Howard Hamat, MD
NPI 1376537605 · Gastroenterology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Hamat, MD is a Gastroenterology Physician provider in Houston, TX (NPI 1376537605).
Provider details
- NPI number
- 1376537605
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A0100449 (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
2,156 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 673 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 264 | $130 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 240 | $64 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 233 | $85 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 167 | $91 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 559 | 250 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 449 | 437 |
| Pantoprazole Sodium | 184 | 82 |
| Linaclotidebrand: Linzess | 107 | 39 |
| Famotidine | 100 | 42 |
| Esomeprazole Magnesium | 79 | 36 |
| Amitriptyline Hcl | 79 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,514 across 89 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
- 2005-09-01
- Last updated
- 2010-07-15
Frequently asked questions
- What is Howard Hamat's NPI number?
- Howard Hamat's National Provider Identifier (NPI) is 1376537605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Hamat's specialty?
- Howard Hamat is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Hamat located?
- Howard Hamat's practice location on file with NPPES is 275 Lantern Bend Dr, Houston, TX 77090-2831.
- What is Howard Hamat's phone number?
- The practice phone number listed in the NPPES registry for Howard Hamat is (281) 440-0101.
- Does Howard Hamat accept Medicare?
- Howard Hamat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Hamat's NPI active?
- Yes — Howard Hamat's NPI (1376537605) is active in the NPPES registry as of the last update on 2010-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.