Dr. Michael Henry Bresnahan, MD
- Medicare services, 2023
- 1,280
- Part D claims, 2024
- 1,036
- Hospital affiliations
- 1
- Industry payments
- $574
- Medical groups
- 2
- Practice address
- 41 & 45 Mall Road, Burlington, MA 01803
- Practice phone
- Call (781) 744-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bresnahan's professional email, personal email and mobile number
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Dr. Michael Henry Bresnahan is an internist in Burlington, Massachusetts
Dr. Bresnahan practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.
Dr. Bresnahan's NPI, 1255405973, was assigned on November 17, 2006. Dr. Bresnahan graduated from New York University School of Medicine in 1983. Dr. Bresnahan holds Massachusetts license 55004.
- NPI
- 1255405973NPI Registry (opens in a new tab)
- NPI enumeration date
- November 17, 2006
- NPI status
- Active
- Practice phone
- (781) 744-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Henry Bresnahan practices at Lahey Clinic in Burlington, Massachusetts
Dr. Bresnahan's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.
- Lahey Clinic41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100
Source: Dmand AI Affiliation Data
Dr. Michael Henry Bresnahan is affiliated with 3 sites of care and 2 medical groups
Dr. Bresnahan's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Beth Israel Lahey Health Primary Care, Winchester Family Physicians. Dmand AI also links Dr. Bresnahan to 2 more group practices and clinics 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. Michael Henry Bresnahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bresnahan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lahey Clinic | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Henry Bresnahan is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Bresnahan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bresnahan is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Bresnahan
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. Michael Henry Bresnahan billed Medicare for 1,280 services in 2023
CMS data shows 1,280 Medicare services from Dr. Bresnahan across 15 procedure codes in 2023. Medicare paid $86,869 for them. Every service was in an office.
Dr. Bresnahan's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 6832023: 57416%
- Other services
- 2022: 5922023: 38735%
- Tests and treatments
- 2022: 3842023: 26132%
- Drugs given in the office
- 2022: 662023: 5812%
Dr. Bresnahan compared with the Massachusetts median for internists, 2023
- Dr. Bresnahan
- Massachusetts median
- Medicare services
- 1,280vs 4313.0 times
- Part D claims
- 785vs 40295% above
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Bresnahan's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Bresnahan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bresnahan and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Henry Bresnahan's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Bresnahan's median patient age at 69, with 39% women.
Dr. Bresnahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women39%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Michael Henry Bresnahan wrote 1,036 Medicare Part D claims in 2024
In 2024, Dr. Bresnahan wrote 1,036 Medicare Part D claims for 315 patients. 90% of them were for generic drugs. CMS names the drug for 785 of them, across 24 drugs with 11 or more claims each, at $49,332 in total drug cost. In 2023, CMS named 5,722 claims across 97 drugs.
Dr. Bresnahan's Part D claims by kind of drug, 2024
- Generic933 claims90%
- Brand-name and other103 claims10%
Dr. Bresnahan'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: 5,7222024: 78586%
Drugs named by CMS: 24 in 2024, 97 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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Dr. Michael Henry Bresnahan received $574 in industry payments from 2016 to 2018
CMS Open Payments shows 46 general payments to Dr. Bresnahan from 6 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $409.
General payments to Dr. Bresnahan by program year, 2016 to 2018
Companies that paid Dr. Bresnahan the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Henry Bresnahan graduated from New York University School of Medicine
Dr. Bresnahan graduated from New York University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Henry Bresnahan'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 Data |
| 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 Dr. Michael Henry Bresnahan
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. Michael Henry Bresnahan's NPI number?
Dr. Michael Henry Bresnahan's NPI number is 1255405973. It was assigned on November 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Henry Bresnahan?
Dr. Michael Henry Bresnahan is an internist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Henry Bresnahan practice?
Dr. Bresnahan practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Bresnahan's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Bresnahan to 2 group practices and clinics and 1 medical group.
What is Dr. Michael Henry Bresnahan's office phone number?
The practice phone on file for Dr. Bresnahan is (781) 744-5100.
What is Dr. Michael Henry Bresnahan's medical license number?
Dr. Bresnahan holds Massachusetts license 55004.
Which hospitals is Dr. Michael Henry Bresnahan affiliated with?
Dr. Bresnahan practices at Lahey Clinic in Burlington, Massachusetts.
What medical group is Dr. Michael Henry Bresnahan part of?
Dr. Bresnahan is linked to Beth Israel Lahey Health Primary Care, Winchester Family Physicians. Dmand AI links Dr. Bresnahan to 1 more medical group.
Does Dr. Michael Henry Bresnahan accept Medicare?
Yes. CMS data shows Dr. Bresnahan billed Medicare for 1,280 services in 2023.
What services does Dr. Michael Henry Bresnahan bill to Medicare?
In 2023, Dr. Bresnahan's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and office visit, established patient (99214).
Where did Dr. Michael Henry Bresnahan go to medical school?
Dr. Bresnahan graduated from New York University School of Medicine in 1983.
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What drugs does Dr. Michael Henry Bresnahan prescribe most?
In 2024 Medicare Part D data, Dr. Bresnahan's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Michael Henry Bresnahan received payments from drug or device companies?
CMS Open Payments shows $574 in general payments to Dr. Bresnahan from 6 companies from 2016 to 2018. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Michael Henry Bresnahan been practicing?
Dr. Bresnahan graduated from medical school in 1983, 43 years ago.
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