Doctor profile · Federal record
Dr. Mariana Mercader Perez, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Bayamon, PR
- NPI 1841617297
- Accepts Medicare
- MIPS 62.1 / 100 · 2023
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
73 Edificio Medico Santa Cruz, Calle Santa Cruz Ste 215
Bayamon, PR 00959
(787) 930-4845
fax (787) 269-3900 - Mailing address
-
478 Urb Arboles de Montehiedra
San Juan, PR 00926
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Profile last updated
- September 26, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Puerto Rico #19777
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841617297. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
73
Distinct HCPCS
2
Medicare allowed
$13,269
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 51 | 12 | $210 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 22 | 15 | $115 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 36. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
43
Patients
12
Total drug cost
$6,175
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 18 | 12 | $157 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 14 | 0 | $5,526 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 11 | 0 | $492 |
Frequently asked questions
What is Dr. Mariana Mercader Perez's medical specialty?
Dr. Mariana Mercader Perez practices Pulmonary Disease Physician in Bayamon, PR.
Where does Dr. Mariana Mercader Perez practice?
Dr. Mariana Mercader Perez practices at 73 Edificio Medico Santa Cruz, Bayamon, PR 00959. Office phone: 7879304845.
What is Dr. Mariana Mercader Perez's NPI?
Dr. Mariana Mercader Perez's National Provider Identifier (NPI) is 1841617297, issued by NPPES.
Does Dr. Mariana Mercader Perez accept Medicare assignment?
Yes. Dr. Mariana Mercader Perez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariana Mercader Perez commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.