Katherine L. Lewis, NP

  • Winchester, MA
  • Nurse practitioner
NPI1093705907
Medicare patients, 2024
368
Part D claims, 2024
883
MIPS score, 2024
92
Hospital affiliations
1
Medical groups
2
Practice address
41 Highland Avenue, Winchester, MA 01890
Practice phone
Call (781) 729-9000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Winchester Hospital

Hospital · Winchester, Massachusetts

See all 3 affiliations

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Katherine L. Lewis is a nurse practitioner in Winchester, Massachusetts

Katherine Lewis practices at Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health.

Katherine Lewis' NPI, 1093705907, was assigned on October 24, 2005. Katherine Lewis graduated from University of Massachusetts Medical School in 1998. Katherine Lewis holds Massachusetts license 177498.

NPI and contact details
NPI enumeration date
October 24, 2005
NPI status
Active
Practice phone
(781) 729-9000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Katherine L. Lewis practices at Winchester Hospital in Winchester, Massachusetts

Katherine Lewis' primary practice is Winchester Hospital, at 41 Highland Avenue, Winchester, MA 01890 in Middlesex County. The practice phone is (781) 729-9000.

  • Winchester Hospital
    41 Highland Avenue, Winchester, MA 01890 · Middlesex CountyPhone(781) 729-9000

Source: Dmand AI Affiliation Data

Katherine L. Lewis is affiliated with 1 site of care and 2 medical groups

Katherine Lewis' primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Lahey Clinic. Dmand AI also links Katherine Lewis to 1 more medical group, named with a free account.

See all 3 affiliations for Katherine Lewis

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Katherine L. Lewis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Lewis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Winchester HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Katherine L. Lewis is one of 2,511 nurse practitioners in Massachusetts

Nurse practitioner is Katherine Lewis' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Katherine Lewis is licensed in Massachusetts.

Specialties and state licenses

  • Nurse practitioner, MassachusettsPrimaryLicense 177498 · taxonomy 363L00000X

Nurse practitioners near Katherine Lewis

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Katherine L. Lewis treated 368 Medicare patients in 2024, average age 76

CMS counts 368 Medicare patients who saw Katherine Lewis in 2024. The largest group is 75 to 84, with 155 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Katherine Lewis' median patient age at 69, with 63% women.

Medicare patients, 2024368
Average age76
Average risk score0.94
Also on Medicaid3%

Katherine Lewis' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Katherine Lewis' Medicare patients by sex, 2024

  • Women25469%
  • Men11431%

Chronic conditions among Katherine Lewis' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis49%
  4. Anxiety27%
  5. Chronic kidney disease27%
  6. Diabetes21%
  7. Mood disorders21%
  8. Ischemic heart disease20%

Share of Medicare patients with each condition. A patient can have several.

Katherine Lewis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women63%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Katherine L. Lewis wrote 883 Medicare Part D claims in 2024

In 2024, Katherine Lewis wrote 883 Medicare Part D claims for 354 patients. 90% of them were for generic drugs.

Part D claims, 2024883
Part D patients354

Katherine Lewis' Part D claims by kind of drug, 2024

  • Generic797 claims90%
  • Brand-name and other86 claims10%

Drug classes CMS tracks in Katherine Lewis' Part D claims, 2024

  • Antibiotics15%132 of 883 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Katherine L. Lewis scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Katherine Lewis for performance year 2024, reported through an alternative payment model (APM).

Katherine Lewis' MIPS scores, performance year 2024

  • 92of 100Final score
  • 76.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Katherine L. Lewis graduated from University of Massachusetts Medical School

Katherine Lewis graduated from University of Massachusetts Medical School in 1998.

  1. Medical schoolUniversity of Massachusetts Medical School

Source: Dmand AI Professional Profile Data

Sources for Katherine L. Lewis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Katherine L. Lewis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Katherine L. Lewis' NPI number?

Katherine L. Lewis' NPI number is 1093705907. It was assigned on October 24, 2005, and it is active in the NPI Registry.

What does Katherine L. Lewis specialize in?

Katherine L. Lewis is a nurse practitioner in Winchester, Massachusetts. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Katherine L. Lewis practice?

Katherine Lewis practices at 41 Highland Avenue, Winchester, MA 01890. Katherine Lewis' primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Katherine Lewis to 1 medical group.

What is Katherine L. Lewis' office phone number?

The practice phone on file for Katherine Lewis is (781) 729-9000.

What is Katherine L. Lewis' medical license number?

Katherine Lewis holds Massachusetts license 177498.

Which hospitals is Katherine L. Lewis affiliated with?

Katherine Lewis practices at Winchester Hospital in Winchester, Massachusetts.

What medical group is Katherine L. Lewis part of?

Katherine Lewis is linked to Lahey Clinic. Dmand AI links Katherine Lewis to 1 more medical group.

What is Katherine L. Lewis' MIPS score?

Katherine Lewis' MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Katherine L. Lewis see?

CMS counts 368 Medicare patients who saw Katherine Lewis in 2024, with an average age of 76.

Where did Katherine L. Lewis go to medical school?

Katherine Lewis graduated from University of Massachusetts Medical School in 1998.

How long has Katherine L. Lewis been practicing?

Katherine Lewis graduated from medical school in 1998, 28 years ago.

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