Daniel Patrick Breen, PA-C

  • Worcester, MA
  • Physician assistant
NPI1457413783
Part D claims, 2024
96
Hospital affiliations
1
Industry payments
$40
Medical group
1
State license
1
Practice address
123 Summer Street, Worcester, MA 01608
Practice phone
Call (508) 363-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Saint Vincent Hospital

Hospital · Worcester, Massachusetts

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Daniel Patrick Breen is a physician assistant in Worcester, Massachusetts

Daniel Breen practices at Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare.

Daniel Breen's NPI, 1457413783, was assigned on December 14, 2006. Daniel Breen holds Massachusetts license 2140.

NPI and contact details
NPI enumeration date
December 14, 2006
NPI status
Active
Practice phone
(508) 363-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Daniel Patrick Breen practices at Saint Vincent Hospital in Worcester, Massachusetts

Daniel Breen's primary practice is Saint Vincent Hospital, at 123 Summer Street, Worcester, MA 01608 in Worcester County. The practice phone is (508) 363-5000.

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Daniel Patrick Breen is affiliated with 1 site of care and 1 medical group

Daniel Breen's primary practice is Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare. The medical group on file is UH Partners (UHP).

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Daniel Patrick Breen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Breen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Saint Vincent HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Daniel Patrick Breen is one of 725 physician assistants in Massachusetts

Medical is Daniel Breen's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Daniel Breen is licensed in Massachusetts.

Specialties and state licenses

  • Medical physician assistant, MassachusettsPrimaryLicense 2140 · taxonomy 363AM0700X

Physician assistants near Daniel Breen

Counts of physician assistants 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

Daniel Patrick Breen's patients have a median age of 80

Across all payers, Dmand AI patient panel data puts Daniel Breen's median patient age at 80, with 33% women.

Daniel Breen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 80

Patient panel by sex, all payers

  • Women33%
  • Men67%

Source: Dmand AI Patient Panel Data

Daniel Patrick Breen wrote 96 Medicare Part D claims in 2024

In 2024, Daniel Breen wrote 96 Medicare Part D claims for 74 patients. 98% of them were for generic drugs.

Part D claims, 202496
Part D patients74

Daniel Breen's Part D claims by kind of drug, 2024

  • Generic94 claims98%
  • Brand-name and other2 claims2%

Drug classes CMS tracks in Daniel Breen's Part D claims, 2024

  • Antibiotics14%13 of 96 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Daniel Patrick Breen received $40 in industry payments in 2025

CMS Open Payments shows 2 general payments to Daniel Breen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $40.

Companies that paid Daniel Breen the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Daniel Breen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Daniel Patrick Breen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Daniel Patrick Breen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Daniel Patrick Breen's NPI number?

Daniel Patrick Breen's NPI number is 1457413783. It was assigned on December 14, 2006, and it is active in the NPI Registry.

What does Daniel Patrick Breen specialize in?

Daniel Patrick Breen is a physician assistant in Worcester, Massachusetts. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Daniel Patrick Breen practice?

Daniel Breen practices at 123 Summer Street, Worcester, MA 01608. Daniel Breen's primary practice is Saint Vincent Hospital in Worcester, Massachusetts, part of Tenet Healthcare.

What is Daniel Patrick Breen's office phone number?

The practice phone on file for Daniel Breen is (508) 363-5000.

What is Daniel Patrick Breen's medical license number?

Daniel Breen holds Massachusetts license 2140.

Which hospitals is Daniel Patrick Breen affiliated with?

Daniel Breen practices at Saint Vincent Hospital in Worcester, Massachusetts.

What medical group is Daniel Patrick Breen part of?

Daniel Breen is linked to UH Partners (UHP).

Has Daniel Patrick Breen received payments from drug or device companies?

CMS Open Payments shows $40 in general payments to Daniel Breen from 1 company from 2025 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).

How long has Daniel Patrick Breen been practicing?

Daniel Breen graduated from medical school in 2006, 20 years ago.

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