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

Erin A O'Sullivan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1336133511

Erin A O'Sullivan, MD is an Obstetrics & Gynecology Physician in Phoenix, Arizona. Licensed in Arizona. Registered with an NPI since 2005.

Licensed in
AZ
In the registry since
2005
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

9305 W Thomas Rd Ste 155
Phoenix, AZ 85037-3360
Phone: (623) 936-1780
Fax: (623) 936-9116
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 24088 (AZ)

Record details

NPI number1336133511
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 2, 2005
Last updated in NPPESMay 24, 2023
Certification dateMay 24, 2023

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