practice address in Watertown, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Watertown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lynn Barber, CRNAWatertown, NY 136011285661900
- Paul Barter, FNPWatertown, NY 136011679550552
- Nancy Coughlin, RN,FNP-CWatertown, NY 136011518960822
- Debbie Elliott, FNPWatertown, NY 136011861470908
- Anne Hall, NPWatertown, NY 136011114969367
- Joan Hawthorne, FNP-CWatertown, NY 136011770592362
- Anna Hyde, FNP-CWatertown, NY 136011588661011
- Kathryn Kolton, FNPWatertown, NY 136011811990856
Common questions
What is Maegan Castle's NPI number?
Maegan Castle's National Provider Identifier (NPI) is 1619864535, issued on Jun 23, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Maegan Castle located?
The NPPES record lists a practice address at 53-59 Public SQ Ste 301, Watertown, NY, 13601. Phone: (315) 782-2141. Providers update this record themselves, so call before visiting.
How can I verify Maegan Castle's license?
NPPES lists New York license number F357005-01, as entered by the provider. Search the New York 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.