NPPES file of Aug 9, 2026

Francis Wing-Kai Chan, MD

Gastroenterology Physician · Hamden, CT

Francis Wing-Kai Chan, MD is a gastroenterology physician with a practice address in Hamden, Connecticut, and NPI 1326140674, issued on Sep 5, 2006. Check the license (Connecticut 044312, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326140674
Name
Francis Wing-Kai Chan
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
044312 CT
Self-reported in NPPES; status is on the state search
Practice location
2200 Whitney Ave, Hamden, CT 06518
Phone
(203) 281-4463
Enumerated
Sep 5, 2006
Record last updated
May 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(203) 287-2930
Medicaid ID
1326140674 CT
Medicare enrollment
Enrolled (PECOS I20061010000560); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2200 Whitney Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Anderson, M.D.Pediatrics Physician1659332989
  2. Alicia Antman, M.D.Pediatrics Physician1497888630
  3. David Astrachan, MDOtolaryngology Physician1225009046
  4. Karin Augur, PAMedical Physician Assistant1588654933
  5. Nina Babu, DPMPodiatrist1114248564
  6. Renu Bazaz-Kapoor, DOInternal Medicine Physician1427045954

Verify Francis Wing-Kai Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 044312
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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44% more Medicare Part D claims than the average gastroenterology physician in 2024

1,164 Medicare Part D claims for 354 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Francis Chan1,164
  2. Specialty average811

Most prescribed

  1. Omeprazole292 claims
  2. Pantoprazole Sodium173 claims
  3. Famotidine94 claims
  4. Clenpiq82 claims
  5. Linzess48 claims
  6. Esomeprazole Magnesium41 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): 90.7 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.

  1. Qualityout of 100 · 30% of the final score82.3
  2. Costout of 100 · 30%58.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $859.15

43 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Francis Chan$859.15
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Hhc Physician Services PLLCHamden, CT
  2. Northeast Medical Group IncNew Haven, CT
  3. Rehabilitation Associates IncFairfield, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Francis Wing-Kai Chan among 336 gastroenterology physician records in Connecticut

Francis Wing-Kai Chan, 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 fileYes · 76% of these records are
  • Graduated2003 · median 2001 among the 255 with a school on file
  • Record last updated2021 · 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).

19 gastroenterology physician records list a practice address in Hamden

They are 19 of the 1,410 NPPES records with a practice address in Hamden, and 336 gastroenterology physician records in Connecticut.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Dean Chang, MDHamden, CT 065181770564247
  2. Paul Feuerstadt, M.D.Hamden, CT 065181386975928
  3. David Hass, M.D.Hamden, CT 065181225177769
  4. Ramnath Hebbar, MDHamden, CT 065181124045992
  5. Daniel Helburn, MDHamden, CT 065181558307025
  6. Jeffrey Kwan, M.D.Hamden, CT 065181851439848
  7. Jeremy Matloff, M.D.Hamden, CT 065181770741290
  8. Anamika Reed, M.D.Hamden, CT 065181588830939

Common questions

What is Francis Wing-Kai Chan, MD's NPI number?

Francis Wing-Kai Chan, MD's National Provider Identifier (NPI) is 1326140674, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Francis Wing-Kai Chan, MD located?

The NPPES record lists a practice address at 2200 Whitney Ave, Hamden, CT, 06518. Phone: (203) 281-4463. Providers update this record themselves, so call before visiting.

How can I verify Francis Wing-Kai Chan, MD's license?

NPPES lists Connecticut license number 044312, 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 Francis Wing-Kai Chan, MD prescribe under Medicare Part D?

In 2024, Francis Wing-Kai Chan, MD had 1,164 Medicare Part D claims for 354 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Francis Wing-Kai Chan, MD's MIPS final score?

The 2023 MIPS final score is 90.7 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.