NPPES file of Aug 9, 2026

Catherine Elizabeth Seemer, FNP

Family Nurse Practitioner · Harrison, NY

Catherine Elizabeth Seemer, FNP is a family nurse practitioner with a practice address in Harrison, New York, and NPI 1427720150, issued on Sep 30, 2021. Check the license (New York 348565, 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
1427720150
Name
Catherine Elizabeth Seemer
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
348565 NY
Self-reported in NPPES; status is on the state search
Practice location
4 Westchester Park Dr Ste 210, Harrison, NY 10604
Phone
(914) 472-1900
Enumerated
Sep 30, 2021
Record last updated
Sep 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Catherine Elizabeth Seemer 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 348565
    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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Industry payments in 2024: $88.87

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Catherine Seemer$88.87
  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.

Catherine Elizabeth Seemer among 14,805 family nurse practitioner records in New York

Catherine Elizabeth Seemer, FNP 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 2021, is newer than 63% of them.

  • NPI issued2021 · 63% of these records are older, 30% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 49% of these records are
  • Record last updated2021 · 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).

15 family nurse practitioner records list a practice address in Harrison

They are 15 of the 713 NPPES records with a practice address in Harrison, and 14,805 family nurse practitioner records in New York.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Catherine Adissi, NPWhite Plains, NY 106041023165586
  2. Sandra Aufiero, F.N.P.White Plains, NY 106041386641173
  3. Nativida Brown, FNPWhite Plains, NY 106041750688198
  4. Lillian Cassarello Fernandez, FNPWhite Plains, NY 106041104016955
  5. Nancy Condro, FNPWhite Plains, NY 106041750357984
  6. Sandra Davis, NP-CWhite Plains, NY 106041619943487
  7. Mary Donovan Greco, NPWest Harrison, NY 106041124246665
  8. Raquel Hinsch, NPWest Harrison, NY 106041740474501

Common questions

What is Catherine Elizabeth Seemer, FNP's NPI number?

Catherine Elizabeth Seemer, FNP's National Provider Identifier (NPI) is 1427720150, issued on Sep 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Elizabeth Seemer, FNP located?

The NPPES record lists a practice address at 4 Westchester Park Dr Ste 210, Harrison, NY, 10604. Phone: (914) 472-1900. Providers update this record themselves, so call before visiting.

How can I verify Catherine Elizabeth Seemer, FNP's license?

NPPES lists New York license number 348565, 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.