NPPES file of Aug 9, 2026

Brett Hunter Duncan, M.D.

Cardiovascular Disease Physician · Hartford, CT

Brett Hunter Duncan, M.D. is a cardiovascular disease physician with a practice address in Hartford, Connecticut, and NPI 1760482194, issued on Jul 28, 2005. Check the license (Connecticut 036868, 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
1760482194
Name
Brett Hunter Duncan
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
036868 CT
Self-reported in NPPES; status is on the state search
Practice location
100 Retreat Ave, Hartford, CT 06106
Phone
(860) 522-5712
Enumerated
Jul 28, 2005
Record last updated
May 26, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(860) 520-4270
Medicaid ID
001368689 CT
Medicare enrollment
Enrolled (PECOS I20100302000204); accepts Medicare assignment
Medical or professional school
Chicago College Of Medicine And Surgery, 1994
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 100 Retreat Ave

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

  1. Kristina Amato, APRNNurse Practitioner1750699369
  2. Thomas Banever, M.D.Surgery Physician1992799498
  3. Karen Beattie, APRNObstetrics & Gynecology Nurse Practitioner1659474690
  4. Steven Borer, D.O.Cardiovascular Disease Physician1528210119
  5. Daniel Borrus, M.D.Internal Medicine Physician1306023247
  6. Barbara Brigandi, APRNAdult Health Nurse Practitioner1942300553

Verify Brett Hunter Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 036868
    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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2.9 times the Medicare Part D claims of the average cardiovascular disease physician in 2024

8,875 Medicare Part D claims for 1,287 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Brett Duncan8,875
  2. Specialty average3,078

Most prescribed

  1. Rosuvastatin Calcium877 claims
  2. Atorvastatin Calcium806 claims
  3. Metoprolol Succinate781 claims
  4. Eliquis673 claims
  5. Ezetimibe644 claims
  6. Telmisartan456 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): 84.5 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 score79.3
  2. Costout of 100 · 30%59.6
  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: $238.53

5 payments; by number, the most common kind was food and beverage; the largest payer was Artivion, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brett Duncan$238.53
  2. Specialty average$3,819.56

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. Hartford Healthcare Medical Group Specialists PLLCHartford, CT

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

Brett Hunter Duncan among 503 cardiovascular disease physician records in Connecticut

Brett Hunter Duncan, M.D. is one of 503 cardiovascular disease physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 77% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1994 · median 2000 among the 348 with a school on file
  • Record last updated2011 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Connecticut

There are 503 cardiovascular disease physician records in Connecticut.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. James Cardon, M.D.Hartford, CT 061061497755813
  2. David Casey, MDHartford, CT 061061205807138
  3. James Dougherty, M.D.Hartford, CT 061061700876125
  4. Melissa Ferraro-Borgida, M.D.Hartford, CT 061061346240769
  5. James Kallal, M.D.Hartford, CT 061061083614531
  6. Francis Kiernan, M.D.Hartford, CT 061061962400978
  7. Mohamed Mansoor, M.D.Hartford, CT 061061396733895
  8. Raymond McKay, M.D.Hartford, CT 061061871591891

Common questions

What is Brett Hunter Duncan, M.D.'s NPI number?

Brett Hunter Duncan, M.D.'s National Provider Identifier (NPI) is 1760482194, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Brett Hunter Duncan, M.D. located?

The NPPES record lists a practice address at 100 Retreat Ave, Hartford, CT, 06106. Phone: (860) 522-5712. Providers update this record themselves, so call before visiting.

How can I verify Brett Hunter Duncan, M.D.'s license?

NPPES lists Connecticut license number 036868, 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 Brett Hunter Duncan, M.D. prescribe under Medicare Part D?

In 2024, Brett Hunter Duncan, M.D. had 8,875 Medicare Part D claims for 1,287 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Brett Hunter Duncan, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.5 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.