Margaret E. Naclerio

  • Boston, MA
  • Physician assistant
NPI1205307600PAC ID4082953997
Medicare patients, 2024
222
Part D claims, 2024
443
Hospital affiliations
6
Industry payments
$430
Medical groups
2
Practice address
75 Francis Street, Boston, MA 02115
Practice phone
Call (617) 732-5500
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Brigham and Women's Hospital

Hospital · Boston, Massachusetts

See all 10 affiliations

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Margaret E. Naclerio is a physician assistant in Boston, Massachusetts

Margaret Naclerio practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.

Margaret Naclerio's NPI, 1205307600, was assigned on December 10, 2018. Margaret Naclerio holds Massachusetts license PA6753.

NPI and contact details
Medicare PAC ID
4082953997
NPI enumeration date
December 10, 2018
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
34
Medical school graduation
2018

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

Margaret E. Naclerio practices at Brigham and Women's Hospital in Boston, Massachusetts

Margaret Naclerio'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.

Source: Dmand AI Affiliation Data

Margaret E. Naclerio is affiliated with 8 sites of care and 2 medical groups

Margaret Naclerio's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Margaret Naclerio is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Margaret Naclerio to 4 more hospitals, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group, each named with a free account.

See all 10 affiliations for Margaret Naclerio

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Margaret E. Naclerio's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Naclerio practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Brigham and Women's HospitalAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Margaret E. Naclerio is one of 3,922 physician assistants in Massachusetts

Physician assistant is Margaret Naclerio's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Margaret Naclerio is licensed in Massachusetts.

Specialties and state licenses

  • Physician assistant, MassachusettsPrimaryLicense PA6753 · taxonomy 363A00000X

Physician assistants near Margaret Naclerio

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

Margaret E. Naclerio treated 222 Medicare patients in 2024, average age 73

CMS counts 222 Medicare patients who saw Margaret Naclerio in 2024. The largest group is 65 to 74, with 99 patients. 71% of them have high cholesterol, and 65% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Margaret Naclerio's median patient age at 71, with 47% women.

Medicare patients, 2024222
Average age73
Average risk score1.43
Also on Medicaid15%

Margaret Naclerio's Medicare patients by age, 2024

Margaret Naclerio's Medicare patients by sex, 2024

  • Women11351%
  • Men10949%

Chronic conditions among Margaret Naclerio's Medicare patients, 2024

  1. High cholesterol71%
  2. High blood pressure65%
  3. Arthritis61%
  4. Anxiety33%
  5. Mood disorders30%
  6. Ischemic heart disease27%
  7. Depression26%
  8. Chronic kidney disease23%

Share of Medicare patients with each condition. A patient can have several.

Margaret Naclerio's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women47%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Margaret E. Naclerio wrote 443 Medicare Part D claims in 2024

In 2024, Margaret Naclerio wrote 443 Medicare Part D claims for 80 patients. 89% of them were for generic drugs.

Part D claims, 2024443
Part D patients80

Margaret Naclerio's Part D claims by kind of drug, 2024

  • Generic394 claims89%
  • Brand-name49 claims11%

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

Margaret E. Naclerio offers telehealth to Medicare patients

Margaret Naclerio accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Margaret Naclerio as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Margaret E. Naclerio received $430 in industry payments in 2025

CMS Open Payments shows 2 general payments to Margaret Naclerio from 1 drug or device company in 2025. Consulting fees make up the largest share, 65% of the total. UCB, Inc. paid the most, $430.

General payments to Margaret Naclerio by kind, 2025 to 2025

$430in total
  • Consulting fees$28065%
  • Food and beverage$15035%

Companies that paid Margaret Naclerio the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Margaret Naclerio

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

Sources for Margaret E. Naclerio'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Margaret E. Naclerio

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 E. Naclerio's NPI number?

Margaret E. Naclerio's NPI number is 1205307600. It was assigned on December 10, 2018, and it is active in the NPI Registry.

What does Margaret E. Naclerio specialize in?

Margaret E. Naclerio is a physician assistant in Boston, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Margaret E. Naclerio practice?

Margaret Naclerio practices at 75 Francis Street, Boston, MA 02115. Margaret Naclerio's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Margaret Naclerio to 4 hospitals, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group.

What is Margaret E. Naclerio's office phone number?

The practice phone on file for Margaret Naclerio is (617) 732-5500.

What is Margaret E. Naclerio's medical license number?

Margaret Naclerio holds Massachusetts license PA6753.

Which hospitals is Margaret E. Naclerio affiliated with?

Margaret Naclerio practices at Brigham and Women's Hospital in Boston, Massachusetts. Margaret Naclerio is also affiliated with Massachusetts General Hospital. Dmand AI links Margaret Naclerio to 4 more hospitals.

What medical group is Margaret E. Naclerio part of?

Margaret Naclerio is linked to Brigham and Women's Hospital. Dmand AI links Margaret Naclerio to 1 more medical group.

Does Margaret E. Naclerio accept Medicare?

Yes. CMS lists Margaret Naclerio as accepting Medicare assignment.

Does Margaret E. Naclerio offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Margaret Naclerio as offering telehealth services.

How many Medicare patients does Margaret E. Naclerio see?

CMS counts 222 Medicare patients who saw Margaret Naclerio in 2024, with an average age of 73.

Has Margaret E. Naclerio received payments from drug or device companies?

CMS Open Payments shows $430 in general payments to Margaret Naclerio from 1 company from 2025 to 2025. The largest total came from UCB, Inc.

How long has Margaret E. Naclerio been practicing?

Margaret Naclerio graduated from medical school in 2018, 8 years ago.

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