Doctor profile · Federal record

Dr. Cassandra Sylvain, AGNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Brooklyn, NY

  • NPI 1730782236
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
195 Montague St
Brooklyn, NY 112013628
(718) 422-8000
fax (718) 422-8265
Additional location
447 Atlantic Ave
Brooklyn, NY 112171702
(718) 858-6300
fax (718) 858-0145
Mailing address
55 Water Street, 2Nd Floor Cred Dept
New York, NY 100410010

Credentials & registration

NPPES · NUCC
NPI registered
November 2020 — 6 yrs on file
Profile last updated
October 6, 2021
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
New York #F310065-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730782236. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
159
Distinct HCPCS
3
Medicare allowed
$16,830
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 109 70 $126
83036 Hemoglobin a1c level 28 23 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 22 22 $127

In context: peer comparison

Among 45 peers in this city , average services per provider: 700. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,292
Patients
540
Total drug cost
$25,449
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 270 111 $2,980
Atorvastatin Calcium Generic 175 72 $3,776
Lisinopril Generic 107 42 $1,213
Metformin Hcl Generic 98 43 $1,220
Metoprolol Succinate Generic 77 26 $1,657
Losartan Potassium Generic 73 33 $1,553
Simvastatin Generic 73 32 $893
Rosuvastatin Calcium Generic 62 24 $2,445
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 61 22 $3,931
Amlodipine Besylate-Benazepril (Amlodipine Besylate/Benazepril) Brand 55 26 $1,260

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Sylvain's medical specialty?
Dr. Cassandra Sylvain practices Adult Health Nurse Practitioner in Brooklyn, NY.
Where does Dr. Cassandra Sylvain practice?
Dr. Cassandra Sylvain practices at 195 Montague St, Brooklyn, NY 112013628. Office phone: 7184228000.
What is Dr. Cassandra Sylvain's NPI?
Dr. Cassandra Sylvain's National Provider Identifier (NPI) is 1730782236, issued by NPPES.
Does Dr. Cassandra Sylvain accept Medicare assignment?
Yes. Dr. Cassandra Sylvain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Sylvain commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.