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

Erin E O'Sullivan, NP

Individual provider Nurse Practitioner · NPI 1558339887

Erin E O'Sullivan, NP is a Nurse Practitioner in Nashville, Tennessee. Qualified in 1998, 28 years ago. Practices with Hallmark Health Medical Associates Inc, a 149-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts and Tennessee.

Years since qualifying
28
Licensed in
MA, TN
In the registry since
2006
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

3601 The Vanderbilt Clinic
Nashville, TN 37232-3623
Phone: (615) 322-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 91 Montvale Ave, Stoneham, MA 02180-3623 — (781) 279-1123

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence 29491 (TN)
Nurse Practitioner Taxonomy 363L00000X · Licence 208041 (MA)

Record details

NPI number1558339887
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMarch 11, 2006
Last updated in NPPESMarch 29, 2022
Certification dateMarch 29, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Hallmark Health Medical Associates Inc — 149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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