Margaret B. Duddy, APRN
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 34
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- 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 Margaret Duddy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Margaret B. Duddy is a family nurse practitioner in Boston, Massachusetts
Margaret Duddy practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Margaret Duddy's NPI, 1528342193, was assigned on September 30, 2011. Margaret Duddy holds Massachusetts license RN2264173.
- NPI
- 1528342193NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820263577
- NPI enumeration date
- September 30, 2011
- NPI status
- Active
- Accepts Medicare assignment
- 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)
Margaret B. Duddy practices at Brigham and Women's Hospital in Boston, Massachusetts
Margaret Duddy'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
Margaret B. Duddy is affiliated with 4 sites of care and 2 medical groups
Margaret Duddy's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Margaret Duddy is also affiliated with Brigham and Women's Faulkner Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Margaret Duddy to 1 more group practice or clinic, 1 hospital outpatient department and 1 medical group, each named with a free account. Margaret Duddy's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Margaret B. Duddy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Duddy 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 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Margaret B. Duddy is one of 3,644 family nurse practitioners in Massachusetts
Family is Margaret Duddy's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Margaret Duddy is licensed in Massachusetts.
Specialties and state licenses
- Family nurse practitioner, MassachusettsPrimary
Family nurse practitioners near Margaret Duddy
Counts of family nurse practitioners 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
Margaret B. Duddy treated 16 Medicare patients in 2024, average age 66
CMS counts 16 Medicare patients who saw Margaret Duddy in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Margaret Duddy's median patient age at 37, with 59% women.
Margaret Duddy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Margaret Duddy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Margaret B. Duddy wrote 34 Medicare Part D claims in 2024
In 2024, Margaret Duddy wrote 34 Medicare Part D claims for 23 patients. 91% of them were for generic drugs.
Margaret Duddy's Part D claims by kind of drug, 2024
- Generic31 claims91%
- Brand-name and other3 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Margaret B. Duddy takes part in Medicare
Margaret Duddy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Margaret B. Duddy'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 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 (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) |
| 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 Margaret B. Duddy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Margaret B. Duddy's NPI number?
Margaret B. Duddy's NPI number is 1528342193. It was assigned on September 30, 2011, and it is active in the NPI Registry.
What does Margaret B. Duddy specialize in?
Margaret B. Duddy is a family nurse practitioner in Boston, Massachusetts. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Margaret B. Duddy practice?
Margaret Duddy practices at 75 Francis Street, Boston, MA 02115. Margaret Duddy's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Margaret Duddy to 1 group practice or clinic, 1 hospital outpatient department and 1 medical group.
What is Margaret B. Duddy's office phone number?
The practice phone on file for Margaret Duddy is (617) 732-5500.
What is Margaret B. Duddy's medical license number?
Margaret Duddy holds Massachusetts license RN2264173.
Which hospitals is Margaret B. Duddy affiliated with?
Margaret Duddy practices at Brigham and Women's Hospital in Boston, Massachusetts. Margaret Duddy is also affiliated with Brigham and Women's Faulkner Hospital.
What medical group is Margaret B. Duddy part of?
Margaret Duddy is linked to Brigham and Women's Hospital. Dmand AI links Margaret Duddy to 1 more medical group.
Does Margaret B. Duddy accept Medicare?
Yes. CMS lists Margaret Duddy as accepting Medicare assignment.
How many Medicare patients does Margaret B. Duddy see?
CMS counts 16 Medicare patients who saw Margaret Duddy in 2024, with an average age of 66.
How long has Margaret B. Duddy been practicing?
Margaret Duddy graduated from medical school in 2011, 15 years ago.
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