Lydia Lijuan Sun, M.D.
Internal Medicine Physician · Lawrenceville, NJ
Lydia Lijuan Sun, M.D. is an internal medicine physician with a practice address in Lawrenceville, New Jersey, and NPI 1578744041, issued on Nov 26, 2007. Check the license (New Jersey MA72880, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lydia Lijuan Sun
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA72880 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3131 Princeton Pike, Lawrenceville, NJ 08648
- Phone
- (609) 895-1230
- Enumerated
- Nov 26, 2007
- Record last updated
- Jul 7, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (609) 755-0157
- Medicare enrollment
- Enrolled (PECOS I20041115000692); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 3131 Princeton Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Allen, D.M.D.Pediatric Dentistry1497863989
- Cara Barlis, M.D.Family Medicine Physician1356486518
- Anthony Chiurco, MDNeurological Surgery Physician1578507620
- Alissa Clancey, D.C.Rehabilitation Chiropractor1396791273
- Stephen Dedufour, MSPTPhysical Therapist1174544365
- Erik Deocera, DPTPhysical Therapist1659118412
Verify Lydia Lijuan Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA72880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
172 Medicare Part D claims for 28 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone19 claims
- Levothyroxine Sodium15 claims
- Liothyronine Sodium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16.92
1 payment: food and beverage; the largest payer was Antares Pharma, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lydia Lijuan Sun among 4,632 internal medicine physician records in New Jersey
Lydia Lijuan Sun, M.D. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1990 · median 2000 among the 3,132 with a school on file
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 internal medicine physician records list a practice address in Lawrenceville
They are 27 of the 693 NPPES records with a practice address in Lawrenceville, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Lawrenceville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Dash, M.D.Lawrenceville, NJ 086481033164959
- Bharat Desai, MDLawrenceville, NJ 086481992701189
- Shari Diamond, D.O.Lawrenceville, NJ 086481912926254
- Richard Friedland, MDLawrenceville, NJ 086481437157583
- Paul Goldberg, M.D.Lawrenceville, NJ 086481316943574
- Eric Gomes, M.D.Lawrenceville, NJ 086481205831807
- Peter Lee, M.D.Lawrenceville, NJ 086481225081334
- Kimberly Osias, MDLawrenceville, NJ 086481922006899
Common questions
What is Lydia Lijuan Sun, M.D.'s NPI number?
Lydia Lijuan Sun, M.D.'s National Provider Identifier (NPI) is 1578744041, issued on Nov 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lydia Lijuan Sun, M.D. located?
The NPPES record lists a practice address at 3131 Princeton Pike, Lawrenceville, NJ, 08648. Phone: (609) 895-1230. Providers update this record themselves, so call before visiting.
How can I verify Lydia Lijuan Sun, M.D.'s license?
NPPES lists New Jersey license number MA72880, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lydia Lijuan Sun, M.D. prescribe under Medicare Part D?
In 2024, Lydia Lijuan Sun, M.D. had 172 Medicare Part D claims for 28 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.