Mariana C. Zapata, MD
Hepatology Physician · New Orleans, LA
Mariana C. Zapata, MD is a hepatology physician with a practice address in New Orleans, Louisiana, and NPI 1821528076, issued on Jun 19, 2017. Check the license (Louisiana 336376, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mariana C. Zapata
- Credential
- MD
- Primary taxonomy
- Hepatology Physician 207RI0008X
- License numbers
- 336376 LA
271942 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1514 Jefferson Hwy, New Orleans, LA 70121
- Phone
- (504) 842-5790
- Enumerated
- Jun 19, 2017
- Record last updated
- Sep 1, 2023
- Fax
- (504) 842-0191
- Medicare enrollment
- Enrolled (PECOS I20231017002744); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1514 Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyson Abbas, CRNACertified Registered Nurse Anesthetist1568608909
- Ahmed AbdallahNephrology Physician1396449401
- Mohammed Abdelsalam, MDInternal Medicine Physician1922740190
- Freddy Abi-Samra, MDClinical Cardiac Electrophysiology Physician1346207354
- Fiyinfoluwa Abraham, MDGastroenterology Physician1487141636
- Tunde AbubakarStudent in an Organized Health Care Education/Training Program1487357307
Verify Mariana C. Zapata in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 336376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average hepatology physician in 2024
529 Medicare Part D claims for 133 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Spironolactone77 claims
- Ursodiol56 claims
- Furosemide52 claims
- Tacrolimus41 claims
- Xifaxan27 claims
- Lactulose24 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: $120.11
2 payments; by number, the most common kind was food and beverage; the largest payer was Orphalan Inc. The 177 providers of this specialty with any payment received $18,492.64 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
- Ochsner Clinic LLCNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hepatology Physician providers in Louisiana
There are 8 hepatology physician records in Louisiana.
Other hepatology physician records in Louisiana
- Molly Delk, MDNew Orleans, LA1679967236
- Nigel Girgrah, MD PHDNew Orleans, LA1568667038
- John Gosserand, MDAlexandria, LA1356371231
- Shobha Joshi, M.D.New Orleans, LA1346327822
- Manohar Maramraj, MDAlexandria, LA1497867485
- George Therapondos, MDNew Orleans, LA1093099715
- Peng-Sheng Ting, M.D.New Orleans, LA1912393968
Common questions
What is Mariana C. Zapata, MD's NPI number?
Mariana C. Zapata, MD's National Provider Identifier (NPI) is 1821528076, issued on Jun 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mariana C. Zapata, MD located?
The NPPES record lists a practice address at 1514 Jefferson Hwy, New Orleans, LA, 70121. Phone: (504) 842-5790. Providers update this record themselves, so call before visiting.
How can I verify Mariana C. Zapata, MD's license?
NPPES lists Louisiana license number 336376, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mariana C. Zapata, MD prescribe under Medicare Part D?
In 2024, Mariana C. Zapata, MD had 529 Medicare Part D claims for 133 beneficiaries; the average among hepatology physician prescribers was 762. 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.