NPPES file of Aug 9, 2026

Courtney Joan Gemmato, M.D.

Student in an Organized Health Care Education/Training Program · New Haven, CT

Courtney Joan Gemmato, M.D. is a student in an organized health care education/training program with a practice address in New Haven, Connecticut, and NPI 1043505886, issued on Jun 9, 2011. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1043505886
Name
Courtney Joan Gemmato
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
License number
BP10039774 TX
Self-reported in NPPES; status is on the state search
Practice location
20 York St, New Haven, CT 06510
Phone
(203) 688-4242
Enumerated
Jun 9, 2011
Record last updated
Dec 12, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210309002051); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2011
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 20 York St

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

  1. Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
  2. Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
  3. Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
  4. Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
  5. Sarah AbdallahPsychiatry Physician1740800952
  6. Usama Abdelghany, PHARM DOncology Pharmacist1548827843

Verify Courtney Joan Gemmato in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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
Find 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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Industry payments in 2024: $299.10

9 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Courtney Gemmato$299.10
  2. Specialty average$608.08

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

One hospital affiliation

  1. Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars

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.

Courtney Joan Gemmato among 5,184 student in an organized health care education/training program records in Connecticut

Courtney Joan Gemmato, M.D. is one of 5,184 student in an organized health care education/training program records with a practice address in Connecticut. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 4% of them.

  • NPI issued2011 · 4% of these records are older, 95% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2011 · median 2017 among the 207 with a school on file
  • Record last updated2016 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,845 student in an organized health care education/training program records list a practice address in New Haven

They are 1,845 of the 9,793 NPPES records with a practice address in New Haven, and 5,184 student in an organized health care education/training program records in Connecticut.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Eric FalkeNew Haven, CT 065101952585119
  2. Lee Hampton, M.D.New Haven, CT 065101760666804
  3. Jennifer Hewett, M.D.New Haven, CT 065101558537225
  4. Rebecca Hommer, M.D.New Haven, CT 065101902081169
  5. Thomas HuangNew Haven, CT 065101093981714
  6. Yuki Mukai, M.D.New Haven, CT 065101417139759
  7. Madhuram Nagarajan, M.B.B.S (MD EQUIVAL)New Haven, CT 065101376725671
  8. Marie Peddinghaus, MDNew Haven, CT 065101528234416

Common questions

What is Courtney Joan Gemmato, M.D.'s NPI number?

Courtney Joan Gemmato, M.D.'s National Provider Identifier (NPI) is 1043505886, issued on Jun 9, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Joan Gemmato, M.D. located?

The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.

How can I verify Courtney Joan Gemmato, M.D.'s license?

Search the Connecticut board that licenses this profession; the NPPES record confirms identity 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.