Doctor profile · Federal record
Dr. Maria Justiniano, M.D.
Rheumatology Physician (CMS: Rheumatology) · Mayaguez, PR
- NPI 1619084217
- Accepts Medicare
- 28 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
Calle de Diego #115 Este
Mayaguez, PR 00680
(787) 806-3939
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- November 30, 2011
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Puerto Rico #16393
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619084217. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
197
Distinct HCPCS
5
Medicare allowed
$24,324
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 125 | 56 | $125 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 23 | 18 | $146 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 17 | $76 | |
20610 |
Aspiration and/or injection of fluid from large joint | 14 | 12 | $63 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $219 |
In context: peer comparison
Among 3 peers in Mayaguez Rheumatology Physician, average services per provider: 41. This provider delivers 4.8× the peer median.Open Payments
Industry payments received
All-time total
$52
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 2 | $28.76 | |
| Abbvie INC. | 1 | $23.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
9,374
Patients
2,314
Total drug cost
$165,194
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 1,625 | 299 | $12,553 |
| Gabapentin | Generic | 1,541 | 357 | $8,698 |
| Methotrexate (Methotrexate Sodium) | Brand | 1,166 | 175 | $20,335 |
| Tizanidine Hcl | Generic | 1,063 | 382 | $13,038 |
| Hydroxychloroquine Sulfate | Generic | 701 | 135 | $21,996 |
| Alendronate Sodium | Generic | 600 | 163 | $3,941 |
| Omega-3 Acid Ethyl Esters | Generic | 545 | 140 | $27,688 |
| Leflunomide | Generic | 512 | 74 | $37,846 |
| Meloxicam | Generic | 462 | 188 | $1,674 |
| Allopurinol | Generic | 319 | 65 | $2,490 |
Frequently asked questions
What is Dr. Maria Justiniano's medical specialty?
Dr. Maria Justiniano practices Rheumatology Physician in Mayaguez, PR.
Where does Dr. Maria Justiniano practice?
Dr. Maria Justiniano practices at Calle de Diego #115 Este, Mayaguez, PR 00680. Office phone: 7878063939.
What is Dr. Maria Justiniano's NPI?
Dr. Maria Justiniano's National Provider Identifier (NPI) is 1619084217, issued by NPPES.
Does Dr. Maria Justiniano accept Medicare assignment?
Yes. Dr. Maria Justiniano accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Justiniano 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 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.