Fayez Seif, MD
NPI 1861591604 · Gastroenterology Physician · Mesquite, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fayez Seif, MD is a Gastroenterology Physician provider in Mesquite, TX (NPI 1861591604).
Provider details
- NPI number
- 1861591604
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K1055 (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
19 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
908 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 168 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $121 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 126 | $242 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 103 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $88 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 750 | 724 |
| Omeprazole | 600 | 198 |
| Pantoprazole Sodium | 75 | 31 |
| Rabeprazole Sodium | 65 | 25 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 51 | 49 |
| Linaclotidebrand: Linzess | 50 | 24 |
| Colesevelam Hcl | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$948 across 50 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
- 2006-09-21
- Last updated
- 2013-05-16
Frequently asked questions
- What is Fayez Seif's NPI number?
- Fayez Seif's National Provider Identifier (NPI) is 1861591604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fayez Seif's specialty?
- Fayez Seif is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Fayez Seif located?
- Fayez Seif's practice location on file with NPPES is 2694 N Galloway Ave, Mesquite, TX 75150.
- What is Fayez Seif's phone number?
- The practice phone number listed in the NPPES registry for Fayez Seif is (972) 681-2226.
- Does Fayez Seif accept Medicare?
- Fayez Seif is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fayez Seif's NPI active?
- Yes — Fayez Seif's NPI (1861591604) is active in the NPPES registry as of the last update on 2013-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.