Wei Gen Li, M.D.
Internal Medicine Physician · Plymouth, MA
Wei Gen Li, M.D. is an internal medicine physician with a practice address in Plymouth, Massachusetts, and NPI 1417904806, issued on May 30, 2006. Check the license (Massachusetts 227881, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Wei Gen Li
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 227881 MA
Self-reported in NPPES; status is on the state search - Practice location
- 275 Sandwich St, Plymouth, MA 02360
- Phone
- (508) 746-2000
- Enumerated
- May 30, 2006
- Record last updated
- Jan 22, 2025
- Fax
- (508) 830-2502
- Medicaid ID
- 2121531 MA
- Medicare enrollment
- Enrolled (PECOS I20060926000571); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 275 Sandwich St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charbel Abou Rjeily, MDInternal Medicine Physician1710175583
- Caroline Alpert, M.D.Internal Medicine Physician1831177260
- Ahmad AmmousHospitalist Physician1083119549
- Andis BalaNurse Practitioner1770154494
- Ronald Bardawil, M.D.Anatomic Pathology & Clinical Pathology Physician1336118595
- Randy BarnhardCertified Registered Nurse Anesthetist1811373855
Verify Wei Gen Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 227881Check 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 100 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass18 claims
- Cefdinir12 claims
- Klor-Con M2011 claims
- Pantoprazole Sodium11 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: $24.01
1 payment: food and beverage; the largest payer was Novo Nordisk 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.
Bills Medicare through one group practice
- Associated Physicians OF Harvard Medical Faculty Physicians AT Beth ISNew Bedford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wei Gen Li among 6,825 internal medicine physician records in Massachusetts
Wei Gen Li, 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
- Graduated1985 · median 2004 among the 4,103 with a school on file
- Record last updated2025 · 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).
31 internal medicine physician records list a practice address in Plymouth
They are 31 of the 1,954 NPPES records with a practice address in Plymouth, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Plymouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Caroline Alpert, M.D.Plymouth, MA 023601831177260
- Alfred Baum, M.D.Plymouth, MA 023601841239845
- David Hardy, M.D.Plymouth, MA 023601548238090
- Dariusz Hordejuk, M.D.Plymouth, MA 023601902884331
- Harvey Kowaloff, M.D.Plymouth, MA 023601700863016
- Antonietta Mauri, MDPlymouth, MA 023601609838416
- Mead Northrop, M.D.Plymouth, MA 023601982630968
- Brent Pennington, MDPlymouth, MA 023601386629350
Common questions
What is Wei Gen Li, M.D.'s NPI number?
Wei Gen Li, M.D.'s National Provider Identifier (NPI) is 1417904806, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wei Gen Li, M.D. located?
The NPPES record lists a practice address at 275 Sandwich St, Plymouth, MA, 02360. Phone: (508) 746-2000. Providers update this record themselves, so call before visiting.
How can I verify Wei Gen Li, M.D.'s license?
NPPES lists Massachusetts license number 227881, 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 Wei Gen Li, M.D. prescribe under Medicare Part D?
In 2024, Wei Gen Li, M.D. had 172 Medicare Part D claims for 100 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.