Doctor profile · Federal record
Dr. Marcos Parrilla Rios, MD
Specialist (CMS: Internal Medicine) · San Lorenzo, PR
- NPI 1336125301
- Accepts Medicare
- 33 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
Calle Jose Tous Soto 108
San Lorenzo, PR 00754
(787) 736-0252
fax (787) 736-5545 - Mailing address
-
42 Harbour Lights Dr, Palmas del Mar
Humacao, PR 007916053
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Puerto Rico #12258
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336125301. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
74
Distinct HCPCS
2
Medicare allowed
$4,046
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 21 | $64 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 24 | 15 | $35 |
In context: peer comparison
Among 1 peers in San Lorenzo Specialist, average services per provider: 37. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$464
Transactions
13
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 3 | $258.83 | |
| Takeda Pharmaceuticals U.S.A., INC. | 10 | $205.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
8,375
Patients
2,302
Total drug cost
$188,326
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Synthroid (Levothyroxine Sodium) | Brand | 951 | 218 | $98,233 |
| Losartan Potassium | Generic | 877 | 240 | $17,219 |
| Famotidine | Generic | 814 | 254 | $6,783 |
| Simvastatin | Generic | 804 | 220 | $5,403 |
| Gabapentin | Generic | 738 | 208 | $6,713 |
| Amlodipine Besylate | Generic | 552 | 157 | $3,216 |
| Rosuvastatin Calcium | Generic | 519 | 156 | $6,976 |
| Metformin Hcl | Generic | 508 | 141 | $3,996 |
| Atorvastatin Calcium | Generic | 464 | 134 | $6,114 |
| Clonazepam | Generic | 429 | 88 | $2,488 |
Frequently asked questions
What is Dr. Marcos Parrilla Rios's medical specialty?
Dr. Marcos Parrilla Rios practices Specialist in San Lorenzo, PR.
Where does Dr. Marcos Parrilla Rios practice?
Dr. Marcos Parrilla Rios practices at Calle Jose Tous Soto 108, San Lorenzo, PR 00754. Office phone: 7877360252.
What is Dr. Marcos Parrilla Rios's NPI?
Dr. Marcos Parrilla Rios's National Provider Identifier (NPI) is 1336125301, issued by NPPES.
Does Dr. Marcos Parrilla Rios accept Medicare assignment?
Yes. Dr. Marcos Parrilla Rios accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcos Parrilla Rios commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.