Chi Yang Lee Chen
Internal Medicine Physician · Boston, MA
Chi Yang Lee Chen is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1568104792, issued on Apr 8, 2022. Check the license (Massachusetts 293919, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Chi Yang Lee Chen
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 293919 MA
Self-reported in NPPES; status is on the state search - Practice location
- 260 Tremont St FL 5, Boston, MA 02116
- Phone
- (617) 636-5400
- Enumerated
- Apr 8, 2022
- Record last updated
- Jun 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20260608000112); may accept Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 260 Tremont St FL 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Park, M.D.Internal Medicine Physician1447511274
Verify Chi Yang Lee 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 293919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
442 Medicare Part D claims for 83 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium33 claims
- Amlodipine Besylate17 claims
- Lisinopril16 claims
- Ozempic16 claims
- Rosuvastatin Calcium15 claims
- Eliquis14 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: $26.58
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, 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.
Chi Yang Lee Chen among 6,825 internal medicine physician records in Massachusetts
Chi Yang Lee Chen 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 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2004 among the 4,103 with a school on file
- Record last updated2022 · 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).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Bonanno, MDBoston, MA 021161760461115
- Bryan Bordeaux, D.O.Boston, MA 021161972560696
- Moira Cunningham, M.D.Boston, MA 021161437120995
- Federico Erebia, M.D.Boston, MA 021161588639744
- Monica Gomez, MDBoston, MA 021161174585368
- Yun Lam, M.D.Boston, MA 021161134100894
- Katherine Lantsman, M.D.Boston, MA 021161720052475
- Frederick LeeBoston, MA 021161295710473
Common questions
What is Chi Yang Lee Chen's NPI number?
Chi Yang Lee Chen's National Provider Identifier (NPI) is 1568104792, issued on Apr 8, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Chi Yang Lee Chen located?
The NPPES record lists a practice address at 260 Tremont St FL 5, Boston, MA, 02116. Phone: (617) 636-5400. Providers update this record themselves, so call before visiting.
How can I verify Chi Yang Lee Chen's license?
NPPES lists Massachusetts license number 293919, 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 Chi Yang Lee Chen prescribe under Medicare Part D?
In 2024, Chi Yang Lee Chen had 442 Medicare Part D claims for 83 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.