Cassandra D. Sylvain, AGNP
Adult Health Nurse Practitioner · Brooklyn, NY
Cassandra D. Sylvain, AGNP is an adult health nurse practitioner with a practice address in Brooklyn, New York, and NPI 1730782236, issued on Nov 17, 2020. Check the license (New York F310065-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra D. Sylvain
- Credential
- AGNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- F310065-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 195 Montague St, Brooklyn, NY 11201
- Phone
- (718) 422-8000
- Enumerated
- Nov 17, 2020
- Record last updated
- Oct 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (718) 422-8265
- Medicare enrollment
- Enrolled (PECOS I20210727003476); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Also registered at 195 Montague St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Singhoi Chow, MDInternal Medicine Physician1932117884
- Eileen Cottell, FNP-BCFamily Nurse Practitioner1184096075
- Melida CoxMental Health Counselor1093165185
Verify Cassandra D. Sylvain 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 F310065-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average adult health nurse practitioner in 2024
1,578 Medicare Part D claims for 381 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amlodipine Besylate154 claims
- Atorvastatin Calcium126 claims
- Lisinopril59 claims
- Metformin Hcl59 claims
- Pravastatin Sodium54 claims
- Losartan Potassium53 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
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassandra D. Sylvain among 6,028 adult health nurse practitioner records in New York
Cassandra D. Sylvain, AGNP is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 74% of them.
- NPI issued2020 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2020 · median 2016 among the 2,678 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in New York
There are 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in Brooklyn → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Tess Aldrich, NPBrooklyn, NY 112011427389048
- Rachel Babendreier, NPBrooklyn, NY 112011467874784
- Ariel Doxey, NPBrooklyn, NY 112011891492468
- Zinnatun Hasan, N.P.Brooklyn, NY 112011215046875
- Vanya JonesBrooklyn, NY 112011265943773
- Rajkamal Kaur, AGPCNP-BCBrooklyn, NY 112011063037653
- Yevgeny Komm, NPBrooklyn, NY 112011558856211
- Nayale Lafleur, NPBrooklyn, NY 112011821591603
Common questions
What is Cassandra D. Sylvain, AGNP's NPI number?
Cassandra D. Sylvain, AGNP's National Provider Identifier (NPI) is 1730782236, issued on Nov 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra D. Sylvain, AGNP located?
The NPPES record lists a practice address at 195 Montague St, Brooklyn, NY, 11201. Phone: (718) 422-8000. Providers update this record themselves, so call before visiting.
How can I verify Cassandra D. Sylvain, AGNP's license?
NPPES lists New York license number F310065-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra D. Sylvain, AGNP prescribe under Medicare Part D?
In 2024, Cassandra D. Sylvain, AGNP had 1,578 Medicare Part D claims for 381 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.