Catherine Wei, M.D.
Hematology (Internal Medicine) Physician · Trumbull, CT
Catherine Wei, M.D. is a hematology (internal medicine) physician with a practice address in Trumbull, Connecticut, and NPI 1902346224, issued on Mar 6, 2017. Check the license (Connecticut 66274, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Catherine Wei
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- 66274 CT
25MA10622700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 5520 Park Ave, Trumbull, CT 06611
- Phone
- (203) 502-8400
- Enumerated
- Mar 6, 2017
- Record last updated
- Jun 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200826001573); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 21 in Connecticut → Look up another NPI →
Also registered at 5520 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenna AddisonFamily Nurse Practitioner1649725656
- Melanie Albright, C.N.M.Advanced Practice Midwife1609892058
- Robin Berger, MDObstetrics & Gynecology Physician1043327653
- Adam Breiner, N.D.Naturopath1497819601
- Mark Breiner, D.D.S.General Practice Dentistry1427348085
- Hanna Caridad, MS, RD, CDNRegistered Dietitian1114681988
Verify Catherine Wei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 66274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average hematology (internal medicine) physician in 2024
1,311 Medicare Part D claims for 236 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims. 50 claims were for opioids.
Most prescribed
- Acyclovir180 claims
- Allopurinol101 claims
- Eliquis99 claims
- Hydroxyurea97 claims
- Calquence96 claims
- Revlimid70 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): 73.6 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
- Yale UniversityTrumbull, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Wei among 21 hematology (internal medicine) physician records in Connecticut
Catherine Wei, M.D. is one of 21 hematology (internal medicine) physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2014 · median 2002 among the 13 with a school on file
- Record last updated2020 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Connecticut
There are 21 hematology (internal medicine) physician records in Connecticut.
All 21 in Connecticut → Every provider in Trumbull → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Erkut Bahceci, MDNew Haven, CT 065191043200272
- Stephanie Halene, MDNew Haven, CT 065191548356579
- Victor Chang, MDWaterbury, CT 067081760423867
- Thomas Prebet, MD PHDNew Haven, CT 065111811369507
- Theodore Getz, MDNew Haven, CT 065101083241590
- Lohith Gowda, M.D.New Haven, CT 065101669610168
- Natalia Neparidze, M.D.New Haven, CT 065101649427188
- Nikolai Podoltsev, M.D., PH.D.New Haven, CT 065101891731667
Common questions
What is Catherine Wei, M.D.'s NPI number?
Catherine Wei, M.D.'s National Provider Identifier (NPI) is 1902346224, issued on Mar 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Wei, M.D. located?
The NPPES record lists a practice address at 5520 Park Ave, Trumbull, CT, 06611. Phone: (203) 502-8400. Providers update this record themselves, so call before visiting.
How can I verify Catherine Wei, M.D.'s license?
NPPES lists Connecticut license number 66274, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine Wei, M.D. prescribe under Medicare Part D?
In 2024, Catherine Wei, M.D. had 1,311 Medicare Part D claims for 236 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Catherine Wei, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.