Dr. Fiona Mary Breslin, MD
- Medicare services, 2024
- 407
- Medicare patients, 2024
- 399
- Part D claims, 2024
- 82
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 85 Herrick Street, Beverly, MA 01915
- Practice phone
- Call (978) 922-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Breslin's professional email, personal email and mobile number
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Dr. Fiona Mary Breslin is an emergency medicine physician in Beverly, Massachusetts
Dr. Breslin practices at Beverly Hospital in Beverly, Massachusetts, part of Beth Israel Lahey Health.
Dr. Breslin's NPI, 1942295902, was assigned on September 15, 2005. Dr. Breslin holds Massachusetts license 212731.
- NPI
- 1942295902NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830152842
- NPI enumeration date
- September 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 922-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Fiona Mary Breslin practices at Beverly Hospital in Beverly, Massachusetts
Dr. Breslin's primary practice is Beverly Hospital, at 85 Herrick Street, Beverly, MA 01915 in Essex County. The practice phone is (978) 922-3000.
- Beverly Hospital85 Herrick Street, Beverly, MA 01915 · Essex CountyPhone(978) 922-3000
Source: Dmand AI Affiliation Data
Dr. Fiona Mary Breslin is affiliated with 2 sites of care and 1 medical group
Dr. Breslin's primary practice is Beverly Hospital in Beverly, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Beth Israel Lahey Health. Dmand AI also links Dr. Breslin to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Fiona Mary Breslin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Breslin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beverly Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Fiona Mary Breslin is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Breslin's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Breslin is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Breslin
Counts of emergency medicine physicians 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. Fiona Mary Breslin billed Medicare for 407 services in 2024
CMS data shows 407 Medicare services from Dr. Breslin across 4 procedure codes in 2024, for 399 Medicare patients. Medicare paid $50,542 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Breslin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4582024: 40711%
Dr. Breslin compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Breslin
- Massachusetts median
- Medicare services
- 407vs 34119% above
- Medicare patients
- 399vs 33718% above
- Part D claims
- 11vs 3669% below
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Breslin'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. Fiona Mary Breslin treated 399 Medicare patients in 2024, average age 76
CMS counts 399 Medicare patients who saw Dr. Breslin in 2024. The largest group is 75 to 84, with 144 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.86, 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. Breslin's median patient age at 65, with 55% women.
Dr. Breslin's Medicare patients by age, 2024
Dr. Breslin's Medicare patients by sex, 2024
- Women21654%
- Men18346%
Chronic conditions among Dr. Breslin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Anxiety53%
- Mood disorders51%
- Ischemic heart disease47%
- Depression44%
- Chronic kidney disease42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Breslin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Fiona Mary Breslin wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Breslin wrote 82 Medicare Part D claims for 65 patients. 90% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $78 in total drug cost. In 2021, CMS named 15 claims across 1 drug.
Dr. Breslin's Part D claims by kind of drug, 2024
- Generic74 claims90%
- Brand-name and other8 claims10%
Dr. Breslin's most prescribed drugs by claims, 2023
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. Breslin's Part D claims, 2024
- Opioids17%14 of 82 claims
- Antibiotics46%38 of 82 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, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 152023: 1127%
Drugs named by CMS: 1 in 2023, 1 in 2021.
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. Fiona Mary Breslin scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Breslin for performance year 2024, reported through an alternative payment model (APM). Dr. Breslin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Breslin's MIPS scores, performance year 2024
- 92of 100Final score
- 76.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Sources for Dr. Fiona Mary Breslin'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)Clinician Public Reporting: Overall MIPS Performance (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. Fiona Mary Breslin
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. Fiona Mary Breslin's NPI number?
Dr. Fiona Mary Breslin's NPI number is 1942295902. It was assigned on September 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Fiona Mary Breslin?
Dr. Fiona Mary Breslin is an emergency medicine physician in Beverly, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Fiona Mary Breslin practice?
Dr. Breslin practices at 85 Herrick Street, Beverly, MA 01915. Dr. Breslin's primary practice is Beverly Hospital in Beverly, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Breslin to 1 group practice or clinic.
What is Dr. Fiona Mary Breslin's office phone number?
The practice phone on file for Dr. Breslin is (978) 922-3000.
What is Dr. Fiona Mary Breslin's medical license number?
Dr. Breslin holds Massachusetts license 212731.
Which hospitals is Dr. Fiona Mary Breslin affiliated with?
Dr. Breslin practices at Beverly Hospital in Beverly, Massachusetts.
What medical group is Dr. Fiona Mary Breslin part of?
Dr. Breslin is linked to Beth Israel Lahey Health.
Does Dr. Fiona Mary Breslin accept Medicare?
Yes. CMS data shows Dr. Breslin billed Medicare for 407 services in 2024, and Dr. Breslin accepts Medicare assignment.
What is Dr. Fiona Mary Breslin's MIPS score?
Dr. Breslin's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Fiona Mary Breslin see?
CMS counts 399 Medicare patients who saw Dr. Breslin in 2024, with an average age of 76.
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What services does Dr. Fiona Mary Breslin bill to Medicare?
In 2024, Dr. Breslin's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
What drugs does Dr. Fiona Mary Breslin prescribe most?
In 2023 Medicare Part D data, Dr. Breslin's most prescribed drugs by claims were Cephalexin.
How long has Dr. Fiona Mary Breslin been practicing?
Dr. Breslin graduated from medical school in 1997, 29 years ago.
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