Robert Wai, MD
NPI 1134181308 · Obstetrics & Gynecology Physician · Grapevine, TX
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Wai, MD is a Obstetrics & Gynecology Physician provider in Grapevine, TX (NPI 1134181308).
Provider details
- NPI number
- 1134181308
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- J6271 (TX)
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
20 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
578 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) |
|---|---|---|
| Manual Urinalysis Test With Examination Using Microscope, Non-Automated81000 | 130 | $4 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $126 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 81 | $38 |
| Colorectal Cancer Screening; Fecal Occult Blood Test, Immunoassay, 1-3 SimultaneousG0328 | 76 | $18 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 76 | $43 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 148 | 58 |
| Estrogen,con/M-Progest Acetbrand: Prempro | 19 | — |
| Estrogens, Conjugatedbrand: Premarin | 16 | — |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 15 | — |
| Valacyclovir Hclbrand: Valacyclovir | 15 | — |
| Levothyroxine Sodium | 15 | — |
| Nitrofurantoin Monohyd/M-Cryst |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,321 across 33 records (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
- 2006-04-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Wai's NPI number?
- Robert Wai's National Provider Identifier (NPI) is 1134181308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Wai's specialty?
- Robert Wai is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Wai located?
- Robert Wai's practice location on file with NPPES is 1600 W College, Grapevine, TX 76051.
- What is Robert Wai's phone number?
- The practice phone number listed in the NPPES registry for Robert Wai is (817) 481-5863.
- Does Robert Wai accept Medicare?
- Robert Wai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Wai's NPI active?
- Yes — Robert Wai's NPI (1134181308) 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.