James Lian-Hsu Chen, M.D.
Internal Medicine Physician · Dartmouth, MA
James Lian-Hsu Chen, M.D. is an internal medicine physician with a practice address in Dartmouth, Massachusetts, and NPI 1225018062, issued on Jan 18, 2006. Check the license (Massachusetts 215986, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James Lian-Hsu Chen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 215986 MA
Self-reported in NPPES; status is on the state search - Practice location
- 531 Faunce Corner RD, Dartmouth, MA 02747
- Phone
- (508) 996-3991
- Enumerated
- Jan 18, 2006
- Record last updated
- Apr 24, 2023
- Medicaid ID
- 0177601 MA
- Medicare enrollment
- Enrolled (PECOS I20101202001260); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 531 Faunce Corner RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gloriane Afonso-Fede, M.D.Internal Medicine Physician1376525063
- Tatiana AndradeFamily Nurse Practitioner1336731819
- Gregg Angell, M.D.Obstetrics & Gynecology Physician1578660429
- Caitlin Arruda, RNPediatric Nurse Practitioner1346996238
- Emily Bak, RNWomen's Health Nurse Practitioner1598497562
- Chad Beattie, M.D.Sports Medicine (Family Medicine) Physician1790946176
Verify James Lian-Hsu Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 215986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,601 Medicare Part D claims for 818 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Prednisone464 claims
- Azithromycin109 claims
- Cefuroxime102 claims
- Doxycycline Hyclate101 claims
- Tizanidine Hcl100 claims
- Cephalexin85 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: $130.17
8 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through one group practice
- Lifespan Physician Group OF Massachusetts IncDartmouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Lian-Hsu Chen among 6,825 internal medicine physician records in Massachusetts
James Lian-Hsu Chen, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2004 among the 4,103 with a school on file
- Record last updated2023 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Dartmouth
They are 10 of the 513 NPPES records with a practice address in Dartmouth, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Dartmouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gloriane Afonso-Fede, M.D.Dartmouth, MA 027471376525063
- Elliott Anderson, MDNorth Dartmouth, MA 027471750358164
- Scott Henderson, M.D.N Dartmouth, MA 027471427037662
- Bing Liu, M.D.N Dartmouth, MA 027471699745810
- Stephen Mackler, M.D.Dartmouth, MA 027471669442745
- Judith Miesner, D.O.North Dartmouth, MA 027471669448635
- Barbara Pearl, M.D.North Dartmouth, MA 027471295701274
- Earl Potts, MDN Dartmouth, MA 027471679560791
Common questions
What is James Lian-Hsu Chen, M.D.'s NPI number?
James Lian-Hsu Chen, M.D.'s National Provider Identifier (NPI) is 1225018062, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Lian-Hsu Chen, M.D. located?
The NPPES record lists a practice address at 531 Faunce Corner RD, Dartmouth, MA, 02747. Phone: (508) 996-3991. Providers update this record themselves, so call before visiting.
How can I verify James Lian-Hsu Chen, M.D.'s license?
NPPES lists Massachusetts license number 215986, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Lian-Hsu Chen, M.D. prescribe under Medicare Part D?
In 2024, James Lian-Hsu Chen, M.D. had 1,601 Medicare Part D claims for 818 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.