Doctor profile · Federal record

Dr. Monica Vega Vazquez, MD

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

  • NPI 1255562799
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
423 Marginal Agueybana, Ave Luis Munoz Rivera
San Juan, PR 009185067
(787) 943-6983
Additional location
Clinica Salus, 1 Ave Casa Linda Suite 101
Bayamon, PR 00959
(787) 798-1996
Mailing address
46 Calle Guayabo
Guaynabo, PR 009714001

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
September 30, 2021
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Puerto Rico #18482

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255562799. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25
Distinct HCPCS
1
Medicare allowed
$2,242
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 25 15 $90

In context: peer comparison

Among 13 peers in this city , average services per provider: 90. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$564
Transactions
19
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 6 $160.10
Lilly USA, LLC 1 $118.71
Novo Nordisk Inc 4 $87.47
Eli Lilly Export S.A. Puerto Rico Branch 3 $75.00
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $74.74
Abbott Laboratories 2 $48.45

By nature of payment

Food and Beverage
$564

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,660
Patients
548
Total drug cost
$629,722
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 540 172 $56,947
Atorvastatin Calcium Generic 138 58 $1,731
Metformin Hcl Er (Metformin Hcl) Brand 107 37 $1,320
Metformin Hcl Generic 98 38 $728
Janumet Xr (Sitagliptin Phos/Metformin Hcl) Brand 93 31 $113,042
Lantus (Insulin Glargine,hum.Rec.Anlog) Brand 92 20 $60,619
Rosuvastatin Calcium Generic 77 27 $1,476
Ozempic (Semaglutide) Brand 76 17 $87,800
Alendronate Sodium Generic 72 30 $674
Xigduo Xr (Dapaglifloz Propaned/Metformin) Brand 71 29 $62,234

Frequently asked questions

Auto-generated from federal data
What is Dr. Monica Vega Vazquez's medical specialty?
Dr. Monica Vega Vazquez practices Endocrinology, Diabetes & Metabolism Physician in San Juan, PR.
Where does Dr. Monica Vega Vazquez practice?
Dr. Monica Vega Vazquez practices at 423 Marginal Agueybana, San Juan, PR 009185067. Office phone: 7879436983.
What is Dr. Monica Vega Vazquez's NPI?
Dr. Monica Vega Vazquez's National Provider Identifier (NPI) is 1255562799, issued by NPPES.
Does Dr. Monica Vega Vazquez accept Medicare assignment?
Yes. Dr. Monica Vega Vazquez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Monica Vega Vazquez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.