Reed Frances Martensen
Family Nurse Practitioner · Bay Shore, NY
Reed Frances Martensen is a family nurse practitioner with a practice address in Bay Shore, New York, and NPI 1932090891, issued on Jul 10, 2025. Check the license (New York 765568, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Reed Frances Martensen
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 765568 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1963 Union Blvd, Bay Shore, NY 11706
- Phone
- (833) 797-1330
- Enumerated
- Jul 10, 2025
- Record last updated
- Apr 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20260507001617); 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 1963 Union Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Liu, MDNeurological Surgery Physician1831552868
- Escarleth Ponce FuentesAcute Care Nurse Practitioner1811816135
- Daniel ToscanoNeurological Surgery Physician1902365943
Verify Reed Frances Martensen 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 765568Check 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
- North Shore-Lij Medical PCBay Shore, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reed Frances Martensen among 14,805 family nurse practitioner records in New York
Reed Frances Martensen 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 updated2026 · 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).
44 family nurse practitioner records list a practice address in Bay Shore
They are 44 of the 1,931 NPPES records with a practice address in Bay Shore, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Bay Shore → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Argentine BelfortBay Shore, NY 117061407366818
- Christy DefournoyBay Shore, NY 117061134408602
- Yeon Elebiary, FNPBay Shore, NY 117061487064424
- Christine Fanelli, NPBay Shore, NY 117061689632622
- Andrea Flannery, FNPBay Shore, NY 117061679586481
- Debra Hartnett, NPBay Shore, NY 117061497975957
- Jasmine Helvetius-PhilippeBay Shore, NY 117061457692469
- Carly Jean-Lys, FNPBay Shore, NY 117061326538026
Common questions
What is Reed Frances Martensen's NPI number?
Reed Frances Martensen's National Provider Identifier (NPI) is 1932090891, issued on Jul 10, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Reed Frances Martensen located?
The NPPES record lists a practice address at 1963 Union Blvd, Bay Shore, NY, 11706. Phone: (833) 797-1330. Providers update this record themselves, so call before visiting.
How can I verify Reed Frances Martensen's license?
NPPES lists New York license number 765568, 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.