Doctor profile · Federal record

Dr. William Onyebeke, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Bay Shore, NY

  • NPI 1013927466
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
46 Brentwood RD
Bay Shore, NY 117066924
(631) 206-1384
fax (631) 206-1436

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
New York #160122
Medicaid
NY #01102689

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013927466. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
154
Distinct HCPCS
4
Medicare allowed
$14,031
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 49 36 $149
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 39 39 $48
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 39 39 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 27 23 $106

In context: peer comparison

Among 1 peers in this city , average services per provider: 38. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperSurgical, Inc. 1 $21.71

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
229
Patients
87
Total drug cost
$5,013
Drug Type Claims Patients Total cost
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 49 30 $1,454
Fluconazole Generic 45 25 $200
Terconazole Generic 33 17 $798
Estradiol Generic 32 0 $848
Metronidazole Generic 20 0 $341
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 19 15 $283
Valacyclovir (Valacyclovir Hcl) Brand 19 0 $987
Medroxyprogesterone Acetate Generic 12 0 $103

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Onyebeke's medical specialty?
Dr. William Onyebeke practices Obstetrics & Gynecology Physician in Bay Shore, NY.
Where does Dr. William Onyebeke practice?
Dr. William Onyebeke practices at 46 Brentwood RD, Bay Shore, NY 117066924. Office phone: 6312061384.
What is Dr. William Onyebeke's NPI?
Dr. William Onyebeke's National Provider Identifier (NPI) is 1013927466, issued by NPPES.
Does Dr. William Onyebeke accept Medicare assignment?
Yes. Dr. William Onyebeke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Onyebeke commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.