NPPES file of Aug 9, 2026

Kathleen Knox Landy, PA-C

Surgical Physician Assistant · Boston, MA

Kathleen Knox Landy, PA-C is a surgical physician assistant with a practice address in Boston, Massachusetts, and NPI 1093438236, issued on Sep 22, 2022. Check the license with the Massachusetts 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
1093438236
Name
Kathleen Knox Landy
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
Practice location
40 Fay St Unit 702, Boston, MA 02118
Phone
(914) 912-6176
Enumerated
Sep 22, 2022
Record last updated
Feb 11, 2025
Medicare enrollment
Enrolled (PECOS I20221117002599); 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 Kathleen Knox Landy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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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71% fewer Medicare Part D claims than the average surgical physician assistant in 2024

87 Medicare Part D claims for 57 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 52 claims were for opioids.

  1. Kathleen Landy87
  2. Specialty average304

Most prescribed

  1. Tramadol Hcl33 claims
  2. Doxycycline Hyclate17 claims
  3. Hydrocodone-Acetaminophen11 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.

Bills Medicare through one group practice

  1. Excel Orthopedic Specialists IncWoburn, MA

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

Kathleen Knox Landy among 516 surgical physician assistant records in Massachusetts

Kathleen Knox Landy, PA-C is one of 516 surgical physician assistant records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.

  • NPI issued2022 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2022 · median 2014 among the 357 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Massachusetts

There are 516 surgical physician assistant records in Massachusetts.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Sean Doherty, PA-CBoston, MA 021181043862568
  2. James McCann, PHYSICIANS ASSISTANTBoston, MA 021181932326477
  3. Jaime Silva, PA-CBoston, MA 021181073805941
  4. Zoe Simonton, PABoston, MA 021181023203189
  5. Eileen Taylor, PABoston, MA 021181932429503
  6. Jessica Whitehouse, PA-CBoston, MA 021181376856070
  7. Max Zeidenberg, PA-CBoston, MA 021181396422648
  8. Alicia Amadori, PHYSICIAN ASSISTANTBoston, MA 021201932572732

Common questions

What is Kathleen Knox Landy, PA-C's NPI number?

Kathleen Knox Landy, PA-C's National Provider Identifier (NPI) is 1093438236, issued on Sep 22, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Knox Landy, PA-C located?

The NPPES record lists a practice address at 40 Fay St Unit 702, Boston, MA, 02118. Phone: (914) 912-6176. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Knox Landy, PA-C's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Kathleen Knox Landy, PA-C prescribe under Medicare Part D?

In 2024, Kathleen Knox Landy, PA-C had 87 Medicare Part D claims for 57 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.