Greg Galler, MD
NPI 1548356827 · Gastroenterology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Galler, MD is a Gastroenterology Physician provider in Houston, TX (NPI 1548356827).
Provider details
- NPI number
- 1548356827
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J6111 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 575 | 551 |
| Omeprazole | 255 | 71 |
| Pantoprazole Sodium | 251 | 77 |
| Famotidine | 92 | 31 |
| Balsalazide Disodium | 56 | 11 |
| Mesalamine | 53 | 13 |
| Azathioprine | 46 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 2 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
Additional practice locations (1)
- 1111 Augusta DrHouston, TX 77057-2209Phone: (713) 442-2400
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2020-04-22
- Certified
- 2020-04-22
Frequently asked questions
- What is Greg Galler's NPI number?
- Greg Galler's National Provider Identifier (NPI) is 1548356827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Galler's specialty?
- Greg Galler is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Galler located?
- Greg Galler's practice location on file with NPPES is 2727 W Holcombe Blvd, Houston, TX 77025-1669.
- What is Greg Galler's phone number?
- The practice phone number listed in the NPPES registry for Greg Galler is (713) 442-0000.
- Does Greg Galler accept Medicare?
- Greg Galler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Galler's NPI active?
- Yes — Greg Galler's NPI (1548356827) is active in the NPPES registry as of the last update on 2020-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.