Doctor profile · Federal record

Dr. Chaim Wanounou, PA

Medical Physician Assistant (CMS: Physician Assistant) · Brooklyn, NY

  • NPI 1285630848
  • 26 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Ross St
Brooklyn, NY 112117672
(718) 387-7628
Mailing address
1648 Ryder St
Brooklyn, NY 112344307

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
December 21, 2011
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
New York #007367

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285630848. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
77
Distinct HCPCS
3
Medicare allowed
$6,594
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 40 33 $90
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $113
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 12 11 $16

In context: peer comparison

Among 43 peers in Brooklyn Medical Physician Assistant, average services per provider: 90. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$114
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 4 $98.14
Takeda Pharmaceuticals U.S.A., INC. 1 $15.49

By nature of payment

Food and Beverage
$114

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,208
Patients
296
Total drug cost
$76,059
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 378 49 $3,658
Levothyroxine Sodium Generic 246 29 $2,689
Amlodipine Besylate Generic 212 25 $1,087
Metformin Hcl Generic 181 22 $1,173
Metoprolol Succinate Generic 148 23 $1,612
Lisinopril Generic 139 15 $715
Sertraline Hcl Generic 139 19 $1,370
Tamsulosin Hcl Generic 118 15 $2,238
Hydrochlorothiazide Generic 114 13 $592
Simvastatin Generic 108 15 $1,096

Frequently asked questions

Auto-generated from federal data
What is Dr. Chaim Wanounou's medical specialty?
Dr. Chaim Wanounou practices Medical Physician Assistant in Brooklyn, NY.
Where does Dr. Chaim Wanounou practice?
Dr. Chaim Wanounou practices at 100 Ross St, Brooklyn, NY 112117672. Office phone: 7183877628.
What is Dr. Chaim Wanounou's NPI?
Dr. Chaim Wanounou's National Provider Identifier (NPI) is 1285630848, issued by NPPES.
Does Dr. Chaim Wanounou accept Medicare assignment?
Dr. Chaim Wanounou does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Chaim Wanounou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (HCPCS 87880). Source: CMS Medicare Physician & Other Practitioners file.