Doctor profile · Federal record

Dr. William Velasco Perez, MD

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

  • NPI 1982723383
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Pmb 206, Jardines de Guaynabo Suite 67
Guaynabo, PR 009700206
(787) 409-4175

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
January 27, 2011
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Puerto Rico #12892

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982723383. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
508
Distinct HCPCS
5
Medicare allowed
$60,800
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 184 178 $178
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 144 138 $8
99284 Emergency department visit with moderate level of medical decision making 109 106 $122
99291 Critical care, first 30-74 minutes 60 60 $214
99283 Emergency department visit with low level of medical decision making 11 11 $72

In context: peer comparison

Among 2 peers in this city , average services per provider: 79. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
307
Patients
305
Total drug cost
$2,119
Drug Type Claims Patients Total cost
Prednisone Generic 53 52 $105
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 33 33 $184
Cephalexin Generic 29 28 $270
Ondansetron Odt (Ondansetron) Brand 29 29 $170
Tramadol Hcl Generic 28 28 $47
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 25 25 $217
Doxycycline Hyclate Generic 23 23 $282
Sucralfate Generic 20 20 $376
Cyclobenzaprine Hcl Generic 18 18 $64
Meclizine Hcl Generic 13 13 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. William Velasco Perez's medical specialty?
Dr. William Velasco Perez practices Emergency Medicine Physician in Guaynabo, PR.
Where does Dr. William Velasco Perez practice?
Dr. William Velasco Perez practices at Pmb 206, Guaynabo, PR 009700206. Office phone: 7874094175.
What is Dr. William Velasco Perez's NPI?
Dr. William Velasco Perez's National Provider Identifier (NPI) is 1982723383, issued by NPPES.
Does Dr. William Velasco Perez accept Medicare assignment?
Yes. Dr. William Velasco Perez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Velasco Perez commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.