Provider Profile
Marissa L. Dundas, PA-C is a physician assistant practicing in Newark, NJ. Marissa trained at Rutgers New Jersey Medical School, graduating in 2023. According to Medicare claims data, Marissa cared for 27 Medicare patients across 27 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes and emergency department visit with high level of medical decision making.
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.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
201 LYONS AVE
Newark, NJ 07112
27 services · 27 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
16 | Less often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
11 | 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.
Marissa L. Dundas is a physician assistant in Newark, NJ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Marissa L. Dundas is listed at 201 Lyons Ave, Newark, NJ 07112. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (973) 926-7000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Marissa L. Dundas's National Provider Identifier is 1497430912. 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
Marissa L. Dundas attended Rutgers New Jersey Medical School, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Marissa L. Dundas has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Marissa L. Dundas the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Marissa L. Dundas. 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.