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

Dr. Tania A Cossio, MD

Individual provider Anesthesiology Physician · NPI 1558701227

Dr. Tania A Cossio, MD is an Anesthesiology in New Haven, Connecticut. Graduated from New York Medical College in 2013, 13 years ago. Practices with Mass General Brigham Medical Group Western Massachusetts Inc, a 293-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Connecticut, Massachusetts and New York.

Years since qualifying
13
Trained at
New York Medical College
Licensed in
CT, MA, NY
In the registry since
2013
Specialties on file
3
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
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 234 E 149th St, Bronx, NY 10451-5504 — (718) 579-5000
  • 1400 Pelham Pkwy S, Bronx, NY 10461-1138 — (718) 918-3230
  • 506 Lenox Ave, New York, NY 10037-1802 — (212) 939-3550

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 83638 (CT)
Anesthesiology Physician Taxonomy 207L00000X · Licence 292549 (MA)
Anesthesiology Physician Taxonomy 207L00000X · Licence 281647-1 (NY)

Record details

NPI number1558701227
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2013
Last updated in NPPESJune 30, 2026
Certification dateJune 30, 2026

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2013 (13 years in practice)
Group practice Mass General Brigham Medical Group Western Massachusetts Inc — 293 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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