Doctor profile · Federal record

Dr. Lydia Sun, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Lawrenceville, NJ

  • NPI 1578744041
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3131 Princeton Pike, Bldg #4, Suite 206
Lawrenceville, NJ 086482201
(609) 895-1230
fax (609) 755-0157

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
July 7, 2010
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #MA72880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578744041. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,176
Distinct HCPCS
10
Medicare allowed
$30,580
HCPCS Description Services Patients Avg allowed
83001 Gonadotropin, follicle stimulating (reproductive hormone) level 68 35 $18
83002 Gonadotropin, luteinizing (reproductive hormone) level 68 35 $18
84403 Testosterone (hormone) level, total 68 35 $25
82533 Cortisol (hormone) measurement, total 67 35 $16
82627 Dehydroepiandrosterone (dhea-s) hormone level 67 35 $22
82670 Measurement of total estradiol (hormone) 67 35 $27
83525 Insulin measurement, total 67 35 $11
84144 Progesterone (reproductive hormone) level 67 35 $20
84146 Prolactin (milk producing hormone) level 67 35 $19
84270 Sex hormone binding globulin (protein) level 67 35 $21

In context: peer comparison

Among 7 peers in Lawrenceville Internal Medicine Physician, average services per provider: 424. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Antares Pharma, INC. 1 $16.92

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
69
Patients
0
Total drug cost
$3,136
Drug Type Claims Patients Total cost
Armour Thyroid (Thyroid,Pork) Brand 15 0 $1,193
Progesterone (Progesterone, Micronized) Brand 15 0 $933
Atorvastatin Calcium Generic 14 0 $215
Zolpidem Tartrate Generic 13 0 $226
Testosterone Cypionate Generic 12 0 $569

Frequently asked questions

Auto-generated from federal data
What is Dr. Lydia Sun's medical specialty?
Dr. Lydia Sun practices Internal Medicine Physician in Lawrenceville, NJ.
Where does Dr. Lydia Sun practice?
Dr. Lydia Sun practices at 3131 Princeton Pike, Lawrenceville, NJ 086482201. Office phone: 6098951230.
What is Dr. Lydia Sun's NPI?
Dr. Lydia Sun's National Provider Identifier (NPI) is 1578744041, issued by NPPES.
Does Dr. Lydia Sun accept Medicare assignment?
Dr. Lydia Sun does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Lydia Sun commonly perform?
Top Medicare-reported procedures in 2023: Gonadotropin, follicle stimulating (reproductive hormone) level (HCPCS 83001); Gonadotropin, luteinizing (reproductive hormone) level (HCPCS 83002); Testosterone (hormone) level, total (HCPCS 84403). Source: CMS Medicare Physician & Other Practitioners file.