Ryan David Koski-Vacirca, MD, MPH
Emergency Medicine Physician · New Haven, CT
Ryan David Koski-Vacirca, MD, MPH is an emergency medicine physician with a practice address in New Haven, Connecticut, and NPI 1386227403, issued on May 5, 2021. Check the license (Connecticut 80654, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ryan David Koski-Vacirca
- Credential
- MD, MPH
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 80654 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- May 5, 2021
- Record last updated
- Jul 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20250612002693); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
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- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Ryan David Koski-Vacirca in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 80654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average emergency medicine physician in 2024
32 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
3 hospitals and group practices
- Bridgeport HospitalBridgeport, CT · Acute Care Hospitals4 of 5 stars
- Greenwich HospitalGreenwich, CT
- Yale UniversityNew Haven, 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.
Ryan David Koski-Vacirca among 846 emergency medicine physician records in Connecticut
Ryan David Koski-Vacirca, MD, MPH is one of 846 emergency medicine 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · median 2011 among the 574 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
204 emergency medicine physician records list a practice address in New Haven
They are 204 of the 9,793 NPPES records with a practice address in New Haven, and 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in New Haven → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Cone, MDNew Haven, CT 065101770571440
- Leigh Evans, MDNew Haven, CT 065101134100704
- Karen Jubanyik-Barber, MDNew Haven, CT 065101336138098
- Edward Monico, MDNew Haven, CT 065101992789499
- Christopher Moore, MDNew Haven, CT 065101679554240
- Harry Moscovitz, MDNew Haven, CT 065101326038860
- Carolyn Rambus, MDNew Haven, CT 065101083685721
- Basmah Safdar, MDNew Haven, CT 065101942281514
Common questions
What is Ryan David Koski-Vacirca, MD, MPH's NPI number?
Ryan David Koski-Vacirca, MD, MPH's National Provider Identifier (NPI) is 1386227403, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ryan David Koski-Vacirca, MD, MPH 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 Ryan David Koski-Vacirca, MD, MPH's license?
NPPES lists Connecticut license number 80654, 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 Ryan David Koski-Vacirca, MD, MPH prescribe under Medicare Part D?
In 2024, Ryan David Koski-Vacirca, MD, MPH had 32 Medicare Part D claims for 24 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions 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.