Provider Profile
Vivian HUI SUM Macdonald, PA-C
Unclaimed ProfileAbout Vivian Macdonald
Listed in the NPI registry as a physician assistant, Vivian HUI SUM Macdonald, PA-C practices in Concord, NH. Medicare claims data shows Vivian provided 423 services to 342 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (603) 227-7000
- Email not available
Practice Locations
246 PLEASANT STREET MEMORIAL BUILDING, WEST, GROUND FLO
Concord, NH 03301
Procedures Most Often Billed to Medicare
423 services · 342 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
55 | More often than most peers in Physician Assistant |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
55 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
136 | More often than most peers in Physician Assistant |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
113 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
36 | Less often than most peers in Physician Assistant |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
14 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
14 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Concord 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 8
Providers in NH who bill this service to Medicare most often.
Common questions
What is Vivian HUI SUM Macdonald's specialty?
Vivian HUI SUM Macdonald is a physician assistant in Concord, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Vivian HUI SUM Macdonald?
Vivian HUI SUM Macdonald is listed at 246 Pleasant Street Memorial Building, West, Ground Flo, Concord, NH 03301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Vivian HUI SUM Macdonald?
The number on file is (603) 227-7000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Vivian HUI SUM Macdonald?
Vivian HUI SUM Macdonald's National Provider Identifier is 1114242807. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Vivian HUI SUM Macdonald's education?
Vivian HUI SUM Macdonald attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Vivian HUI SUM Macdonald have?
Vivian HUI SUM Macdonald has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Vivian HUI SUM Macdonald known for?
According to Medicare billing data, Vivian HUI SUM Macdonald provides treatments such as exercise or drug-induced heart stress test with electrocardiogram with review by physician and exercise or drug-induced heart stress test with electrocardiogram with supervision by physician, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Vivian HUI SUM Macdonald's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Vivian HUI SUM Macdonald. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.