Katherine Anne Kosiv, MD
Pediatric Cardiology Physician · New Haven, CT
Katherine Anne Kosiv, MD is a pediatric cardiology physician with a practice address in New Haven, Connecticut, and NPI 1295099497, issued on Jul 2, 2012. Check the license (Connecticut 63959, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Anne Kosiv
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License numbers
- 63959 CT
125.061915 IL
Self-reported in NPPES; status is on the state search - Practice location
- 15 York St, New Haven, CT 06510
- Phone
- (203) 785-2022
- Enumerated
- Jul 2, 2012
- Record last updated
- Aug 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191003000403); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 46 in Connecticut → Look up another NPI →
Also registered at 15 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karam Al JumailyStudent in an Organized Health Care Education/Training Program1023836269
- Carolyn ArenaPsychiatric/Mental Health Nurse Practitioner1184294472
- Diana AthonvarangkulEndocrinology, Diabetes & Metabolism Physician1275980450
- Nigel Bamford, MDNeurology with Special Qualifications in Child Neurology Physician1639255318
- Ami Belmont, M.D.Internal Medicine Physician1295183226
- Jean Bolognia, MDDermatology Physician1942291331
Verify Katherine Anne Kosiv in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 63959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Anne Kosiv among 46 pediatric cardiology physician records in Connecticut
Katherine Anne Kosiv, MD is one of 46 pediatric cardiology physician records with a practice address in Connecticut. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.
- NPI issued2012 · 74% of these records are older, 13% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2012 · median 2007 among the 30 with a school on file
- Record last updated2019 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Connecticut
There are 46 pediatric cardiology physician records in Connecticut.
All 46 in Connecticut → Every provider in New Haven → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Jeremy Asnes, MDNew Haven, CT 065101740263979
- Cheyenne Beach, M.D.New Haven, CT 065101376854422
- Robert Elder, M.D.New Haven, CT 065101154525244
- Erin Faherty, M.D.New Haven, CT 065101235497421
- John Fahey, MDNew Haven, CT 065101851374086
- Dina Ferdman, M.D.New Haven, CT 065101922262799
- Alan Friedman, MDNew Haven, CT 065101386629848
- Eugene Hall, M.D.New Haven, CT 065101346432820
Common questions
What is Katherine Anne Kosiv, MD's NPI number?
Katherine Anne Kosiv, MD's National Provider Identifier (NPI) is 1295099497, issued on Jul 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Anne Kosiv, MD located?
The NPPES record lists a practice address at 15 York St, New Haven, CT, 06510. Phone: (203) 785-2022. Providers update this record themselves, so call before visiting.
How can I verify Katherine Anne Kosiv, MD's license?
NPPES lists Connecticut license number 63959, 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 Katherine Anne Kosiv, MD's MIPS final score?
The 2023 MIPS final score is 73.6 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.