NPPES file of Aug 9, 2026

Vivian Hui Sum Macdonald, PA-C

Physician Assistant · Concord, NH

Vivian Hui Sum Macdonald, PA-C is a physician assistant with a practice address in Concord, New Hampshire, and NPI 1114242807, issued on Apr 6, 2010. Check the license (New Hampshire 1177, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114242807
Name
Vivian Hui Sum Macdonald
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
1177 NH
PA3956 MA
Self-reported in NPPES; status is on the state search
Practice location
246 Pleasant Street Memorial Building, West, Ground Flo, Concord, NH 03301
Phone
(603) 227-7000
Enumerated
Apr 6, 2010
Record last updated
Jul 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(603) 227-7191
Medicare enrollment
Enrolled (PECOS I20160923000291); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 246 Pleasant Street Memorial Building, West, Ground Flo

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Martin Black, M.D.Pulmonary Disease Physician1598938482
  2. Nicole Brent, APRNAcute Care Nurse Practitioner1306496385
  3. Eric Cameron, APRNFamily Nurse Practitioner1326589938
  4. Carla Drew-Moyer, APRNFamily Nurse Practitioner1528467750
  5. Michael Ferguson, MDInterventional Cardiology Physician1033189899
  6. Lauren Gelzinis, PA-CPhysician Assistant1154982874

Verify Vivian Hui Sum Macdonald in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 1177
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New Hampshire license search

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2.0 times the Medicare Part D claims of the average physician assistant in 2024

1,689 Medicare Part D claims for 289 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Vivian Macdonald1,689
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium218 claims
  2. Metoprolol Succinate217 claims
  3. Clopidogrel142 claims
  4. Furosemide134 claims
  5. Metoprolol Tartrate102 claims
  6. Eliquis81 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 89.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score72.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $27.36

1 payment: food and beverage; the largest payer was Abiomed. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vivian Macdonald$27.36
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Concord Hospital IncConcord, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

102 physician assistant records list a practice address in Concord

They are 102 of the 3,103 NPPES records with a practice address in Concord, and 947 physician assistant records in New Hampshire.

Other physician assistant records in New Hampshire

  1. Micala Abbiati, PA-CBedford, NH1437702123
  2. Robin Abeles, PA-CNorth Conway, NH1285119875
  3. Maud AbessNew London, NH1174715452
  4. Rosemarie Addante, PA-CLebanon, NH1356846752
  5. Anna Adler, PA-CLebanon, NH1578216677
  6. Lisa Ahava, PAChesterfield, NH1487693453
  7. Ssara AhmmedManchester, NH1144140138
  8. Liliana Rose Akin, PA-S2Manchester, NH1205793551
  9. Matthew Alexander, PHD, PA-SLebanon, NH1548721517
  10. David Allen, PANashua, NH1952337982

Common questions

What is Vivian Hui Sum Macdonald, PA-C's NPI number?

Vivian Hui Sum Macdonald, PA-C's National Provider Identifier (NPI) is 1114242807, issued on Apr 6, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Vivian Hui Sum Macdonald, PA-C located?

The NPPES record lists a practice address at 246 Pleasant Street Memorial Building, West, Ground Flo, Concord, NH, 03301. Phone: (603) 227-7000. Providers update this record themselves, so call before visiting.

How can I verify Vivian Hui Sum Macdonald, PA-C's license?

NPPES lists New Hampshire license number 1177, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Vivian Hui Sum Macdonald, PA-C prescribe under Medicare Part D?

In 2024, Vivian Hui Sum Macdonald, PA-C had 1,689 Medicare Part D claims for 289 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Vivian Hui Sum Macdonald, PA-C's MIPS final score?

The 2023 MIPS final score is 89.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.