Dr. Lyndon K. Lee, MD
- Medicare services, 2024
- 334
- Medicare patients, 2024
- 131
- Part D claims, 2024
- 73
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- 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
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Dr. Lyndon K. Lee is a hospitalist in Boston, Massachusetts
Dr. Lee practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Lee's NPI, 1447871231, was assigned on May 3, 2020. Dr. Lee graduated from Texas a & M University System, Hsc, College of Medicine in 2020. Dr. Lee holds Missouri license 2023027085.
- NPI
- 1447871231NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597127357
- NPI enumeration date
- May 3, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lyndon K. Lee practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Lee'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
Dr. Lyndon K. Lee is affiliated with 2 sites of care and 3 medical groups
Dr. Lee's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Lee to 2 more medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lyndon K. Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 2 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 |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lyndon K. Lee is one of 502 hospitalists in Massachusetts
Hospitalist is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lee is licensed in Missouri.
Specialties and state licenses
- Hospitalist, MissouriPrimary
Hospitalists near Dr. Lee
Counts of hospitalists 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. Lyndon K. Lee billed Medicare for 334 services in 2024
CMS data shows 334 Medicare services from Dr. Lee across 5 procedure codes in 2024, for 131 Medicare patients. Medicare paid $25,000 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1662024: 24849%
- Other services
- 2023: 212024: 86310%
Dr. Lee compared with the Massachusetts median for hospitalists, 2024
- Dr. Lee
- Massachusetts median
- Medicare services
- 334vs 46428% below
- Medicare patients
- 131vs 25348% below
Medians across 477 hospitalists 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. Lyndon K. Lee treated 131 Medicare patients in 2024, average age 68
CMS counts 131 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 34% are also on Medicaid. Their average risk score is 3.31, 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 72, with 51% women.
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women7255%
- Men5945%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis60%
- Chronic kidney disease57%
- Ischemic heart disease47%
- Heart failure44%
- Mood disorders44%
- Anxiety41%
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 72
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lyndon K. Lee wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 73 Medicare Part D claims for 29 patients. 95% of them were for generic drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic69 claims95%
- Brand-name and other4 claims5%
Drug classes CMS tracks in Dr. Lee's Part D claims, 2024
- Antibiotics15%11 of 73 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
Dr. Lyndon K. Lee scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Lee for performance year 2024, reported as part of a group. Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lee's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
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. Lyndon K. Lee received $171 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Lee from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Penumbra, Inc. paid the most, $171.
Companies that paid Dr. Lee the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lyndon K. Lee graduated from Texas a & M University System, Hsc, College of Medicine
Dr. Lee graduated from Texas a & M University System, Hsc, College of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lyndon K. 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 | 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 (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) |
| 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. Lyndon K. 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. Lyndon K. Lee's NPI number?
Dr. Lyndon K. Lee's NPI number is 1447871231. It was assigned on May 3, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Lyndon K. Lee?
Dr. Lyndon K. Lee is a hospitalist in Boston, Massachusetts. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Lyndon K. Lee practice?
Dr. Lee practices at 55 Fruit Street, Boston, MA 02114. Dr. Lee's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Lee to 2 medical groups and 1 community health center.
What is Dr. Lyndon K. Lee's office phone number?
The practice phone on file for Dr. Lee is (617) 726-2000.
What is Dr. Lyndon K. Lee's medical license number?
Dr. Lee holds Missouri license 2023027085.
Which hospitals is Dr. Lyndon K. Lee affiliated with?
Dr. Lee practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Lyndon K. Lee part of?
Dr. Lee is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Lee to 2 more medical groups.
Does Dr. Lyndon K. Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 334 services in 2024, and Dr. Lee accepts Medicare assignment.
What is Dr. Lyndon K. Lee's MIPS score?
Dr. Lee's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lyndon K. Lee see?
CMS counts 131 Medicare patients who saw Dr. Lee in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Dr. Lyndon K. Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were hospital inpatient care (99233), medicare service (G0316) and hospital inpatient care (99223).
Where did Dr. Lyndon K. Lee go to medical school?
Dr. Lee graduated from Texas a & M University System, Hsc, College of Medicine in 2020.
Has Dr. Lyndon K. Lee received payments from drug or device companies?
CMS Open Payments shows $171 in general payments to Dr. Lee from 1 company from 2025 to 2025. The largest total came from Penumbra, Inc.
How long has Dr. Lyndon K. Lee been practicing?
Dr. Lee graduated from medical school in 2020, 6 years ago.
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