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

Mrs. Johanna Laine D'Addario, PA-C

Individual provider Physician Assistant · NPI 1992940266

Mrs. Johanna Laine D'Addario, PA-C is a Physician Assistant in New Haven, Connecticut. Qualified in 2008, 18 years ago. Practices with Yale University, a 2,618-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
18
Licensed in
CT
In the registry since
2008
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

20 York St
New Haven, CT 06510-3220
Phone: (203) 688-2615
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 2578 (CT)
Physician Assistant Taxonomy 363A00000X

Record details

NPI number1992940266
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedDecember 15, 2008
Last updated in NPPESDecember 7, 2022
Certification dateDecember 7, 2022

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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