Doctor profile · Federal record
Dr. MARIA PEREZ GRAU, MD
Hematology & Oncology Physician · Hematology & Oncology Physician · SAN JUAN, PR
- NPI 1821065855
- 20 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1429 AVE FERNANDEZ JUNCOS, SUITE 4
SAN JUAN, PR 009092658
(787) 946-4401
fax (787) 946-4490 - Mailing address
-
PO BOX 11367
SAN JUAN, PR 00910
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- January 15, 2019
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- Puerto Rico #13570 · Puerto Rico #13270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821065855. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
102
Distinct HCPCS
1
Medicare allowed
$12,895
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 102 | 37 | $126 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 88. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$983
Transactions
43
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 11 | $213.08 | |
| AstraZeneca Pharmaceuticals LP | 7 | $160.03 | |
| Janssen Pharmaceuticals, Inc | 5 | $121.41 | |
| PBG PUERTO RICO LLC | 4 | $95.91 | |
| Amgen Inc. | 3 | $69.46 | |
| Merck Sharp & Dohme LLC | 3 | $65.29 | |
| GlaxoSmithKline, LLC. | 2 | $53.70 | |
| Bayer Puerto Rico Inc. | 2 | $53.54 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $53.53 | |
| Novartis Pharmaceuticals Corporation | 1 | $33.22 | |
| Incyte Corporation | 1 | $29.02 | |
| Karyopharm Therapeutics Inc. | 1 | $19.96 | |
| GENZYME CORPORATION | 1 | $14.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
774
Patients
144
Total drug cost
$2,074,264
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 195 | 41 | $2,635 |
| Famotidine | Generic | 97 | 35 | $679 |
| Ondansetron Hcl | Generic | 69 | 32 | $385 |
| Xtandi (Enzalutamide) | Brand | 63 | 0 | $812,696 |
| Xarelto (Rivaroxaban) | Brand | 54 | 0 | $29,924 |
| Hydroxyurea | Generic | 41 | 0 | $716 |
| Revlimid (Lenalidomide) | Brand | 40 | 0 | $686,504 |
| Verzenio (Abemaciclib) | Brand | 33 | 0 | $491,358 |
| Eliquis (Apixaban) | Brand | 32 | 0 | $20,423 |
| Warfarin Sodium | Generic | 31 | 0 | $539 |