Doctor profile · Federal record
Dr. Cathrine St Denis, FNP-C
Family Nurse Practitioner (CMS: Nurse Practitioner) · Rockville Centre, NY
- NPI 1225456197
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1000 N Village Ave
Rockville Centre, NY 115701000
(516) 705-2525 - Mailing address
-
78 Lockwood Ave
Farmingdale, NY 117354511
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- New York #F338405-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225456197. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
204
Distinct HCPCS
6
Medicare allowed
$17,911
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 75 | 75 | $55 | |
99285 |
Emergency department visit with high level of medical decision making | 57 | 57 | $147 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 26 | 26 | $81 | |
99284 |
Emergency department visit with moderate level of medical decision making | 19 | 19 | $102 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 14 | 14 | $30 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $70 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 43. This provider delivers 4.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
33
Patients
33
Total drug cost
$257
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 33 | 33 | $257 |
Hospital affiliations
Frequently asked questions
What is Dr. Cathrine St Denis's medical specialty?
Dr. Cathrine St Denis practices Family Nurse Practitioner in Rockville Centre, NY.
Where does Dr. Cathrine St Denis practice?
Dr. Cathrine St Denis practices at 1000 N Village Ave, Rockville Centre, NY 115701000. Office phone: 5167052525.
What is Dr. Cathrine St Denis's NPI?
Dr. Cathrine St Denis's National Provider Identifier (NPI) is 1225456197, issued by NPPES.
Does Dr. Cathrine St Denis accept Medicare assignment?
Yes. Dr. Cathrine St Denis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cathrine St Denis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Emergency department visit with high level of medical decision making (HCPCS 99285); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.