Doctor profile · Federal record

Dr. Luis Reyes Mercado, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Carolina, PR

  • NPI 1669676979
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Carr. 3 Km 8.3 Ave. 65 de Infanteria
Carolina, PR 00984
(787) 757-1800
Mailing address
Cond. French Plaza Apto 116 81 Calle Mayaguez
San Juan, PR 00917

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
January 18, 2024
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Texas #P4804 · Puerto Rico #26422 R

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669676979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
403
Distinct HCPCS
5
Medicare allowed
$57,107
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 240 238 $171
99284 Emergency department visit with moderate level of medical decision making 92 91 $117
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 38 38 $8
99291 Critical care, first 30-74 minutes 19 19 $208
99283 Emergency department visit with low level of medical decision making 14 14 $70

In context: peer comparison

Among 10 peers in Carolina Emergency Medicine Physician, average services per provider: 66. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 1 $21.84

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
143
Patients
141
Total drug cost
$1,094
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 28 28 $63
Ondansetron Hcl Generic 26 26 $177
Cephalexin Generic 24 24 $178
Methocarbamol Generic 21 21 $118
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 19 $124
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 12 $340
Dicyclomine Hcl Generic 12 11 $95

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Luis Reyes Mercado's medical specialty?
Dr. Luis Reyes Mercado practices Emergency Medicine Physician in Carolina, PR.
Where does Dr. Luis Reyes Mercado practice?
Dr. Luis Reyes Mercado practices at Carr. 3 Km 8.3 Ave. 65 de Infanteria, Carolina, PR 00984. Office phone: 7877571800.
What is Dr. Luis Reyes Mercado's NPI?
Dr. Luis Reyes Mercado's National Provider Identifier (NPI) is 1669676979, issued by NPPES.
Does Dr. Luis Reyes Mercado accept Medicare assignment?
Yes. Dr. Luis Reyes Mercado accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Luis Reyes Mercado commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.