Joseph Yu, MD
Gastroenterology Physician · Branford, CT
Joseph Yu, MD is a gastroenterology physician with a practice address in Branford, Connecticut, and NPI 1346209046, issued on Mar 21, 2006. Check the license (Connecticut 032198, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Yu
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 032198 CT
Self-reported in NPPES; status is on the state search - Practice location
- 229 Montowese St, Branford, CT 06405
- Phone
- (203) 481-0315
- Enumerated
- Mar 21, 2006
- Record last updated
- May 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (203) 488-6945
- Medicaid ID
- 1321984 CT
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Verify Joseph Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 032198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average gastroenterology physician in 2024
121 Medicare Part D claims for 40 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Omeprazole74 claims
- Humira(Cf) Pen12 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: $30.31
1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Joseph Yu among 336 gastroenterology physician records in Connecticut
Joseph Yu, MD is one of 336 gastroenterology physician records with a practice address in Connecticut. 86% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2018 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Connecticut
There are 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in Branford → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kenneth Barshop, M.D.Branford, CT 064051316396690
- Michael Dorfman, M.D.Branford, CT 064051164658555
- Keri Herzog, M.D.Branford, CT 064051427292614
- Christopher Illick, MDBranford, CT 064051609836998
- Kristin Macarthur, M.D.Branford, CT 064051225357809
- Jeffrey Dreznick, M.D.Ansonia, CT 064011902895436
- Deborah Levenson, M.D.Ansonia, CT 064011952406688
- Michael Lipcan, MDAnsonia, CT 064011770624447
Common questions
What is Joseph Yu, MD's NPI number?
Joseph Yu, MD's National Provider Identifier (NPI) is 1346209046, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Yu, MD located?
The NPPES record lists a practice address at 229 Montowese St, Branford, CT, 06405. Phone: (203) 481-0315. Providers update this record themselves, so call before visiting.
How can I verify Joseph Yu, MD's license?
NPPES lists Connecticut license number 032198, 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 Joseph Yu, MD prescribe under Medicare Part D?
In 2024, Joseph Yu, MD had 121 Medicare Part D claims for 40 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.