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

Catherine Elizabeth O'Neill, PA-C

Individual provider Physician Assistant · NPI 1407455116

Catherine Elizabeth O'Neill, PA-C is a Physician Assistant in Concord, California. Qualified in 2020, 6 years ago. Practices with Central Coast Allergy and Asthma, a 6-clinician group and accepts Medicare assignment.

Years since qualifying
6
In the registry since
2020
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

4397 Arrowwood Cir
Concord, CA 94521-4428
Phone: (925) 326-8453
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1407455116
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedOctober 22, 2020
Last updated in NPPESJune 3, 2021
Certification dateJune 3, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Central Coast Allergy And Asthma — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Concord