NPPES file of Aug 9, 2026

Jennifer Mastin, RN

Registered Nurse · Walworth, NY

Jennifer Mastin, RN is a registered nurse with a practice address in Walworth, New York, and NPI 1114348455, issued on Jan 3, 2014. Check the license (New York 55341-1, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1114348455
Name
Jennifer Mastin
Credential
RN
Primary taxonomy
Registered Nurse 163W00000X
License number
55341-1 NY
Self-reported in NPPES; status is on the state search
Practice location
3757 Orchard St, Walworth, NY 14568
Phone
(585) 278-8136
Enumerated
Jan 3, 2014
Record last updated
Nov 6, 2023
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 Jennifer Mastin 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 55341-1    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
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8 registered nurse records list a practice address in Walworth

They are 8 of the 39 NPPES records with a practice address in Walworth, and 25,740 registered nurse records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8 in Walworth → All 25,740 in New York → Every provider in Walworth →

Other registered nurse records in New York

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  2. Momna AakelBrooklyn, NY1679109201
  3. Hannah Aakjar, RNBeacon, NY1437741097
  4. Rivqa Rhonda Aaronson, RNBrooklyn, NY1366898173
  5. Stephanie AaronsonSpring Valley, NY1407512361
  6. Bracha Aba-Baruch, RNBrooklyn, NY1881463461
  7. Lily AbabioCorona, NY1790642585
  8. Annalee Abad-Sanchez, RNBronx, NY1588930812
  9. Patricia AbahBronx, NY1508314741
  10. Morenike AbajinginBrooklyn, NY1922586551

Common questions

What is Jennifer Mastin, RN's NPI number?

Jennifer Mastin, RN's National Provider Identifier (NPI) is 1114348455, issued on Jan 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Mastin, RN located?

The NPPES record lists a practice address at 3757 Orchard St, Walworth, NY, 14568. Phone: (585) 278-8136. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Mastin, RN's license?

NPPES lists New York license number 55341-1, 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. 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.