NPPES file of Aug 9, 2026

Christopher Dunbar Illick, MD

Gastroenterology Physician · Branford, CT

Christopher Dunbar Illick, MD is a gastroenterology physician with a practice address in Branford, Connecticut, and NPI 1609836998, issued on Mar 23, 2006. Check the license (Connecticut 043283, 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
1609836998
Name
Christopher Dunbar Illick
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
043283 CT
Self-reported in NPPES; status is on the state search
Practice location
1224 Main St, Branford, CT 06405
Phone
(203) 481-0315
Enumerated
Mar 23, 2006
Record last updated
Jan 12, 2024
Fax
(203) 481-6788
Medicaid ID
001432830 CT
Medicare enrollment
Enrolled (PECOS I20050802000896); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1998
Telehealth
Offers telehealth (CMS)
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 1224 Main St

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

  1. Melissa Booth, P.T.Physical Therapist1285875567
  2. Michael Dorfman, M.D.Gastroenterology Physician1164658555
  3. Vicki Fisher, PTPhysical Therapist1114169000
  4. Keri Herzog, M.D.Gastroenterology Physician1427292614
  5. Kristin Macarthur, M.D.Gastroenterology Physician1225357809
  6. Vincent Sotero, D.M.D.General Practice Dentistry1336212885

Verify Christopher Dunbar Illick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 043283
    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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3.4 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,718 Medicare Part D claims for 775 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Christopher Illick2,718
  2. Specialty average811

Most prescribed

  1. Omeprazole729 claims
  2. Pantoprazole Sodium373 claims
  3. Famotidine272 claims
  4. Esomeprazole Magnesium189 claims
  5. Dicyclomine Hcl171 claims
  6. Sod Sulf-Potass Sulf-Mag Sulf156 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 MIPS final score for 2023 (Medicare payment program): 94.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score81.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.4
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $950.44

49 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. Christopher Illick$950.44
  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 one group practice

  1. Digestive Disease Associates LLCWestbrook, CT

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

Christopher Dunbar Illick among 336 gastroenterology physician records in Connecticut

Christopher Dunbar Illick, 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
  • Graduated1998 · median 2001 among the 255 with a school on file
  • Record last updated2024 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Kenneth Barshop, M.D.Branford, CT 064051316396690
  2. Michael Dorfman, M.D.Branford, CT 064051164658555
  3. Keri Herzog, M.D.Branford, CT 064051427292614
  4. Kristin Macarthur, M.D.Branford, CT 064051225357809
  5. Joseph Yu, MDBranford, CT 064051346209046
  6. Jeffrey Dreznick, M.D.Ansonia, CT 064011902895436
  7. Deborah Levenson, M.D.Ansonia, CT 064011952406688
  8. Michael Lipcan, MDAnsonia, CT 064011770624447

Common questions

What is Christopher Dunbar Illick, MD's NPI number?

Christopher Dunbar Illick, MD's National Provider Identifier (NPI) is 1609836998, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Dunbar Illick, MD located?

The NPPES record lists a practice address at 1224 Main St, Branford, CT, 06405. Phone: (203) 481-0315. Providers update this record themselves, so call before visiting.

How can I verify Christopher Dunbar Illick, MD's license?

NPPES lists Connecticut license number 043283, 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 Christopher Dunbar Illick, MD prescribe under Medicare Part D?

In 2024, Christopher Dunbar Illick, MD had 2,718 Medicare Part D claims for 775 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Christopher Dunbar Illick, MD's MIPS final score?

The 2023 MIPS final score is 94.2 of 100. 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.