Dr. Brenda Mariana Lee, MD
- Medicare services, 2024
- 982
- Medicare patients, 2024
- 419
- Part D claims, 2024
- 578
- Hospital affiliations
- 3
- Industry payments
- $5,653
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lee's professional email, personal email and mobile number
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Dr. Brenda Mariana Lee is an anesthesiologist in Boston, Massachusetts
Dr. Lee practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Lee's NPI, 1134513534, was assigned on March 24, 2015. Dr. Lee holds Massachusetts license 278042.
- NPI
- 1134513534NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365754728
- NPI enumeration date
- March 24, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brenda Mariana Lee practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Lee's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Brenda Mariana Lee is affiliated with 4 sites of care and 2 medical groups
Dr. Lee's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Lee is also affiliated with Lahey Clinic. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Lee to 1 more hospital, 1 hospital outpatient department and 1 medical group, 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. Brenda Mariana Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brenda Mariana Lee is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Lee is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Lee
Counts of anesthesiologists 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. Brenda Mariana Lee billed Medicare for 982 services in 2024
CMS data shows 982 Medicare services from Dr. Lee across 19 procedure codes in 2024, for 419 Medicare patients. Medicare paid $71,431 for them.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2682024: 44666%
- Surgery
- 2023: 1902024: 424123%
- Imaging
- 2023: 352024: 6174%
- Other services
- 2023: 02024: 29
- Anesthesia
- 2023: 02024: 22
Where Dr. Lee's Medicare services took place, 2024
- In an office96098%
- In a facility222%
Dr. Lee compared with the Massachusetts median for anesthesiologists, 2024
- Dr. Lee
- Massachusetts median
- Medicare services
- 982vs 1267.8 times
- Medicare patients
- 419vs 2002.1 times
- Part D claims
- 483vs 2916.7 times
Medians across 1,366 anesthesiologists 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. Brenda Mariana Lee treated 419 Medicare patients in 2024, average age 73
CMS counts 419 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 170 patients. 75% of them have arthritis, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.58, 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 57% women.
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women25360%
- Men16640%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety44%
- Mood disorders37%
- Depression33%
- Chronic kidney disease28%
- Diabetes28%
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
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brenda Mariana Lee wrote 578 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 578 Medicare Part D claims for 133 patients. 98% of them were for generic drugs. CMS names the drug for 483 of them, across 11 drugs with 11 or more claims each, at $5,629 in total drug cost. In 2023, CMS named 345 claims across 13 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic565 claims98%
- Brand-name13 claims2%
Dr. Lee'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.
Drug classes CMS tracks in Dr. Lee's Part D claims, 2024
- Opioids21%121 of 578 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3452024: 48340%
Drugs named by CMS: 11 in 2024, 13 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
Dr. Brenda Mariana Lee offers telehealth to Medicare patients
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
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brenda Mariana Lee received $5,653 in industry payments from 2019 to 2025
CMS Open Payments shows 110 general payments to Dr. Lee from 9 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 78% of the total. Boston Scientific Corporation paid the most, $1,486.
General payments to Dr. Lee by program year, 2019 to 2025
General payments to Dr. Lee by kind, 2019 to 2025
- Food and beverage$4,42278%
- Travel and lodging$1,18821%
- Education$441%
Companies that paid Dr. Lee the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Brenda Mariana 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 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) |
| 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 Dr. Brenda Mariana 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. Brenda Mariana Lee's NPI number?
Dr. Brenda Mariana Lee's NPI number is 1134513534. It was assigned on March 24, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Brenda Mariana Lee?
Dr. Brenda Mariana Lee is an anesthesiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Brenda Mariana Lee practice?
Dr. Lee practices at 75 Francis Street, Boston, MA 02115. Dr. Lee's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Lee to 1 hospital, 1 hospital outpatient department and 1 medical group.
What is Dr. Brenda Mariana Lee's office phone number?
The practice phone on file for Dr. Lee is (617) 732-5500.
What is Dr. Brenda Mariana Lee's medical license number?
Dr. Lee holds Massachusetts license 278042.
Which hospitals is Dr. Brenda Mariana Lee affiliated with?
Dr. Lee practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Lee is also affiliated with Lahey Clinic. Dmand AI links Dr. Lee to 1 more hospital.
What medical group is Dr. Brenda Mariana Lee part of?
Dr. Lee is linked to Lahey Clinic. Dmand AI links Dr. Lee to 1 more medical group.
Does Dr. Brenda Mariana Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 982 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. Brenda Mariana Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
How many Medicare patients does Dr. Brenda Mariana Lee see?
CMS counts 419 Medicare patients who saw Dr. Lee in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Brenda Mariana Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: brain, spine and nerves (62323).
What drugs does Dr. Brenda Mariana Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Gabapentin, Duloxetine HCl and Oxycodone HCl.
Has Dr. Brenda Mariana Lee received payments from drug or device companies?
CMS Open Payments shows $5,653 in general payments to Dr. Lee from 9 companies from 2019 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Brenda Mariana Lee been practicing?
Dr. Lee graduated from medical school in 2013, 13 years ago.
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