Robert B. Wai, MD
Obstetrics & Gynecology Physician · Grapevine, TX
Robert B. Wai, MD is an obstetrics & gynecology physician with a practice address in Grapevine, Texas, and NPI 1134181308, issued on Apr 4, 2006. Check the license (Texas J6271, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert B. Wai
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- J6271 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1600 W College, Grapevine, TX 76051
- Phone
- (817) 481-5863
- Enumerated
- Apr 4, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (817) 329-8561
- Medicare enrollment
- Enrolled (PECOS I20120417000814); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Also registered at 1600 W College
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julia Flowers, MDObstetrics & Gynecology Physician1669433140
Verify Robert B. Wai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J6271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
363 Medicare Part D claims for 109 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Estradiol148 claims
- Prempro19 claims
- Premarin16 claims
- Clotrimazole-Betamethasone15 claims
- Levothyroxine Sodium15 claims
- Valacyclovir15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $3,320.53
33 payments; by number, the most common kind was food and beverage; the largest payer was Mimedx Group, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Healthtexas Provider NetworkGrapevine, TX
- Ob/gyn OF North Texas LLPGrapevine, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert B. Wai among 3,524 obstetrics & gynecology physician records in Texas
Robert B. Wai, MD is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2005 among the 2,093 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 obstetrics & gynecology physician records list a practice address in Grapevine
They are 18 of the 1,104 NPPES records with a practice address in Grapevine, and 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Grapevine → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Edward Clark, M.D.Grapevine, TX 760511730294232
- Alan Cowen, MDGrapevine, TX 760511649396920
- Julia Flowers, MDGrapevine, TX 760511669433140
- Joseph Kilianski, MDGrapevine, TX 760511912935768
- Cynthia Mace-Motta, D.OGrapevine, TX 760511366448102
- Angelo Mendez, M.D.Grapevine, TX 760511144226242
- Doreen Moser, D.O.Grapevine, TX 760511194721944
- Kerry Neal, MDGrapevine, TX 760511417073701
Common questions
What is Robert B. Wai, MD's NPI number?
Robert B. Wai, MD's National Provider Identifier (NPI) is 1134181308, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert B. Wai, MD located?
The NPPES record lists a practice address at 1600 W College, Grapevine, TX, 76051. Phone: (817) 481-5863. Providers update this record themselves, so call before visiting.
How can I verify Robert B. Wai, MD's license?
NPPES lists Texas license number J6271, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert B. Wai, MD prescribe under Medicare Part D?
In 2024, Robert B. Wai, MD had 363 Medicare Part D claims for 109 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.