Doctor profile · Federal record
Dr. Mariana Zapata, MD
Hepatology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Gastroenterology Physician · New Orleans, LA
- NPI 1821528076
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1514 Jefferson Hwy
New Orleans, LA 701212429
(504) 842-5790
fax (504) 842-0191 - Additional location
-
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 643-0596
Credentials & registration
- NPI registered
- June 2017 — 9 yrs on file
- Profile last updated
- September 1, 2023
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207RI0008X — NUCC code
- State licenses (2)
- Louisiana #336376 · Massachusetts #271942
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821528076. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
112
Distinct HCPCS
6
Medicare allowed
$9,818
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 33 | $96 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 20 | $63 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 17 | 11 | $117 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $147 | |
91200 |
Measurement of liver stiffness | 12 | 12 | $10 |
In context: peer comparison
Among 1 peers in New Orleans Hepatology Physician, average services per provider: 18. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$120
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Orphalan INC | 1 | $92.19 | |
| Fujifilm Healthcare Americas Corporation | 1 | $27.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
16
Patients
0
Total drug cost
$181
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Spironolactone | Generic | 16 | 0 | $181 |
Frequently asked questions
What is Dr. Mariana Zapata's medical specialty?
Dr. Mariana Zapata practices Hepatology Physician in New Orleans, LA.
Where does Dr. Mariana Zapata practice?
Dr. Mariana Zapata practices at 1514 Jefferson Hwy, New Orleans, LA 701212429. Office phone: 5048425790.
What is Dr. Mariana Zapata's NPI?
Dr. Mariana Zapata's National Provider Identifier (NPI) is 1821528076, issued by NPPES.
Does Dr. Mariana Zapata accept Medicare assignment?
Yes. Dr. Mariana Zapata accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariana Zapata commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.