Vivian Hui Sum MacDonald, PA-C
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 1,689
- MIPS score, 2024
- 89
- Hospital affiliations
- 3
- Industry payments
- $76
- Practice address
- 250 Pleasant St, Concord, NH 03301
- Practice phone
- Call (603) 225-2711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Vivian Hui Sum MacDonald is a physician assistant in Concord, New Hampshire
Vivian MacDonald practices at Concord Hospital in Concord, New Hampshire, part of Concord Hospital Health System.
Vivian MacDonald's NPI, 1114242807, was assigned on April 6, 2010. Vivian MacDonald holds New Hampshire license 1177.
- NPI
- 1114242807NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961686803
- NPI enumeration date
- April 6, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 225-2711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Vivian Hui Sum MacDonald practices at Concord Hospital in Concord, New Hampshire
Vivian MacDonald's primary practice is Concord Hospital, at 250 Pleasant St, Concord, NH 03301 in Merrimack County. The practice phone is (603) 225-2711.
- Concord Hospital250 Pleasant St, Concord, NH 03301 · Merrimack CountyPhone(603) 225-2711
Source: Dmand AI Affiliation Data
Vivian Hui Sum MacDonald is affiliated with 3 sites of care and 1 medical group
Vivian MacDonald's primary practice is Concord Hospital in Concord, New Hampshire, part of Concord Hospital Health System. Vivian MacDonald is also affiliated with Concord Hospital - Laconia. The medical group on file is Concord Hospital. Dmand AI also links Vivian MacDonald to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Vivian Hui Sum MacDonald's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Vivian MacDonald practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concord Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Concord Hospital Health System and 6.2K+ hospitals, with verified contacts in the same login.
Vivian Hui Sum MacDonald is one of 796 physician assistants in New Hampshire
Physician assistant is Vivian MacDonald's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Vivian MacDonald's licenses on file in 2 states: New Hampshire and Massachusetts.
Specialties and state licenses
- Physician assistant, New HampshirePrimary
- Massachusetts license
Physician assistants near Vivian MacDonald
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
Vivian Hui Sum MacDonald treated 272 Medicare patients in 2024, average age 76
CMS counts 272 Medicare patients who saw Vivian MacDonald in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Vivian MacDonald's median patient age at 75, with 41% women.
Vivian MacDonald's Medicare patients by age, 2024
Vivian MacDonald's Medicare patients by sex, 2024
- Women12747%
- Men14553%
Chronic conditions among Vivian MacDonald's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease62%
- Arthritis45%
- Heart failure42%
- Atrial fibrillation40%
- Diabetes31%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Vivian MacDonald's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Vivian Hui Sum MacDonald wrote 1,689 Medicare Part D claims in 2024
In 2024, Vivian MacDonald wrote 1,689 Medicare Part D claims for 289 patients. 87% of them were for generic drugs.
Vivian MacDonald's Part D claims by kind of drug, 2024
- Generic1,461 claims87%
- Brand-name228 claims13%
Drug classes CMS tracks in Vivian MacDonald's Part D claims, 2024
- Antibiotics1%11 of 1,689 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
Vivian Hui Sum MacDonald scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Vivian MacDonald for performance year 2024, reported through an alternative payment model (APM). Vivian MacDonald accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Vivian MacDonald's MIPS scores, performance year 2024
- 89of 100Final score
- 73.2of 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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Vivian Hui Sum MacDonald received $76 in industry payments in 2025
CMS Open Payments shows 1 general payment to Vivian MacDonald from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $76.
Companies that paid Vivian MacDonald the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Vivian Hui Sum MacDonald'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Vivian Hui Sum MacDonald
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Vivian Hui Sum MacDonald's NPI number?
Vivian Hui Sum MacDonald's NPI number is 1114242807. It was assigned on April 6, 2010, and it is active in the NPI Registry.
What does Vivian Hui Sum MacDonald specialize in?
Vivian Hui Sum MacDonald is a physician assistant in Concord, New Hampshire. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Vivian Hui Sum MacDonald practice?
Vivian MacDonald practices at 250 Pleasant St, Concord, NH 03301. Vivian MacDonald's primary practice is Concord Hospital in Concord, New Hampshire, part of Concord Hospital Health System. Dmand AI also links Vivian MacDonald to 1 hospital.
What is Vivian Hui Sum MacDonald's office phone number?
The practice phone on file for Vivian MacDonald is (603) 225-2711.
What is Vivian Hui Sum MacDonald's medical license number?
Vivian MacDonald holds New Hampshire license 1177, one of the licenses on file in 2 states.
Which states has Vivian Hui Sum MacDonald been licensed in?
Dmand AI has state licenses on file for Vivian MacDonald in New Hampshire and Massachusetts.
Which hospitals is Vivian Hui Sum MacDonald affiliated with?
Vivian MacDonald practices at Concord Hospital in Concord, New Hampshire. Vivian MacDonald is also affiliated with Concord Hospital - Laconia. Dmand AI links Vivian MacDonald to 1 more hospital.
What medical group is Vivian Hui Sum MacDonald part of?
Vivian MacDonald is linked to Concord Hospital.
Does Vivian Hui Sum MacDonald accept Medicare?
Yes. CMS lists Vivian MacDonald as accepting Medicare assignment.
What is Vivian Hui Sum MacDonald's MIPS score?
Vivian MacDonald's MIPS final score for performance year 2024 is 89 out of 100, reported through an alternative payment model (APM).
Show 3 more questionsShow fewer questions
How many Medicare patients does Vivian Hui Sum MacDonald see?
CMS counts 272 Medicare patients who saw Vivian MacDonald in 2024, with an average age of 76.
Has Vivian Hui Sum MacDonald received payments from drug or device companies?
CMS Open Payments shows $76 in general payments to Vivian MacDonald from 1 company from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Vivian Hui Sum MacDonald been practicing?
Vivian MacDonald graduated from medical school in 2009, 17 years ago.
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