Greg Wayne Galler, MD
Gastroenterology Physician · Houston, TX
Greg Wayne Galler, MD is a gastroenterology physician with a practice address in Houston, Texas, and NPI 1548356827, issued on Oct 5, 2006. Check the license (Texas J6111, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Greg Wayne Galler
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- J6111 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2727 W Holcombe Blvd, Houston, TX 77025
- Phone
- (713) 442-0000
- Enumerated
- Oct 5, 2006
- Record last updated
- Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 105644202 TX
105644203 TX
105644204 TX - Medicare enrollment
- Enrolled (PECOS I20040301001209); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1986
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 2727 W Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kanza Abbas, M.D.Hematology & Oncology Physician1396065934
- Lena Abraham, CRNACertified Registered Nurse Anesthetist1780003053
- Amy AcostaPharmacist1154786838
- George Adesina, M.D.Cardiovascular Disease Physician1457642647
- Donald Aga, MDInternal Medicine Physician1093749103
- Fayyaz Ahmed, MDRheumatology Physician1669435996
Verify Greg Wayne Galler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J6111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,929 Medicare Part D claims for 826 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf575 claims
- Omeprazole255 claims
- Pantoprazole Sodium251 claims
- Famotidine92 claims
- Balsalazide Disodium56 claims
- Mesalamine53 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: $29.63
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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
- Kelsey-Seybold Medical Group, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg Wayne Galler among 1,478 gastroenterology physician records in Texas
Greg Wayne Galler, 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1986 · 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 Houston → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Nanfu Deng, MDHouston, TX 770251396241196
- Tushar Dharia, M.D.Houston, TX 770251043317605
- Francisco Garcia-Torres, MDHouston, TX 770251184710469
- John Hughes, MDHouston, TX 770251881780161
- Sahil Mittal, M.D.Houston, TX 770251326242900
- Yamini Natarajan, M.D.Houston, TX 770251528392354
- Homayon Sidiq, M.D.Houston, TX 770251033301502
- Ned Snyder, MDHouston, TX 770251568521953
Common questions
What is Greg Wayne Galler, MD's NPI number?
Greg Wayne Galler, MD's National Provider Identifier (NPI) is 1548356827, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg Wayne Galler, MD located?
The NPPES record lists a practice address at 2727 W Holcombe Blvd, Houston, TX, 77025. Phone: (713) 442-0000. Providers update this record themselves, so call before visiting.
How can I verify Greg Wayne Galler, MD's license?
NPPES lists Texas license number J6111, 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 Greg Wayne Galler, MD prescribe under Medicare Part D?
In 2024, Greg Wayne Galler, MD had 1,929 Medicare Part D claims for 826 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.