Katherine C. Luethy, NP
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 81
- Industry payments
- $16
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 200 Forest St, Marlborough, MA 01752
- Practice phone
- Call (774) 369-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics Massachusetts
Marlborough, Massachusetts
Find Katherine Luethy's professional email, personal email and mobile number
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Katherine C. Luethy is a nurse practitioner in Marlborough, Massachusetts
Katherine Luethy practices at Quest Diagnostics Massachusetts in Marlborough, Massachusetts.
Katherine Luethy's NPI, 1174717474, was assigned on August 29, 2007. Katherine Luethy holds Massachusetts license 267487.
- NPI
- 1174717474NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153417555
- NPI enumeration date
- August 29, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (774) 369-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine C. Luethy practices at Quest Diagnostics Massachusetts in Marlborough, Massachusetts
Katherine Luethy's primary practice is Quest Diagnostics Massachusetts, at 200 Forest St, Marlborough, MA 01752 in Middlesex County. The practice phone is (774) 369-3900.
- Quest Diagnostics Massachusetts200 Forest St, Marlborough, MA 01752 · Middlesex CountyPhone(774) 369-3900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine C. Luethy is affiliated with 2 sites of care and 1 medical group
Katherine Luethy's primary practice is Quest Diagnostics Massachusetts in Marlborough, Massachusetts. The medical group on file is Harvard University Health Services. Dmand AI also links Katherine Luethy to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Katherine C. Luethy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Luethy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics Massachusetts | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine C. Luethy is one of 2,511 nurse practitioners in Massachusetts
Nurse practitioner is Katherine Luethy's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Katherine Luethy is licensed in Massachusetts.
Specialties and state licenses
- Nurse practitioner, MassachusettsPrimary
Nurse practitioners near Katherine Luethy
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 C. Luethy treated 13 Medicare patients in 2024, average age 78
CMS counts 13 Medicare patients who saw Katherine Luethy in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.59, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Luethy's median patient age at 40, with 64% women.
Katherine Luethy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Katherine Luethy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katherine C. Luethy wrote 81 Medicare Part D claims in 2024
In 2024, Katherine Luethy wrote 81 Medicare Part D claims for 31 patients. 95% of them were for generic drugs.
Katherine Luethy's Part D claims by kind of drug, 2024
- Generic77 claims95%
- Brand-name and other4 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Katherine C. Luethy takes part in Medicare
Katherine Luethy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Katherine C. Luethy received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Katherine Luethy from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $16.
Companies that paid Katherine Luethy the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katherine C. Luethy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Katherine C. Luethy
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What is Katherine C. Luethy's NPI number?
Katherine C. Luethy's NPI number is 1174717474. It was assigned on August 29, 2007, and it is active in the NPI Registry.
What does Katherine C. Luethy specialize in?
Katherine C. Luethy is a nurse practitioner in Marlborough, Massachusetts. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Katherine C. Luethy practice?
Katherine Luethy practices at 200 Forest St, Marlborough, MA 01752. Katherine Luethy's primary practice is Quest Diagnostics Massachusetts in Marlborough, Massachusetts. Dmand AI also links Katherine Luethy to 1 group practice or clinic.
What is Katherine C. Luethy's office phone number?
The practice phone on file for Katherine Luethy is (774) 369-3900.
What is Katherine C. Luethy's medical license number?
Katherine Luethy holds Massachusetts license 267487.
What medical group is Katherine C. Luethy part of?
Katherine Luethy is linked to Harvard University Health Services.
Does Katherine C. Luethy accept Medicare?
Yes. CMS lists Katherine Luethy as accepting Medicare assignment.
How many Medicare patients does Katherine C. Luethy see?
CMS counts 13 Medicare patients who saw Katherine Luethy in 2024, with an average age of 78.
Has Katherine C. Luethy received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Katherine Luethy from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Katherine C. Luethy been practicing?
Katherine Luethy graduated from medical school in 2007, 19 years ago.
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