Mazen Nezar Shobassy, MD
Gastroenterology Physician · Marble Falls, TX
Mazen Nezar Shobassy, MD is a gastroenterology physician with a practice address in Marble Falls, Texas, and NPI 1417290115, issued on Apr 1, 2013. Check the license (Texas Q8150, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mazen Nezar Shobassy
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- Q8150 TX
Self-reported in NPPES; status is on the state search - Practice location
- 800 W Highway 71, Marble Falls, TX 78654
- Phone
- (830) 201-7100
- Enumerated
- Apr 1, 2013
- Record last updated
- Oct 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (830) 201-7304
- Medicare enrollment
- Enrolled (PECOS I20190612003954); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 800 W Highway 71
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Prashanth Adapala, M.D.Hematology & Oncology Physician1740484336
- Muhannad Al Hanayneh, M.D.Gastroenterology Physician1417203803
- Robert Anthony, M.D.Obstetrics & Gynecology Physician1598892309
- Mercedes Banigan, PAPhysician Assistant1952515926
- Candice Black, AGACNPAcute Care Nurse Practitioner1902201635
- Jennifer Bliss, M.D.Obstetrics & Gynecology Physician1801182415
Verify Mazen Nezar Shobassy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q8150Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average gastroenterology physician in 2024
1,242 Medicare Part D claims for 541 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Pantoprazole Sodium261 claims
- Omeprazole226 claims
- Ondansetron Hcl189 claims
- Sod Sulf-Potass Sulf-Mag Sulf137 claims
- Sutab126 claims
- Colestipol Hcl83 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $21.64
1 payment: food and beverage; the largest payer was Coloplast Corp. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Scott And White ClinicTemple, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazen Nezar Shobassy among 1,478 gastroenterology physician records in Texas
Mazen Nezar Shobassy, MD is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2013 · median 2003 among the 1,175 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Texas
There are 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in Marble Falls → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Muhannad Al Hanayneh, M.D.Marble Falls, TX 786541417203803
- Apurva Trivedi, M.D.Marble Falls, TX 786541871771857
- Jason Welch, D.O.Marble Falls, TX 786541013144641
- Rambie Briggs, MDJonestown, TX 786451639101819
- Imo Akpan, M.D.Round Rock, TX 786651760625289
- Raja Koteswar Dhanekula, MDRound Rock, TX 786651447546379
- Raja Gopal Reddy Edula, M.DRound Rock, TX 786651568454064
- Chiranjeevi Gadiparthi, MD MPHRound Rock, TX 786651255565131
Common questions
What is Mazen Nezar Shobassy, MD's NPI number?
Mazen Nezar Shobassy, MD's National Provider Identifier (NPI) is 1417290115, issued on Apr 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Nezar Shobassy, MD located?
The NPPES record lists a practice address at 800 W Highway 71, Marble Falls, TX, 78654. Phone: (830) 201-7100. Providers update this record themselves, so call before visiting.
How can I verify Mazen Nezar Shobassy, MD's license?
NPPES lists Texas license number Q8150, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mazen Nezar Shobassy, MD prescribe under Medicare Part D?
In 2024, Mazen Nezar Shobassy, MD had 1,242 Medicare Part D claims for 541 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.