William Onyebeke, MD
NPI 1013927466 · Obstetrics & Gynecology Physician · Bay Shore, NY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Onyebeke, MD is a Obstetrics & Gynecology Physician provider in Bay Shore, NY (NPI 1013927466).
Provider details
- NPI number
- 1013927466
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 160122 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
221 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 56 | $47 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 56 | $52 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $149 |
| Pelvic Exam99459 | 44 | $27 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $101 |
Typical Medicare-allowed amounts for these services range $27–$149 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluconazole | 51 | 18 |
| Estradiol | 46 | 14 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 38 | 21 |
| Valacyclovir Hclbrand: Valacyclovir | 34 | — |
| Metronidazole | 24 | 16 |
| Medroxyprogesterone Acetate | 21 | — |
| Terconazole | 18 | 15 |
| Acyclovir |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Onyebeke's NPI number?
- William Onyebeke's National Provider Identifier (NPI) is 1013927466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Onyebeke's specialty?
- William Onyebeke is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is William Onyebeke located?
- William Onyebeke's practice location on file with NPPES is 46 Brentwood Rd, Bay Shore, NY 11706-6924.
- What is William Onyebeke's phone number?
- The practice phone number listed in the NPPES registry for William Onyebeke is (631) 206-1384.
- Does William Onyebeke accept Medicare?
- William Onyebeke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Onyebeke's NPI active?
- Yes — William Onyebeke's NPI (1013927466) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.