Doctor profile · Federal record

Dr. Carolina Gonzalez Lopez, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Student in an Organized Health Care Education/Training Program · Student in an Organized Health Care Education/Training Program · New Haven, CT

  • NPI 1821545773
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 065103220
(203) 688-4242

Credentials & registration

NPPES · NUCC
NPI registered
September 2016 — 10 yrs on file
Profile last updated
August 14, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Connecticut #75391

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821545773. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
2
Medicare allowed
$3,958
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 23 22 $101
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $149

In context: peer comparison

Among 18 peers in New Haven Endocrinology, Diabetes & Metabolism Physician, average services per provider: 119. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
357
Patients
135
Total drug cost
$283,322
Drug Type Claims Patients Total cost
Jardiance (Empagliflozin) Brand 59 20 $51,962
Ozempic (Semaglutide) Brand 39 16 $54,408
Humalog Kwikpen U-100 (Insulin Lispro) Brand 34 21 $37,781
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 25 18 $18,172
Levothyroxine Sodium Generic 25 16 $441
Metformin Hcl ER (Metformin Hcl) Brand 22 14 $658
Trulicity (Dulaglutide) Brand 21 15 $33,011
Novolog Flexpen (Insulin Aspart) Brand 20 15 $23,341
Tresiba Flextouch U-200 (Insulin Degludec) Brand 20 0 $15,028
Atorvastatin Calcium Generic 19 0 $156

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolina Gonzalez Lopez's medical specialty?
Dr. Carolina Gonzalez Lopez practices Endocrinology, Diabetes & Metabolism Physician in New Haven, CT.
Where does Dr. Carolina Gonzalez Lopez practice?
Dr. Carolina Gonzalez Lopez practices at 20 York St, New Haven, CT 065103220. Office phone: 2036884242.
What is Dr. Carolina Gonzalez Lopez's NPI?
Dr. Carolina Gonzalez Lopez's National Provider Identifier (NPI) is 1821545773, issued by NPPES.
Does Dr. Carolina Gonzalez Lopez accept Medicare assignment?
Yes. Dr. Carolina Gonzalez Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolina Gonzalez Lopez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.