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

Christopher Thomas Breen, MD

Individual provider Internal Medicine Physician · NPI 1093380016

Christopher Thomas Breen, MD is a Hospitalist in New York, New York. Graduated from Yale University School of Medicine in 2021, 5 years ago. Practices with Regents of the University of California, a 717-clinician group and accepts Medicare assignment. Licensed in California, New Jersey and New York.

Years since qualifying
5
Trained at
Yale University School of Medicine
Licensed in
CA, NJ, NY
In the registry since
2021
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

1275 York Ave
New York, NY 10065-6007
Phone: (646) 227-3378
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA13120900 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 344894 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence A196272 (CA)

Record details

NPI number1093380016
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 21, 2021
Last updated in NPPESJune 16, 2026
Certification dateJune 16, 2026

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Regents Of The University Of California — 717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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