Daniel Darmadi, MD
NPI 1407849946 · Gastroenterology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Darmadi, MD is a Gastroenterology Physician provider in Houston, TX (NPI 1407849946).
Provider details
- NPI number
- 1407849946
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L2212 (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
1,499 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 305 | $127 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 262 | $78 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 215 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 125 | $91 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 108 | $63 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Esomeprazole Magnesium | 711 | 234 |
| Pantoprazole Sodium | 560 | 203 |
| Omeprazole | 550 | 218 |
| Famotidine | 239 | 97 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 198 | 193 |
| Linaclotidebrand: Linzess | 188 | 68 |
| Dicyclomine Hcl | 154 | 66 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,258 across 58 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
- 2005-08-30
- Last updated
- 2010-07-21
Frequently asked questions
- What is Daniel Darmadi's NPI number?
- Daniel Darmadi's National Provider Identifier (NPI) is 1407849946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Darmadi's specialty?
- Daniel Darmadi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Darmadi located?
- Daniel Darmadi's practice location on file with NPPES is 444 Fm 1959 Rd, Houston, TX 77034-5416.
- What is Daniel Darmadi's phone number?
- The practice phone number listed in the NPPES registry for Daniel Darmadi is (281) 481-9400.
- Does Daniel Darmadi accept Medicare?
- Daniel Darmadi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Darmadi's NPI active?
- Yes — Daniel Darmadi's NPI (1407849946) is active in the NPPES registry as of the last update on 2010-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.