Hillary Ann Du

  • Lynn, MA
  • Physician assistant
NPI1720631492PAC ID5799194478
Medicare patients, 2024
144
Part D claims, 2024
4,327
Industry payments
$1,155
Affiliated sites
1
Medical group
1
Practice address
270 Union St, Lynn, MA 01901
Practice phone
Call (781) 268-2200
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Psychiatric Associates of Lynn

Lynn, Massachusetts

See all 3 affiliations

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Hillary Ann Du is a physician assistant in Lynn, Massachusetts

Hillary Du practices at Psychiatric Associates of Lynn in Lynn, Massachusetts.

Hillary Du's NPI, 1720631492, was assigned on July 22, 2019.

NPI and contact details
Medicare PAC ID
5799194478
NPI enumeration date
July 22, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(781) 268-2200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
33
Medical school graduation
2019

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

Hillary Ann Du practices at Psychiatric Associates of Lynn in Lynn, Massachusetts

Hillary Du's primary practice is Psychiatric Associates of Lynn, at 270 Union St, Lynn, MA 01901 in Essex County. The practice phone is (781) 268-2200.

  • Psychiatric Associates of Lynn
    270 Union St, Lynn, MA 01901 · Essex CountyPhone(781) 268-2200

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Hillary Ann Du is affiliated with 2 sites of care and 1 medical group

Hillary Du's primary practice is Psychiatric Associates of Lynn in Lynn, Massachusetts. The medical group on file is The Psychiatric Associates of Lynn, PC. Dmand AI also links Hillary Du to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Hillary Du

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Hillary Ann Du's practice

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

EHR by site
SiteEHR vendor and product
Psychiatric Associates of LynnAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Hillary Ann Du is one of 3,922 physician assistants in Massachusetts

Physician assistant is Hillary Du's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Hillary Du

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

Hillary Ann Du treated 144 Medicare patients in 2024, average age 57

CMS counts 144 Medicare patients who saw Hillary Du in 2024. The largest group is under 65, with 100 patients. 75% of them have anxiety, and 75% have mood disorders. 83% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Hillary Du's median patient age at 42, with 66% women.

Medicare patients, 2024144
Average age57
Average risk score1.12
Also on Medicaid83%

Hillary Du's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Hillary Du's Medicare patients by sex, 2024

  • Women9063%
  • Men5438%

Chronic conditions among Hillary Du's Medicare patients, 2024

  1. Anxiety75%
  2. Mood disorders75%
  3. Bipolar disorder53%
  4. Depression52%
  5. ADHD and conduct disorders50%
  6. High cholesterol47%
  7. Arthritis38%
  8. High blood pressure38%

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

Hillary Du's patients across all payers

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

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women66%
  • Men33%

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

Hillary Ann Du wrote 4,327 Medicare Part D claims in 2024

In 2024, Hillary Du wrote 4,327 Medicare Part D claims for 266 patients. 93% of them were for generic drugs.

Part D claims, 20244,327
Part D patients266

Hillary Du's Part D claims by kind of drug, 2024

  • Generic4,013 claims93%
  • Brand-name314 claims7%

Drug classes CMS tracks in Hillary Du's Part D claims, 2024

  • Antipsychotics, patients 65 and over3%127 of 4,327 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

Hillary Ann Du offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Hillary Ann Du received $1,155 in industry payments in 2025

CMS Open Payments shows 46 general payments to Hillary Du from 14 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. ITI, Inc. paid the most, $401.

Companies that paid Hillary Du the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Hillary Du

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

Sources for Hillary Ann Du'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Hillary Ann Du

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

What is Hillary Ann Du's NPI number?

Hillary Ann Du's NPI number is 1720631492. It was assigned on July 22, 2019, and it is active in the NPI Registry.

What does Hillary Ann Du specialize in?

Hillary Ann Du is a physician assistant in Lynn, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Hillary Ann Du practice?

Hillary Du practices at 270 Union St, Lynn, MA 01901. Hillary Du's primary practice is Psychiatric Associates of Lynn in Lynn, Massachusetts. Dmand AI also links Hillary Du to 1 group practice or clinic.

What is Hillary Ann Du's office phone number?

The practice phone on file for Hillary Du is (781) 268-2200.

What medical group is Hillary Ann Du part of?

Hillary Du is linked to The Psychiatric Associates of Lynn, PC.

Does Hillary Ann Du accept Medicare?

Yes. CMS lists Hillary Du as accepting Medicare assignment.

Does Hillary Ann Du offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Hillary Du as offering telehealth services.

How many Medicare patients does Hillary Ann Du see?

CMS counts 144 Medicare patients who saw Hillary Du in 2024, with an average age of 57.

Has Hillary Ann Du received payments from drug or device companies?

CMS Open Payments shows $1,155 in general payments to Hillary Du from 14 companies from 2025 to 2025. The largest total came from ITI, Inc.

How long has Hillary Ann Du been practicing?

Hillary Du graduated from medical school in 2019, 7 years ago.

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