Robert B. Wai, MD
NPI 1134181308ActiveIndividual· Obstetrics & Gynecology· Grapevine, TX
Obstetrics & Gynecology (MD) in Grapevine, Texas, trained at University of Tennessee, Hsc, College of Medicine (class of 1991). In 2024 Medicare paid $28,644 for 161 patients, and Part D covered 363 of their prescriptions, 84% of them generic. Mimedx Group, Inc. was the largest of 7 companies reporting payments in 2025, $8,848 in all, mostly consulting fees.
Overview
| NPI | 1134181308 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 4, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | J6271 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 651 across 26 procedure codes |
| Paid by Medicare | $28,644 |
Part D prescriptions in 2024
| Prescriptions (claims) | 363 · 812 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $27,085 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Obstetrics/Gynecology |
Medical groups
- Healthtexas Provider NetworkWaxahachie, TX · 2,697 clinicians
- OB/GYN of North Texas LLPGrapevine, TX · 4 clinicians
Hospital affiliation
- Baylor Scott & White Medical Center GrapevineGrapevine, TX
Industry payments (Open Payments)
- 2025$8,848 · 25 payments from 7 companies
- 2024$3,321 · 33 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mimedx Group, Inc. | $8,600 | 13 |
| Biogen, Inc. | $84.34 | 4 |
| Exeltis, USA Inc. | $49.12 | 3 |
| Dilon Technologies, Inc. | $36.97 | 1 |
| Organon LLC | $36.38 | 2 |
What the 2025 payments were for
- Consulting Fee$8,600 · 13 payments
- Food and Beverage$248.08 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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