DR. RYAN DAVID KOSKI-VACIRCA MD, MPH
NPI 1386227403
Emergency Medicine in New Haven, CT

Active since May 05, 2021PECOS EnrolledAccepts Medicare Assignment
20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 Get Directions Write a Review

NPPES record last updated: July 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 5, 2025, May 5, 2021 (2 updates tracked since 2021).

About Dr. Ryan David Koski-vacirca Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RYAN DAVID KOSKI-VACIRCA MD, MPH (NPI 1386227403) is an individual emergency medicine provider in New Haven, Connecticut, licensed in Connecticut (80654) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Wake Forest University School Of Medicine (2021).

NPPES Registry Identity

NPI1386227403
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. RYAN DAVID KOSKI-VACIRCACredential: MD, MPH
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address464 Congress AveNew Haven, CT 06519-1361 · (203) 688-4242
Sole ProprietorNo
Medical School CMSWake Forest University School Of MedicineGraduated 2021
Enumeration DateMay 5, 2021
Last NPPES UpdateJuly 5, 20252 updates tracked since enumeration
NPPES CertifiedJuly 5, 2025
✔ NPI 1386227403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CT · 80654
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
20 YORK ST, New Haven, CT 06510

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ryan David Koski-vacirca Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173922697
PECOS Enrollment IDI20250612002693
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Ryan Koski-vacirca reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
General Acute Care Hospital
300 SEASIDE AVE
Milford, CT 06460
  • Reassigned Medicare billing, Connecticut enrollment
  • 219 clinicians in this Medicare group
General Acute Care Hospital
5 PERRYRIDGE RD
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • 268 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
Social Worker (Clinical)
20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Koski-vacirca's NPI number?

The NPI number for Ryan Koski-vacirca is 1386227403. It was assigned to this individual provider in the NPPES registry on May 5, 2021.

Where is Ryan Koski-vacirca located?

Ryan Koski-vacirca practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.

What is Ryan Koski-vacirca's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ryan Koski-vacirca enrolled in Medicare?

Yes. Ryan Koski-vacirca is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ryan Koski-vacirca's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Koski-vacirca reassigns Medicare benefits to 3 organizations: Yale University (New Haven, CT), Bridgeport Hospital (Milford, CT) and Greenwich Hospital (Greenwich, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Koski-vacirca's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ryan Koski-vacirca was last updated on July 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.