Melvin K. Lau, MD
Gastroenterology Physician · Round Rock, TX
Melvin K. Lau, MD is a gastroenterology physician with a practice address in Round Rock, Texas, and NPI 1407006836, issued on Sep 22, 2008. Check the license (Texas M6250, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Melvin K. Lau
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- M6250 TX
Self-reported in NPPES; status is on the state search - Practice location
- 300 University Blvd Bldg A, Round Rock, TX 78665
- Phone
- (512) 509-0200
- Enumerated
- Sep 22, 2008
- Record last updated
- Oct 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (512) 509-2229
- Medicare enrollment
- Enrolled (PECOS I20101207000272); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2004
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 300 University Blvd Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Imo Akpan, M.D.Gastroenterology Physician1760625289
- Samantha Alvarez, PA-CMedical Physician Assistant1790086866
- Sandy Anne, M.D.Hematology & Oncology Physician1558688168
- Andrew Barner, MSN, RN, AGACNP-BCNurse Practitioner1104339670
- Jayshree Bhakta, PT, DPTPhysical Therapist1437307048
- Mark Billante, M.D.Orthopaedic Surgery Physician1740493188
Verify Melvin K. Lau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M6250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average gastroenterology physician in 2024
218 Medicare Part D claims for 97 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf36 claims
- Omeprazole28 claims
- Pantoprazole Sodium18 claims
- Esomeprazole Magnesium11 claims
- Sucralfate11 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: $46.43
2 payments; by number, the most common kind was food and beverage; the largest payer was Olympus America Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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 one group practice
- Scott And White ClinicTemple, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melvin K. Lau among 1,478 gastroenterology physician records in Texas
Melvin K. Lau, MD is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2004 · median 2003 among the 1,175 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Texas
There are 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in Round Rock → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Imo Akpan, M.D.Round Rock, TX 786651760625289
- Bryce Bushe, M.D.Round Rock, TX 786651114338829
- Raja Koteswar Dhanekula, MDRound Rock, TX 786651447546379
- Raja Gopal Reddy Edula, M.DRound Rock, TX 786651568454064
- Chiranjeevi Gadiparthi, MD MPHRound Rock, TX 786651255565131
- Aline Ghaleb, M.D.Round Rock, TX 786651821179920
- Robert Just, M.D.Round Rock, TX 786651235171471
- Phillip Levine, MDRound Rock, TX 786651619235660
Common questions
What is Melvin K. Lau, MD's NPI number?
Melvin K. Lau, MD's National Provider Identifier (NPI) is 1407006836, issued on Sep 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Melvin K. Lau, MD located?
The NPPES record lists a practice address at 300 University Blvd Bldg A, Round Rock, TX, 78665. Phone: (512) 509-0200. Providers update this record themselves, so call before visiting.
How can I verify Melvin K. Lau, MD's license?
NPPES lists Texas license number M6250, 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 Melvin K. Lau, MD prescribe under Medicare Part D?
In 2024, Melvin K. Lau, MD had 218 Medicare Part D claims for 97 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.