Doctor profile · Federal record
Dr. Yaiza Martinez-Ortiz, MD
Gastroenterology Physician (CMS: Gastroenterology) · San Juan, PR
- NPI 1134413701
- Accepts Medicare
- 15 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
29 Washington Street, Ashford Medical Center Ste 601-602
San Juan, PR 00907
(787) 249-9560
fax (509) 275-5604 - Mailing address
-
29 Calle Washington Ste 601-602
San Juan, PR 009071510
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- November 28, 2023
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Puerto Rico #18688
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134413701. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
15
Distinct HCPCS
1
Medicare allowed
$1,278
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 12 | $85 |
In context: peer comparison
Among 18 peers in San Juan Gastroenterology Physician, average services per provider: 40. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$232
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tempus Ai, INC | 2 | $122.20 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $87.50 | |
| Abbvie INC. | 1 | $21.87 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
374
Patients
217
Total drug cost
$8,633
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 136 | 58 | $1,072 |
| Famotidine | Generic | 74 | 37 | $777 |
| Suprep (Sodium, Potassium,Mag Sulfates) | Brand | 54 | 54 | $6,201 |
| Midazolam Hcl (Midazolam Hcl/Pf) | Brand | 49 | 40 | $138 |
| Fentanyl Citrate (Fentanyl Citrate/Pf) | Brand | 34 | 28 | $127 |
| Ondansetron Hcl | Generic | 16 | 0 | $141 |
| Esomeprazole Magnesium | Generic | 11 | 0 | $176 |
Frequently asked questions
What is Dr. Yaiza Martinez-Ortiz's medical specialty?
Dr. Yaiza Martinez-Ortiz practices Gastroenterology Physician in San Juan, PR.
Where does Dr. Yaiza Martinez-Ortiz practice?
Dr. Yaiza Martinez-Ortiz practices at 29 Washington Street, San Juan, PR 00907. Office phone: 7872499560.
What is Dr. Yaiza Martinez-Ortiz's NPI?
Dr. Yaiza Martinez-Ortiz's National Provider Identifier (NPI) is 1134413701, issued by NPPES.
Does Dr. Yaiza Martinez-Ortiz accept Medicare assignment?
Yes. Dr. Yaiza Martinez-Ortiz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yaiza Martinez-Ortiz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.