NPPES file of Aug 9, 2026

Katherine S. Exter, FNP

Family Nurse Practitioner · Hilton, NY

Katherine S. Exter, FNP is a family nurse practitioner with a practice address in Hilton, New York, and NPI 1881849388, issued on Nov 25, 2008. Check the license (New York F335598-1, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881849388
Name
Katherine S. Exter
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
F335598-1 NY
335598 NY
Self-reported in NPPES; status is on the state search
Practice location
279 East Ave, Hilton, NY 14468
Phone
(585) 392-9100
Enumerated
Nov 25, 2008
Record last updated
Apr 28, 2023
Fax
(585) 392-4020
Medicare enrollment
Enrolled (PECOS I20090616000503); 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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Also registered at 279 East Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eric Au, DOFamily Medicine Physician1265176457
  2. Robert Blackburn, M.D.Family Medicine Physician1457318198
  3. Sophia DanielMedical Physician Assistant1710618285
  4. Molly Dingwall, MDFamily Medicine Physician1467106625
  5. Josephine Elmore, N.P.Family Nurse Practitioner1477314839
  6. Nilsa Martinez, MDFamily Medicine Physician1215929187

Verify Katherine S. Exter 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 F335598-1
    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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4.1 times the Medicare Part D claims of the average family nurse practitioner in 2024

5,384 Medicare Part D claims for 560 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 217 claims were for opioids.

  1. Katherine Exter5,384
  2. Specialty average1,305

Most prescribed

  1. Levothyroxine Sodium343 claims
  2. Lisinopril293 claims
  3. Atorvastatin Calcium250 claims
  4. Omeprazole189 claims
  5. Rosuvastatin Calcium170 claims
  6. Gabapentin160 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $153.40

7 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Exter$153.40
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Frederick Ferris Thompson HospitalShortsville, NY

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

6 family nurse practitioner records list a practice address in Hilton

They are 6 of the 153 NPPES records with a practice address in Hilton, and 14,805 family nurse practitioner records in New York.

Other family nurse practitioner records in New York

  1. Carolyn A'Hearn, NPSyracuse, NY1093435554
  2. Lindsey Aanonsen, FNPStaten Island, NY1386368926
  3. Abigail Aaron, FNPNew York, NY1548125594
  4. Meredith AaronWellsville, NY1699121764
  5. Memoudou Abalola, NPBronx, NY1154580520
  6. Jennifer Abate, FNP-BCNew York, NY1568134732
  7. Karen Abate, PHD, APRN- BC, FNAPNew York, NY1669599585
  8. Tatiana AbayaBronx, NY1366323958
  9. Evilina AbayevaFresh Meadows, NY1932929585
  10. Dalia AbbasRockville Centre, NY1871425363

Common questions

What is Katherine S. Exter, FNP's NPI number?

Katherine S. Exter, FNP's National Provider Identifier (NPI) is 1881849388, issued on Nov 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Katherine S. Exter, FNP located?

The NPPES record lists a practice address at 279 East Ave, Hilton, NY, 14468. Phone: (585) 392-9100. Providers update this record themselves, so call before visiting.

How can I verify Katherine S. Exter, FNP's license?

NPPES lists New York license number F335598-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine S. Exter, FNP prescribe under Medicare Part D?

In 2024, Katherine S. Exter, FNP had 5,384 Medicare Part D claims for 560 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.