Dr. Brendan E. McCarthy, MD
- Medicare services, 2024
- 2,413
- Medicare patients, 2024
- 1,186
- Part D claims, 2024
- 1,129
- Hospital affiliations
- 2
- Industry payments
- $47
- 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 Dr. McCarthy's professional email, personal email and mobile number
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Dr. Brendan E. McCarthy is an ophthalmologist in Boston, Massachusetts
Dr. McCarthy practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. McCarthy's NPI, 1033177969, was assigned on May 2, 2006. Dr. McCarthy graduated from Tufts University School of Medicine in 1997. Dr. McCarthy holds Massachusetts license 208515.
- NPI
- 1033177969NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436273299
- NPI enumeration date
- May 2, 2006
- 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
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brendan E. McCarthy practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. McCarthy'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. Brendan E. McCarthy is affiliated with 4 sites of care and 2 medical groups
Dr. McCarthy's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. McCarthy is also affiliated with Massachusetts Eye and Ear. The medical group on file is Lahey Clinic. Dmand AI also links Dr. McCarthy to 1 more community health center, 1 group practice or clinic 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. Brendan E. McCarthy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McCarthy practices, 4 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 |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brendan E. McCarthy is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dr. McCarthy's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. McCarthy is licensed in Massachusetts.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
Ophthalmologists near Dr. McCarthy
Counts of ophthalmologists 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. Brendan E. McCarthy billed Medicare for 2,413 services in 2024
CMS data shows 2,413 Medicare services from Dr. McCarthy across 15 procedure codes in 2024, for 1,186 Medicare patients. Medicare paid $122,278 for them. Every service was in an office.
Dr. McCarthy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3102024: 1,3715%
- Tests and treatments
- 2023: 1,1642024: 98415%
- Surgery
- 2023: 392024: 4310%
- Imaging
- 2023: 02024: 15
Dr. McCarthy compared with the Massachusetts median for ophthalmologists, 2024
- Dr. McCarthy
- Massachusetts median
- Medicare services
- 2,413vs 1,59851% above
- Medicare patients
- 1,186vs 594100% above
- Part D claims
- 1,066vs 54596% above
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. McCarthy'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 Dr. McCarthy and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brendan E. McCarthy treated 1,186 Medicare patients in 2024, average age 74
CMS counts 1,186 Medicare patients who saw Dr. McCarthy in 2024. The largest group is 65 to 74, with 527 patients. 70% of them have high blood pressure, and 70% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McCarthy's median patient age at 72, with 56% women.
Dr. McCarthy's Medicare patients by age, 2024
Dr. McCarthy's Medicare patients by sex, 2024
- Women70259%
- Men48441%
Chronic conditions among Dr. McCarthy's Medicare patients, 2024
- High blood pressure70%
- High cholesterol70%
- Arthritis43%
- Diabetes31%
- Anxiety26%
- Mood disorders26%
- Chronic kidney disease23%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. McCarthy'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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brendan E. McCarthy wrote 1,129 Medicare Part D claims in 2024
In 2024, Dr. McCarthy wrote 1,129 Medicare Part D claims for 288 patients. 64% of them were for generic drugs. CMS names the drug for 1,066 of them, across 10 drugs with 11 or more claims each, at $61,488 in total drug cost. In 2023, CMS named 901 claims across 10 drugs.
Dr. McCarthy's Part D claims by kind of drug, 2024
- Generic722 claims64%
- Brand-name407 claims36%
Dr. McCarthy'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: 9012024: 1,06618%
Drugs named by CMS: 10 in 2024, 10 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. Brendan E. McCarthy ranks in the 40th percentile for cataract surgery in Medicare
Dr. McCarthy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of cataract surgery by Dr. McCarthy, more than 40% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. McCarthy ranks in Medicare procedure volume
- Cataract surgery
- 40th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Brendan E. McCarthy received $47 in industry payments from 2016 to 2019
CMS Open Payments shows 2 general payments to Dr. McCarthy from 2 drug and device companies from 2016 to 2019. Education make up the largest share, 81% of the total. Shire North American Group Inc paid the most, $38.
General payments to Dr. McCarthy by program year, 2016 to 2019
General payments to Dr. McCarthy by kind, 2016 to 2019
- Education$3881%
- Food and beverage$919%
Companies that paid Dr. McCarthy the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brendan E. McCarthy graduated from Tufts University School of Medicine
Dr. McCarthy graduated from Tufts University School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brendan E. McCarthy'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)Doctors and Clinicians Utilization Data (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. Brendan E. McCarthy
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. Brendan E. McCarthy's NPI number?
Dr. Brendan E. McCarthy's NPI number is 1033177969. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brendan E. McCarthy?
Dr. Brendan E. McCarthy is an ophthalmologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Brendan E. McCarthy practice?
Dr. McCarthy practices at 55 Fruit Street, Boston, MA 02114. Dr. McCarthy's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. McCarthy to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Brendan E. McCarthy's office phone number?
The practice phone on file for Dr. McCarthy is (617) 726-2000.
What is Dr. Brendan E. McCarthy's medical license number?
Dr. McCarthy holds Massachusetts license 208515.
Which hospitals is Dr. Brendan E. McCarthy affiliated with?
Dr. McCarthy practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. McCarthy is also affiliated with Massachusetts Eye and Ear.
What medical group is Dr. Brendan E. McCarthy part of?
Dr. McCarthy is linked to Lahey Clinic. Dmand AI links Dr. McCarthy to 1 more medical group.
Does Dr. Brendan E. McCarthy accept Medicare?
Yes. CMS data shows Dr. McCarthy billed Medicare for 2,413 services in 2024, and Dr. McCarthy accepts Medicare assignment.
How many Medicare patients does Dr. Brendan E. McCarthy see?
CMS counts 1,186 Medicare patients who saw Dr. McCarthy in 2024, with an average age of 74.
What services does Dr. Brendan E. McCarthy bill to Medicare?
In 2024, Dr. McCarthy's most billed Medicare services were office visit, established patient (99213), eye exam or test (92133) and office visit, new patient (99203).
Show 4 more questionsShow fewer questions
Where did Dr. Brendan E. McCarthy go to medical school?
Dr. McCarthy graduated from Tufts University School of Medicine in 1997.
What drugs does Dr. Brendan E. McCarthy prescribe most?
In 2024 Medicare Part D data, Dr. McCarthy's most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Prednisolone Acetate.
Has Dr. Brendan E. McCarthy received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. McCarthy from 2 companies from 2016 to 2019. The largest total came from Shire North American Group Inc.
How long has Dr. Brendan E. McCarthy been practicing?
Dr. McCarthy graduated from medical school in 1997, 29 years ago.
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