Cassandra Sylvain, AGNP
NPI 1730782236 · Adult Health Nurse Practitioner · Brooklyn, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Sylvain, AGNP is a Adult Health Nurse Practitioner provider in Brooklyn, NY (NPI 1730782236).
Provider details
- NPI number
- 1730782236
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGNP
- Sex
- Female
- Sole proprietor
- No
- License
- F310065-01 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
71 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $87 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 15 | $106 |
Typical Medicare-allowed amounts for these services range $87–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 154 | 86 |
| Atorvastatin Calcium | 126 | 64 |
| Metformin Hcl | 59 | 27 |
| Lisinopril | 59 | 31 |
| Pravastatin Sodium | 54 | 23 |
| Losartan Potassium | 53 | 28 |
| Simvastatin | 44 | 25 |
Practice location
Mailing address
Additional practice locations (1)
- 447 Atlantic AveBrooklyn, NY 11217-1702Phone: (718) 858-6300Fax: (718) 858-0145
Registry dates
- Enumerated
- 2020-11-17
- Last updated
- 2021-10-06
- Certified
- 2021-10-06
Frequently asked questions
- What is Cassandra Sylvain's NPI number?
- Cassandra Sylvain's National Provider Identifier (NPI) is 1730782236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Sylvain's specialty?
- Cassandra Sylvain is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Sylvain located?
- Cassandra Sylvain's practice location on file with NPPES is 195 Montague St, Brooklyn, NY 11201-3628.
- What is Cassandra Sylvain's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Sylvain is (718) 422-8000.
- Does Cassandra Sylvain accept Medicare?
- Cassandra Sylvain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Sylvain's NPI active?
- Yes — Cassandra Sylvain's NPI (1730782236) is active in the NPPES registry as of the last update on 2021-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.