Doctor profile · Federal record

Dr. Efrain Gonzalez Arroyo, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Santurce, PR

  • NPI 1710078704
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1801 Ave Ponce de Leon, Ste 308
Santurce, PR 009091917
(787) 726-1100
Mailing address
Po Box 1707
Trujillo Alto, PR 009771707

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 6, 2017
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Puerto Rico #5971

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710078704. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
472
Distinct HCPCS
5
Medicare allowed
$43,007
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 238 51 $78
99213 Established patient office or other outpatient visit, 20-29 minutes 181 80 $90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 20 $172
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $165
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $129

In context: peer comparison

Among 2 peers in this city , average services per provider: 115. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,459
Transactions
74
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Bayer Puerto Rico Inc. 12 $289.66
Abbott Laboratories 22 $237.80
Novo Nordisk Inc 12 $182.27
Boehringer Ingelheim Pharmaceuticals, Inc. 8 $149.41
AstraZeneca Pharmaceuticals LP 4 $132.34
E.R. Squibb & Sons, L.L.C. 1 $117.88
Eli Lilly Export S.A. Puerto Rico Branch 4 $93.57
Corcept Therapeutics 4 $84.24
Amgen Inc. 3 $65.00
Dexcom, Inc. 3 $60.00
Boston Scientific Corporation 1 $47.11

By nature of payment

Food and Beverage
$1,459

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,762
Patients
1,212
Total drug cost
$1,542,501
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 1,067 268 $98,402
Jardiance (Empagliflozin) Brand 579 137 $550,045
Metformin Hcl Generic 510 139 $3,270
Levothyroxine Sodium Generic 437 124 $8,350
Trulicity (Dulaglutide) Brand 325 53 $377,112
Glimepiride Generic 301 80 $3,573
Atorvastatin Calcium Generic 288 88 $3,531
Farxiga (Dapagliflozin Propanediol) Brand 269 73 $213,923
Gabapentin Generic 231 50 $2,893
Lantus (Insulin Glargine,hum.Rec.Anlog) Brand 163 42 $113,829

Frequently asked questions

Auto-generated from federal data
What is Dr. Efrain Gonzalez Arroyo's medical specialty?
Dr. Efrain Gonzalez Arroyo practices Endocrinology, Diabetes & Metabolism Physician in Santurce, PR.
Where does Dr. Efrain Gonzalez Arroyo practice?
Dr. Efrain Gonzalez Arroyo practices at 1801 Ave Ponce de Leon, Santurce, PR 009091917. Office phone: 7877261100.
What is Dr. Efrain Gonzalez Arroyo's NPI?
Dr. Efrain Gonzalez Arroyo's National Provider Identifier (NPI) is 1710078704, issued by NPPES.
Does Dr. Efrain Gonzalez Arroyo accept Medicare assignment?
Yes. Dr. Efrain Gonzalez Arroyo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Efrain Gonzalez Arroyo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.