OI WAH STEPHANIE YAP (MD) – Gynecologic Oncology Physician, NPI 1396745923
Gynecologic Oncology Physician
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Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,266 OBSTETRICS/GYNECOLOGY in GA
Provider Addresses for OI WAH STEPHANIE YAP (MD)
960 JOHNSON FERRY RD NE
SUITE 130
ATLANTA, GA 303421631
Phone: (404) 300-2990
Fax: (404) 300-2986
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $955.
Total Amount is formed as General ($955) + Research ($0) + Ownership ($0) = $955.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($149).
Total Amount
$955
General + Research + Ownership
Payments
37
Total payment records
General Amount
$955
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $149 |
| AstraZeneca Pharmaceuticals LP | $143 |
| GlaxoSmithKline, LLC. | $140 |
| Seagen Inc. | $117 |
| Becton, Dickinson and Company | $102 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-08-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050816000159 | I | Obstetrics/Gynecology | GA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 69 | 47 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 57 | 40 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 51 | 51 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 44 | 39 | $0 |
| 58571 | Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less | 22 | 22 | $0 |
Insurance plans in this area (ZIP 30342)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | FL | |
| Nurse Practitioner | GA | |
| General Surgery | GA | |
| Colorectal Surgery (Proctology) | GA | |
| - | GA | |
| - | GA | |
| Vascular Surgery | GA | |
| - | GA | |
| - | GA | |
| - | GA |
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