Dr. Regan W. Bergmark, MD
- Medicare services, 2024
- 585
- Medicare patients, 2024
- 257
- Part D claims, 2024
- 241
- Publications
- 118
- Hospital affiliations
- 3
- 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. Bergmark's professional email, personal email and mobile number
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Dr. Regan W. Bergmark is an otolaryngologist in Boston, Massachusetts
Dr. Bergmark practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Bergmark's NPI, 1104110683, was assigned on June 2, 2011. Dr. Bergmark graduated from Harvard Medical School in 2011. Dr. Bergmark holds Massachusetts license 266385.
- NPI
- 1104110683NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577797505
- NPI enumeration date
- June 2, 2011
- 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
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Regan W. Bergmark practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Bergmark'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. Regan W. Bergmark is affiliated with 4 sites of care and 3 medical groups
Dr. Bergmark's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Bergmark is also affiliated with Massachusetts Eye and Ear. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Bergmark to 1 more hospital, 2 medical groups and 1 hospital outpatient department, 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. Regan W. Bergmark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bergmark 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 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Regan W. Bergmark is one of 308 otolaryngologists in Massachusetts
Otolaryngology is Dr. Bergmark's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Bergmark is licensed in Massachusetts.
Specialties and state licenses
- Otolaryngology, MassachusettsPrimary
Otolaryngologists near Dr. Bergmark
Counts of otolaryngologists 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. Regan W. Bergmark billed Medicare for 585 services in 2024
CMS data shows 585 Medicare services from Dr. Bergmark across 10 procedure codes in 2024, for 257 Medicare patients. Medicare paid $80,441 for them.
Dr. Bergmark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2682024: 36837%
- Office and hospital visits
- 2023: 1502024: 21745%
Where Dr. Bergmark's Medicare services took place, 2024
- In an office54293%
- In a facility437%
Dr. Bergmark compared with the Massachusetts median for otolaryngologists, 2024
- Dr. Bergmark
- Massachusetts median
- Medicare services
- 585vs 74421% below
- Medicare patients
- 257vs 36329% below
- Part D claims
- 173vs 8994% above
Medians across 303 otolaryngologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Bergmark'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. Bergmark and other otolaryngologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Regan W. Bergmark treated 257 Medicare patients in 2024, average age 72
CMS counts 257 Medicare patients who saw Dr. Bergmark in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bergmark's median patient age at 62, with 60% women.
Dr. Bergmark's Medicare patients by age, 2024
Dr. Bergmark's Medicare patients by sex, 2024
- Women16865%
- Men8935%
Chronic conditions among Dr. Bergmark's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis54%
- Anxiety35%
- Mood disorders33%
- Depression30%
- Ischemic heart disease28%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bergmark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Regan W. Bergmark wrote 241 Medicare Part D claims in 2024
In 2024, Dr. Bergmark wrote 241 Medicare Part D claims for 117 patients. 99% of them were for generic drugs. CMS names the drug for 173 of them, across 5 drugs with 11 or more claims each, at $4,819 in total drug cost. In 2023, CMS named 184 claims across 5 drugs.
Dr. Bergmark's Part D claims by kind of drug, 2024
- Generic238 claims99%
- Brand-name and other3 claims1%
Dr. Bergmark'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. Bergmark's Part D claims, 2024
- Antibiotics15%36 of 241 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: 1842024: 1736%
Drugs named by CMS: 5 in 2024, 5 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. Regan W. Bergmark offers telehealth to Medicare patients
Dr. Bergmark accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bergmark as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Regan W. Bergmark has 118 publications on record
Dmand AI links 118 papers to Dr. Bergmark, published from 2008 to 2025. 2021 was the busiest year, with 14. The most frequent topics are Sinusitis, Rhinitis and COVID-19. Dr. Bergmark has published most often in Otolaryngol Head Neck Surg. Dr. Bergmark's most frequent co-authors are Stacey Tutt Gray, MD, Ahmad Reza Sedaghat, MD, PhD and Shekhar K. Gadkaree, MD.
