Mazen Shobassy, MD
NPI 1417290115 · Gastroenterology Physician · Marble Falls, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mazen Shobassy, MD is a Gastroenterology Physician provider in Marble Falls, TX (NPI 1417290115).
Provider details
- NPI number
- 1417290115
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- Q8150 (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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
899 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 | 191 | $93 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 187 | $126 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 173 | $226 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 170 | $39 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 92 | $70 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 261 | 104 |
| Omeprazole | 226 | 78 |
| Ondansetron Hcl | 189 | 181 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 137 | 136 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 126 | 121 |
| Colestipol Hcl | 83 | 23 |
| Lipase/Protease/Amylasebrand: Creon | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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)
- 2301 Holmes StKansas City, MO 64108-2640Phone: (816) 404-4175Fax: (816) 404-0003
Registry dates
- Enumerated
- 2013-04-01
- Last updated
- 2020-10-16
- Certified
- 2020-10-16
Frequently asked questions
- What is Mazen Shobassy's NPI number?
- Mazen Shobassy's National Provider Identifier (NPI) is 1417290115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mazen Shobassy's specialty?
- Mazen Shobassy is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mazen Shobassy located?
- Mazen Shobassy's practice location on file with NPPES is 800 W Highway 71, Marble Falls, TX 78654.
- What is Mazen Shobassy's phone number?
- The practice phone number listed in the NPPES registry for Mazen Shobassy is (830) 201-7100.
- Does Mazen Shobassy accept Medicare?
- Mazen Shobassy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mazen Shobassy's NPI active?
- Yes — Mazen Shobassy's NPI (1417290115) is active in the NPPES registry as of the last update on 2020-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.