Doctor profile · Federal record

Dr. Carolina Diao, M.D.

Psychiatry Physician · Lawrenceville, NJ

  • NPI 1275602344
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3131 Princeton Pike Ste 109
Lawrenceville, NJ 086482201
(609) 633-1500
Mailing address
180 Ewingville RD
Ewing, NJ 086382425

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
January 26, 2017
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
New Jersey #MA71883
Medicaid
NJ #D1053746

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275602344. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,475
Distinct HCPCS
6
Medicare allowed
$139,171
HCPCS Description Services Patients Avg allowed
90833 Psychotherapy with evaluation and management visit, 30 minutes 602 110 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 412 98 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 199 42 $96
90832 Psychotherapy, 30 minutes 154 26 $59
90834 Psychotherapy, 45 minutes 78 11 $104
90847 Family psychotherapy with patient, 50 minutes 30 14 $103

In context: peer comparison

Among 1 peers in this city , average services per provider: 245. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, Inc. 2 $29.91
Alkermes, Inc. 1 $18.62
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $14.99
ABBVIE INC. 1 $13.61
Neurelis, Inc. 1 $13.08

By nature of payment

Food and Beverage
$90

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,272
Patients
188
Total drug cost
$91,265
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 523 45 $12,404
Aripiprazole Generic 317 33 $37,143
Risperidone Generic 227 25 $4,333
Olanzapine Generic 164 11 $6,148
Sertraline Hcl Generic 159 27 $1,709
Escitalopram Oxalate Generic 149 18 $2,274
Divalproex Sodium Er (Divalproex Sodium) Brand 147 16 $11,025
Gabapentin Generic 124 0 $1,934
Buspirone Hcl Generic 81 13 $2,712
Divalproex Sodium Generic 67 0 $2,775

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolina Diao's medical specialty?
Dr. Carolina Diao practices Psychiatry Physician in Lawrenceville, NJ.
Where does Dr. Carolina Diao practice?
Dr. Carolina Diao practices at 3131 Princeton Pike Ste 109, Lawrenceville, NJ 086482201. Office phone: 6096331500.
What is Dr. Carolina Diao's NPI?
Dr. Carolina Diao's National Provider Identifier (NPI) is 1275602344, issued by NPPES.
What procedures does Dr. Carolina Diao commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.