NPPES file of Aug 9, 2026

Heather Gjertsen, FNP-BC

Nurse Practitioner · Monroe, NY

Heather Gjertsen, FNP-BC is a nurse practitioner with a practice address in Monroe, New York, and NPI 1609689793, issued on Jan 31, 2025. Check the license (New York F355912-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609689793
Name
Heather Gjertsen
Credential
FNP-BC
Primary taxonomy
Nurse Practitioner 363L00000X
License number
F355912-01 NY
Self-reported in NPPES; status is on the state search
Practice location
1386 Lakes RD, Monroe, NY 10950
Phone
(845) 519-9183
Enumerated
Jan 31, 2025
Record last updated
Feb 1, 2025
Medicare enrollment
Enrolled (PECOS I20250415001377); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Heather Gjertsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license F355912-01    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

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Bills Medicare through 2 group practices

  1. Divinity Medical Services PLLCYorktown Heights, NY
  2. Ion Oltean Physician PCFlushing, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nurse Practitioner providers in New York

There are 3,097 nurse practitioner records in New York.

All 3,097 in New York → Every provider in Monroe →

Other nurse practitioner records in New York

  1. Amra Abadzic, NPEast Syracuse, NY1750019683
  2. Monique AbarcaSmithtown, NY1538766902
  3. Sharon Abayev, FNPForest Hills, NY1346062320
  4. Maura Abbott, NP, PHDNew York, NY1881876415
  5. Younes Abdulla, NPAmherst, NY1730018961
  6. Nataliya Abel, NPRocky Point, NY1295066405
  7. Cindy AbelidoGreat Neck, NY1003582156
  8. Eric AblordeyMiddletown, NY1710820154
  9. Michael AboagyeMiller Place, NY1538448501
  10. Elsamma Abraham, ANPNew York, NY1043461668

Common questions

What is Heather Gjertsen, FNP-BC's NPI number?

Heather Gjertsen, FNP-BC's National Provider Identifier (NPI) is 1609689793, issued on Jan 31, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Heather Gjertsen, FNP-BC located?

The NPPES record lists a practice address at 1386 Lakes RD, Monroe, NY, 10950. Phone: (845) 519-9183. Providers update this record themselves, so call before visiting.

How can I verify Heather Gjertsen, FNP-BC's license?

NPPES lists New York license number F355912-01, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.