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

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1720240302

Alexa J. Siddon, MD is a Pathology in New Haven, Connecticut. Qualified in 2008, 18 years ago. Practices with Yale University, a 2,618-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
18
Licensed in
CT
In the registry since
2008
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 T-209
New Haven, CT 06510-3220
Phone: (203) 688-2259
Fax: (203) 688-5599
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 050417 (CT)

Record details

NPI number1720240302
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 25, 2008
Last updated in NPPESAugust 29, 2013
Mailing address20 York St, T-209, New Haven, CT 06510-3220

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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