Keith D. Lillemoe
- Medicare services, 2024
- 106
- Medicare patients, 2024
- 100
- Part D claims, 2024
- 36
- Hospital affiliations
- 2
- Industry payments
- $351
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Keith Lillemoe's professional email, personal email and mobile number
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Keith D. Lillemoe is a general surgeon in Boston, Massachusetts
Keith Lillemoe practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Keith Lillemoe's NPI, 1215982467, was assigned on May 24, 2006. Keith Lillemoe graduated from Johns Hopkins University School of Medicine in 1978. Keith Lillemoe holds Massachusetts license 247458.
- NPI
- 1215982467NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Keith D. Lillemoe practices at Massachusetts General Hospital in Boston, Massachusetts
Keith Lillemoe's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Keith D. Lillemoe is affiliated with 3 sites of care and 1 medical group
Keith Lillemoe's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Keith Lillemoe is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Keith Lillemoe to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Keith D. Lillemoe's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Keith Lillemoe practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Keith D. Lillemoe is one of 732 general surgeons in Massachusetts
Surgery is Keith Lillemoe's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Keith Lillemoe's licenses on file in 2 states: Massachusetts and Indiana.
Specialties and state licenses
- Surgery, MassachusettsPrimary
- Specialist, Indiana
General surgeons near Keith Lillemoe
Counts of general surgeons 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
Keith D. Lillemoe billed Medicare for 106 services in 2024
CMS data shows 106 Medicare services from Keith Lillemoe across 4 procedure codes in 2024, all of them office visits, for 100 Medicare patients. Medicare paid $10,892 for them. Every service was in an office.
Keith Lillemoe's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1092024: 1063%
- Surgery
- 2023: 112024: 0100%
Keith Lillemoe compared with the Massachusetts median for general surgeons, 2024
- Keith Lillemoe
- Massachusetts median
- Medicare services
- 106vs 20047% below
- Medicare patients
- 100vs 15234% below
- Part D claims
- 19vs 2214% below
Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.
Keith Lillemoe'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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Medicare shows one payer. Book a meeting to get commercial claims data for Keith Lillemoe and other general surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Keith D. Lillemoe treated 100 Medicare patients in 2024, average age 74
CMS counts 100 Medicare patients who saw Keith Lillemoe in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Keith Lillemoe's median patient age at 74, with 47% women.
Keith Lillemoe's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Keith Lillemoe's Medicare patients by sex, 2024
- Women3939%
- Men6161%
Chronic conditions among Keith Lillemoe's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis48%
- Ischemic heart disease29%
- Diabetes28%
- Anxiety27%
- Cancer27%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Keith Lillemoe'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
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Keith D. Lillemoe wrote 36 Medicare Part D claims in 2024
In 2024, Keith Lillemoe wrote 36 Medicare Part D claims for 16 patients. 47% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $35,525 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Keith Lillemoe's Part D claims by kind of drug, 2024
- Generic17 claims47%
- Brand-name19 claims53%
Keith Lillemoe's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 182024: 196%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
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Keith D. Lillemoe received $351 in industry payments from 2017 to 2025
CMS Open Payments shows 3 general payments to Keith Lillemoe from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Dilon Technologies, Inc. paid the most, $325.
General payments to Keith Lillemoe by program year, 2017 to 2025
Companies that paid Keith Lillemoe the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Keith D. Lillemoe graduated from Johns Hopkins University School of Medicine
Keith Lillemoe graduated from Johns Hopkins University School of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Keith D. Lillemoe'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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 Keith D. Lillemoe
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Keith D. Lillemoe's NPI number?
Keith D. Lillemoe's NPI number is 1215982467. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What does Keith D. Lillemoe specialize in?
Keith D. Lillemoe is a general surgeon in Boston, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Keith D. Lillemoe practice?
Keith Lillemoe practices at 55 Fruit Street, Boston, MA 02114. Keith Lillemoe's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Keith Lillemoe to 1 community health center.
What is Keith D. Lillemoe's office phone number?
The practice phone on file for Keith Lillemoe is (617) 726-2000.
What is Keith D. Lillemoe's medical license number?
Keith Lillemoe holds Massachusetts license 247458, one of the licenses on file in 2 states.
Which states has Keith D. Lillemoe been licensed in?
Dmand AI has state licenses on file for Keith Lillemoe in Massachusetts and Indiana.
Which hospitals is Keith D. Lillemoe affiliated with?
Keith Lillemoe practices at Massachusetts General Hospital in Boston, Massachusetts. Keith Lillemoe is also affiliated with Brigham and Women's Hospital.
What medical group is Keith D. Lillemoe part of?
Keith Lillemoe is linked to Massachusetts General Physicians Organization (MGPO).
Does Keith D. Lillemoe accept Medicare?
Yes. CMS data shows Keith Lillemoe billed Medicare for 106 services in 2024.
How many Medicare patients does Keith D. Lillemoe see?
CMS counts 100 Medicare patients who saw Keith Lillemoe in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Keith D. Lillemoe bill to Medicare?
In 2024, Keith Lillemoe's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, established patient (99213).
Where did Keith D. Lillemoe go to medical school?
Keith Lillemoe graduated from Johns Hopkins University School of Medicine in 1978.
What drugs does Keith D. Lillemoe prescribe most?
In 2024 Medicare Part D data, Keith Lillemoe's most prescribed drugs by claims were Creon.
Has Keith D. Lillemoe received payments from drug or device companies?
CMS Open Payments shows $351 in general payments to Keith Lillemoe from 2 companies from 2017 to 2025. The largest total came from Dilon Technologies, Inc.
How long has Keith D. Lillemoe been practicing?
Keith Lillemoe graduated from medical school in 1978, 48 years ago.
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