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Dr. Nancy Lee, MD
NPI1306284096PAC ID5698998003
- Medicare services, 2024
- 512
- Medicare patients, 2024
- 209
- Part D claims, 2024
- 60
- Publications
- 4
- MIPS score, 2024
- 100
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
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Dr. Nancy Lee is an internist in Mendon, Massachusetts
Dr. Lee practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Lee's NPI, 1306284096, was assigned on June 5, 2013. Dr. Lee graduated from University of Massachusetts Medical School in 2013. Dr. Lee holds Massachusetts license 265520.
NPI and contact details
- NPI
- 1306284096NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698998003
- NPI enumeration date
- June 5, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nancy Lee practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Lee's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nancy Lee is affiliated with 2 sites of care and 1 medical group
Dr. Lee's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Lee is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group.
Umass Memorial Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nancy Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nancy Lee is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lee is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Lee
Counts of internists 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
Dr. Nancy Lee billed Medicare for 512 services in 2024
CMS data shows 512 Medicare services from Dr. Lee across 5 procedure codes in 2024, for 209 Medicare patients. Medicare paid $40,440 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024512
Medicare patients209
Paid by Medicare$40,440
Procedure codes5
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6232024: 51218%
Dr. Lee compared with the Massachusetts median for internists, 2024
- Dr. Lee
- Massachusetts median
- Medicare services
- 512vs 43119% above
- Medicare patients
- 209vs 1948% above
- Part D claims
- 22vs 40295% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lee's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nancy Lee treated 209 Medicare patients in 2024, average age 74
CMS counts 209 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 3.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 74, with 55% women.
Medicare patients, 2024209
Average age74
Average risk score3.06
Also on Medicaid54%
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women11254%
- Men9746%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders58%
- Arthritis56%
- Chronic kidney disease56%
- Ischemic heart disease56%
- Anxiety55%
- Depression51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nancy Lee wrote 60 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 60 Medicare Part D claims for 25 patients. 97% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $110 in total drug cost.
Part D claims, 202460
Drugs named by CMS2
Total drug cost$110
Part D patients25
Dr. Lee's Part D claims by kind of drug, 2024
- Generic58 claims97%
- Brand-name and other2 claims3%
Dr. Lee's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nancy Lee scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Lee for performance year 2024, reported through an alternative payment model (APM). Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Lee's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nancy Lee has 4 publications on record
Dmand AI links 4 papers to Dr. Lee, published from 2011 to 2019. Dr. Lee's most frequent co-authors are Stephen Ashwal, MD, Drew C. Cutler, MD and Francis J. Dimario, MD.
Papers4
Years published2011 to 2019
Dr. Lee's papers by year, 2011 to 2019
Dr. Lee's most frequent co-authors
- Stephen Ashwal, MD2 shared papers
- Drew C. Cutler, MD2 shared papers
- Francis J. Dimario, MD2 shared papers
Recent publications by Dr. Lee
AngiomyolipomaKidneyKidney Neoplasms
See who Dr. Lee researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lee works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nancy Lee received $155 in industry payments from 2017 to 2019
CMS Open Payments shows 2 general payments to Dr. Lee from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $143.
General payments to Dr. Lee by program year, 2017 to 2019
Companies that paid Dr. Lee the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nancy Lee graduated from University of Massachusetts Medical School
Dr. Lee graduated from University of Massachusetts Medical School in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nancy Lee'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Nancy Lee
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nancy Lee's NPI number?
Dr. Nancy Lee's NPI number is 1306284096. It was assigned on June 5, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Nancy Lee?
Dr. Nancy Lee is an internist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nancy Lee practice?
Dr. Lee practices at 55 North Ave, Mendon, MA 01756. Dr. Lee's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts.
What is Dr. Nancy Lee's office phone number?
The practice phone on file for Dr. Lee is (508) 334-1000.
What is Dr. Nancy Lee's medical license number?
Dr. Lee holds Massachusetts license 265520.
Which hospitals is Dr. Nancy Lee affiliated with?
Dr. Lee is affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Dr. Nancy Lee part of?
Dr. Lee is linked to UMass Memorial Medical Group.
Does Dr. Nancy Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 512 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. Nancy Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
What is Dr. Nancy Lee's MIPS score?
Dr. Lee's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Nancy Lee see?
CMS counts 209 Medicare patients who saw Dr. Lee in 2024, with an average age of 74.
What services does Dr. Nancy Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Nancy Lee go to medical school?
Dr. Lee graduated from University of Massachusetts Medical School in 2013.
What drugs does Dr. Nancy Lee prescribe most?
In 2016 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Hydrochlorothiazide and Omeprazole.
Has Dr. Nancy Lee received payments from drug or device companies?
CMS Open Payments shows $155 in general payments to Dr. Lee from 2 companies from 2017 to 2019. The largest total came from Stryker Corporation.
How long has Dr. Nancy Lee been practicing?
Dr. Lee graduated from medical school in 2013, 13 years ago.
Does Dr. Nancy Lee do research?
Dmand AI links 4 publications to Dr. Lee, published from 2011 to 2019.
Who does Dr. Nancy Lee publish with?
Dr. Lee's most frequent co-authors are Stephen Ashwal, MD (2 shared papers), Drew C. Cutler, MD (2 shared papers) and Francis J. Dimario, MD (2 shared papers).
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