NPPES file of Aug 9, 2026

Katherine L. Lewis, NP

Nurse Practitioner · Westford, MA

Katherine L. Lewis, NP is a nurse practitioner with a practice address in Westford, Massachusetts, and NPI 1093705907, issued on Oct 24, 2005. Check the license (Massachusetts 177498, as entered in NPPES) 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093705907
Name
Katherine L. Lewis
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
177498 MA
Self-reported in NPPES; status is on the state search
Practice location
234 Littleton RD, Westford, MA 01886
Phone
(978) 392-1900
Enumerated
Oct 24, 2005
Record last updated
Jul 13, 2026
Fax
(978) 392-9915
Medicaid ID
0386821 MA
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 234 Littleton RD

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

  1. Arthur FergussonPsychologist1720311269
  2. Jordan Hale, DCChiropractor1306563093
  3. Lisa Jurmu, DCChiropractor1225924483
  4. Carla Leclerc, D.C.Chiropractor1659324598
  5. David Leclerc, D.C.Chiropractor1447205034
  6. Erin Savage, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1578387031

Verify Katherine L. Lewis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 177498
    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 Massachusetts license search

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20% fewer Medicare Part D claims than the average nurse practitioner in 2024

883 Medicare Part D claims for 354 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Katherine Lewis883
  2. Specialty average1,109

Most prescribed

  1. Lisinopril64 claims
  2. Amlodipine Besylate45 claims
  3. Atorvastatin Calcium35 claims
  4. Azithromycin35 claims
  5. Escitalopram Oxalate31 claims
  6. Valsartan31 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.

The MIPS final score for 2023 (Medicare payment program): 91.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

5 nurse practitioner records list a practice address in Westford

They are 5 of the 349 NPPES records with a practice address in Westford, and 3,480 nurse practitioner records in Massachusetts.

Other nurse practitioner records in Massachusetts

  1. Paula Abate, NPWorcester, MA1336265909
  2. Carolyn Abbanat Villafane, NPBoston, MA1598810269
  3. Lisa Abbondanza, CNPFranklin, MA1770892630
  4. Elizabeth Abbruzzese, NPWorcester, MA1326645300
  5. Alberta Abbuah, PMHNPFramingham, MA1437873411
  6. Fatima AbdallaMelrose, MA1326407529
  7. Israh AbdeljaberWorcester, MA1912629528
  8. Erika AbeidFairhaven, MA1831084839
  9. Nina AbelowitzConcord, MA1528201704
  10. Esayas Abraham, NPChelsea, MA1851275895

Common questions

What is Katherine L. Lewis, NP's NPI number?

Katherine L. Lewis, NP's National Provider Identifier (NPI) is 1093705907, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Katherine L. Lewis, NP located?

The NPPES record lists a practice address at 234 Littleton RD, Westford, MA, 01886. Phone: (978) 392-1900. Providers update this record themselves, so call before visiting.

How can I verify Katherine L. Lewis, NP's license?

NPPES lists Massachusetts license number 177498, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine L. Lewis, NP prescribe under Medicare Part D?

In 2024, Katherine L. Lewis, NP had 883 Medicare Part D claims for 354 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Katherine L. Lewis, NP's MIPS final score?

The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.