Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ian Robert O'Sullivan, MD, PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1083473300

Dr. Ian Robert O'Sullivan, MD, PHD is a Student in an Organized Health Care Education/Training Program in Sonora, California. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

193 Fairview Ln
Sonora, CA 95370-4828
Phone: (209) 536-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1083473300
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 18, 2024
Last updated in NPPESMarch 18, 2024
Certification dateMarch 18, 2024

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