Dr. Bergmark's papers by year, 2016 to 2025
Topics Dr. Bergmark writes about most
- Sinusitis
- Rhinitis
- COVID-19
- Otolaryngology
- Pandemics
- Healthcare Disparities
- Surgeons
- Socioeconomic Factors
Dr. Bergmark's most frequent co-authors
- Stacey Tutt Gray, MD24 shared papers
- Ahmad Reza Sedaghat, MD, PhD19 shared papers
- Shekhar K. Gadkaree, MD11 shared papers
Recent publications by Dr. Bergmark
Int J Pediatr Otorhinolaryngol
See who Dr. Bergmark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bergmark works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Regan W. Bergmark received $5,268 in industry payments from 2017 to 2025
CMS Open Payments shows 2 general payments to Dr. Bergmark from 2 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $5,250.
General payments to Dr. Bergmark by program year, 2017 to 2025
General payments to Dr. Bergmark by kind, 2017 to 2025
- Consulting fees$5,250100%
- Food and beverage$180%
Companies that paid Dr. Bergmark the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Regan W. Bergmark graduated from Harvard Medical School
Dr. Bergmark graduated from Harvard Medical School in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Regan W. Bergmark'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Regan W. Bergmark
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. Regan W. Bergmark's NPI number?
Dr. Regan W. Bergmark's NPI number is 1104110683. It was assigned on June 2, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Regan W. Bergmark?
Dr. Regan W. Bergmark is an otolaryngologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Regan W. Bergmark practice?
Dr. Bergmark practices at 75 Francis Street, Boston, MA 02115. Dr. Bergmark's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Bergmark to 1 hospital, 2 medical groups and 1 hospital outpatient department.
What is Dr. Regan W. Bergmark's office phone number?
The practice phone on file for Dr. Bergmark is (617) 732-5500.
What is Dr. Regan W. Bergmark's medical license number?
Dr. Bergmark holds Massachusetts license 266385.
Which hospitals is Dr. Regan W. Bergmark affiliated with?
Dr. Bergmark practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Bergmark is also affiliated with Massachusetts Eye and Ear. Dmand AI links Dr. Bergmark to 1 more hospital.
What medical group is Dr. Regan W. Bergmark part of?
Dr. Bergmark is linked to Brigham and Women's Hospital. Dmand AI links Dr. Bergmark to 2 more medical groups.
Does Dr. Regan W. Bergmark accept Medicare?
Yes. CMS data shows Dr. Bergmark billed Medicare for 585 services in 2024, and Dr. Bergmark accepts Medicare assignment.
Does Dr. Regan W. Bergmark offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bergmark as offering telehealth services.
How many Medicare patients does Dr. Regan W. Bergmark see?
CMS counts 257 Medicare patients who saw Dr. Bergmark in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Regan W. Bergmark bill to Medicare?
In 2024, Dr. Bergmark's most billed Medicare services were surgery: lungs and airway (31231), office visit, new patient (99203) and office visit, established patient (99214).
Where did Dr. Regan W. Bergmark go to medical school?
Dr. Bergmark graduated from Harvard Medical School in 2011.
What drugs does Dr. Regan W. Bergmark prescribe most?
In 2024 Medicare Part D data, Dr. Bergmark's most prescribed drugs by claims were Azelastine HCl, Ipratropium Bromide and Fluticasone Propionate.
Has Dr. Regan W. Bergmark received payments from drug or device companies?
CMS Open Payments shows $5,268 in general payments to Dr. Bergmark from 2 companies from 2017 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Regan W. Bergmark been practicing?
Dr. Bergmark graduated from medical school in 2011, 15 years ago.
Does Dr. Regan W. Bergmark do research?
Dmand AI links 118 publications to Dr. Bergmark, published from 2008 to 2025.
Who does Dr. Regan W. Bergmark publish with?
Dr. Bergmark's most frequent co-authors are Stacey Tutt Gray, MD (24 shared papers), Ahmad Reza Sedaghat, MD, PhD (19 shared papers) and Shekhar K. Gadkaree, MD (11 shared papers).
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