NPPES file of Aug 9, 2026

Justine Cormier, M.D.

Neurology Physician · New Haven, CT

Justine Cormier, M.D. is a neurology physician with a practice address in New Haven, Connecticut, and NPI 1427436294, issued on May 13, 2015. Check the license (Connecticut 64155, 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
1427436294
Name
Justine Cormier
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
64155 CT
LP03294 RI
Self-reported in NPPES; status is on the state search
Practice location
15 York St, New Haven, CT 06520
Phone
(203) 785-4085
Enumerated
May 13, 2015
Record last updated
Aug 25, 2022
Medicare enrollment
Enrolled (PECOS I20220913001429); accepts Medicare assignment
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 15 York St

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

  1. Caitlin Loomis, MDNeurology Physician1184868069
  2. Nannette Thomas, APRNAdult Health Nurse Practitioner1780918599

Verify Justine Cormier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 64155
    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

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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: $284.24

2 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justine Cormier$284.24
  2. Specialty average$8,318.07

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

2 hospitals and group practices

  1. Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
  2. Hartford Healthcare Medical Group Specialists PLLCHartford, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Justine Cormier among 345 neurology physician records in Connecticut

Justine Cormier, M.D. is one of 345 neurology 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 2015, is newer than 68% of them.

  • NPI issued2015 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2015 · median 2009 among the 216 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

121 neurology physician records list a practice address in New Haven

They are 121 of the 9,793 NPPES records with a practice address in New Haven, and 345 neurology physician records in Connecticut.

The 8 neurology physician records with the nearest ZIP codes

  1. Zachary Corbin, M.D., M.H.S.New Haven, CT 065201730403486
  2. Caitlin Loomis, MDNew Haven, CT 065201184868069
  3. Naila Makhani, MDNew Haven, CT 065201336580141
  4. Lindsay McAlpine, MDNew Haven, CT 065201982132114
  5. Mary Barden, MDNew Haven, CT 065191568999480
  6. Aditya BodduNew Haven, CT 065191346691409
  7. Jeffrey Dewey, M.D.New Haven, CT 065191619315991
  8. Carolyn Fredericks, M.D.New Haven, CT 065191285946061

Common questions

What is Justine Cormier, M.D.'s NPI number?

Justine Cormier, M.D.'s National Provider Identifier (NPI) is 1427436294, issued on May 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Justine Cormier, M.D. located?

The NPPES record lists a practice address at 15 York St, New Haven, CT, 06520. Phone: (203) 785-4085. Providers update this record themselves, so call before visiting.

How can I verify Justine Cormier, M.D.'s license?

NPPES lists Connecticut license number 64155, 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.

What is Justine Cormier, 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.