Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Zachary Alexander Sesonsky, MD

Individual provider Anesthesiology Physician · NPI 1114458494

Zachary Alexander Sesonsky, MD is an Anesthesiology in New Haven, Connecticut. Graduated from Northeastern Ohio University College of Medicine in 2017, 9 years ago. Practices with Yale University, a 2,618-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Connecticut and Ohio.

Years since qualifying
9
Trained at
Northeastern Ohio University College of Medicine
Licensed in
CT, OH
In the registry since
2017
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

20 York St
New Haven, CT 06510-3220
Phone: (203) 688-4242
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 267 Grant St, Bridgeport, CT 06610-2870 — (203) 384-3000
  • 1450 Chapel St # E2006, New Haven, CT 06511-4440 — (203) 789-3538
  • 234 Goodman St, Cincinnati, OH 45219-2364 — (513) 475-8282

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 1.076857 (CT)
Anesthesiology Physician Taxonomy 207L00000X · Licence 57030320 (OH)
Anesthesiology Physician Taxonomy 207L00000X · Licence 35.141652 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1114458494
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2017
Last updated in NPPESFebruary 5, 2024
Certification dateFebruary 5, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolNORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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