Provider Profile
Marissa McCarron, PA is a physician assistant practicing in Islandia, NY. Medicare claims data shows Marissa provided 232 services to 216 patients. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
3001 EXPRESSWAY DR N STE 104
Islandia, NY 11749
1743 N Ocean Ave
Medford, NY 11763
232 services · 216 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein (3 years or older) | Procedure | 36410 |
19 | As often as other 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 |
104 | More often than most peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
56 | As often as other 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 |
27 | Less often 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 |
26 | 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 McCarron is a physician assistant in Islandia, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Marissa McCarron is listed at 3001 Expressway Dr N Ste 104, Islandia, NY 11749. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 435-0110. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Marissa McCarron's National Provider Identifier is 1689804593. 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 McCarron attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
Marissa McCarron has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Marissa McCarron performs procedures including insertion of needle into vein, alongside routine visits and testing. 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 McCarron. 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.