Li-Fen Chen, M.D.
Internal Medicine Physician · Worcester, MA
Li-Fen Chen, M.D. is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1790835072, issued on Jan 11, 2007. Check the license (Massachusetts 228582, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Li-Fen Chen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 228582 MA
Self-reported in NPPES; status is on the state search - Practice location
- 281 Lincoln St, Worcester, MA 01605
- Phone
- (508) 334-8015
- Enumerated
- Jan 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090902000208); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 281 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Li-Fen 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 228582Check 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
144 Medicare Part D claims for 78 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Coastal Medical AssociatesWeymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Li-Fen Chen among 6,825 internal medicine physician records in Massachusetts
Li-Fen 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · median 2004 among the 4,103 with a school on file
- Record last updated2007 · 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).
448 internal medicine physician records list a practice address in Worcester
They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Worcester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria Casal, M.D.Worcester, MA 016051609859503
- Paula Cullinane, M.D.Worcester, MA 016051952384950
- Michael Galica, M.D.Worcester, MA 016051972586733
- Maria Garcia, M.D.Worcester, MA 016051396726220
- Mary Hawthorne, M.D.Worcester, MA 016051013990787
- Gayatridevi Ika, M.D.Worcester, MA 016051124001102
- Jayanthi Kumar, M.D.Worcester, MA 016051528041423
- Christine Macginnis, D.O.Worcester, MA 016051952382772
Common questions
What is Li-Fen Chen, M.D.'s NPI number?
Li-Fen Chen, M.D.'s National Provider Identifier (NPI) is 1790835072, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Li-Fen Chen, M.D. located?
The NPPES record lists a practice address at 281 Lincoln St, Worcester, MA, 01605. Phone: (508) 334-8015. Providers update this record themselves, so call before visiting.
How can I verify Li-Fen Chen, M.D.'s license?
NPPES lists Massachusetts license number 228582, 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 Li-Fen Chen, M.D. prescribe under Medicare Part D?
In 2024, Li-Fen Chen, M.D. had 144 Medicare Part D claims for 78 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Li-Fen Chen, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.