Cathrine St Denis, FNP-C
Family Nurse Practitioner · Rockville Centre, NY
Cathrine St Denis, FNP-C is a family nurse practitioner with a practice address in Rockville Centre, New York, and NPI 1225456197, issued on Mar 28, 2014. Check the license (New York F338405-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cathrine St Denis
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F338405-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Village Ave, Rockville Centre, NY 11570
- Phone
- (516) 705-2525
- Enumerated
- Mar 28, 2014
- Record last updated
- Mar 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150924001524); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 1000 N Village Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nazia Ahmad, PHARM DPharmacist1124318324
- Jonathan Akilov, PAPhysician Assistant1700410701
- Emily Alberto, DPTPhysical Therapist1013419126
Verify Cathrine St Denis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F338405-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family nurse practitioner in 2024
148 Medicare Part D claims for 125 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin28 claims
- Amoxicillin-Clavulanate Potass16 claims
- Doxycycline Hyclate13 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.
Bills Medicare through one group practice
- Elliot Professional ServicesManchester, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cathrine St Denis among 14,805 family nurse practitioner records in New York
Cathrine St Denis, FNP-C is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 30% of them.
- NPI issued2014 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2013 · median 2019 among the 7,239 with a school on file
- Record last updated2014 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family nurse practitioner records list a practice address in Rockville Centre
They are 39 of the 1,340 NPPES records with a practice address in Rockville Centre, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Rockville Centre → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jeannie Bernard, FNPRockville Centre, NY 115701740532894
- Bridgett Burroughs, FNPRockville Centre, NY 115701265842843
- Lyndsey Chernick, NPRockville Centre, NY 115701477934917
- Marjory David, FNPRockville Centre, NY 115701801996335
- Janice Dey, FNPRockville Centre, NY 115701114249935
- Gerilyn Feltham, FNPRockville Centre, NY 115701538493168
- Shennel Huggins, NPRockville Centre, NY 115701811396674
- Kathleen Lamaute, FNPRockville Centre, NY 115701073746087
Common questions
What is Cathrine St Denis, FNP-C's NPI number?
Cathrine St Denis, FNP-C's National Provider Identifier (NPI) is 1225456197, issued on Mar 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Cathrine St Denis, FNP-C located?
The NPPES record lists a practice address at 1000 N Village Ave, Rockville Centre, NY, 11570. Phone: (516) 705-2525. Providers update this record themselves, so call before visiting.
How can I verify Cathrine St Denis, FNP-C's license?
NPPES lists New York license number F338405-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Cathrine St Denis, FNP-C prescribe under Medicare Part D?
In 2024, Cathrine St Denis, FNP-C had 148 Medicare Part D claims for 125 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.