Provider Profile
Listed in the NPI registry as a nurse practitioner — family, Cathrine St Denis, FNP-C practices in Rockville Centre, NY. Medicare claims data shows Cathrine provided 186 services to 185 patients. The services billed most often include emergency department visit with high level of medical decision making, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and emergency department visit with moderate level of medical decision making. NPI 1225456197 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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.
1000 N VILLAGE AVE
Rockville Centre, NY 11570
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
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Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
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Sleep
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Most searched procedures
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Ear, nose & throat
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Minor procedures
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186 services · 185 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
77 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
77 | As often as other peers in Nurse Practitioner, Family |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
17 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 | Less often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Cathrine St Denis is a nurse practitioner in Rockville Centre, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Cathrine St Denis is listed at 1000 N Village Ave, Rockville Centre, NY 11570. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 705-2525. Contact the office directly to confirm availability and scheduling.
NPI registry
Cathrine St Denis's National Provider Identifier is 1225456197. 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
Cathrine St Denis attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
Cathrine St Denis has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Cathrine St Denis 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 Cathrine St Denis. If this is you, claiming it is free.
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