NPPES file of Aug 9, 2026

Katherine S. Johnson, PA-C

Medical Physician Assistant · Watertown, NY

Katherine S. Johnson, PA-C is a medical physician assistant with a practice address in Watertown, New York, and NPI 1881018588, issued on Feb 15, 2014. Check the license (New York 0173471, 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
1881018588
Name
Katherine S. Johnson
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
0173471 NY
Self-reported in NPPES; status is on the state search
Practice location
1571 Washington St, Watertown, NY 13601
Phone
(315) 782-1650
Enumerated
Feb 15, 2014
Record last updated
Oct 29, 2015 (not updated in 11 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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Also registered at 1571 Washington St

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

  1. Bruce Baird, M.D.Orthopaedic Surgery Physician1609859966
  2. Edward Choung, DOSports Medicine (Orthopaedic Surgery) Physician1376749887
  3. Todd Clopper, MDVascular & Interventional Radiology Physician1134118284
  4. Susanne Daye, MDDiagnostic Radiology Physician1104818707
  5. Myla Estepa, MDPediatrics Physician1720274657
  6. Karen Fish, MPAS, PA-CSurgical Physician Assistant1104816107

Verify Katherine S. Johnson 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 0173471
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $24.61

1 payment: food and beverage; the largest payer was ShockWave Medical, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Johnson$24.61
  2. Specialty average$1,055.00

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

Katherine S. Johnson among 3,670 medical physician assistant records in New York

Katherine S. Johnson, PA-C is one of 3,670 medical physician assistant records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 56% of them.

  • NPI issued2014 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 49% of these records are
  • Record last updated2015 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 medical physician assistant records list a practice address in Watertown

They are 18 of the 1,380 NPPES records with a practice address in Watertown, and 3,670 medical physician assistant records in New York.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Maria Alicea, MS, RPAWatertown, NY 136011063691491
  2. Melissa Charlebois, RPA CWatertown, NY 136011275529554
  3. Cassandra ChaseWatertown, NY 136011154883775
  4. Robin Frost, RPA-CWatertown, NY 136011356890396
  5. Abbey Kerr, PA-CWatertown, NY 136011477107498
  6. Eileen Kraeger, PAWatertown, NY 136011912950445
  7. Deborah McCabeWatertown, NY 136011114948841
  8. Thomas Moody, PHYSICIAN ASSISTANTWatertown, NY 136011467534396

Common questions

What is Katherine S. Johnson, PA-C's NPI number?

Katherine S. Johnson, PA-C's National Provider Identifier (NPI) is 1881018588, issued on Feb 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Katherine S. Johnson, PA-C located?

The NPPES record lists a practice address at 1571 Washington St, Watertown, NY, 13601. Phone: (315) 782-1650. Providers update this record themselves, so call before visiting.

How can I verify Katherine S. Johnson, PA-C's license?

NPPES lists New York license number 0173471, 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.