NPPES file of Aug 9, 2026

Erin E. O'Sullivan, N.P.

Gerontology Nurse Practitioner · Nashville, TN

Erin E. O'Sullivan, N.P. is a gerontology nurse practitioner with a practice address in Nashville, Tennessee, and NPI 1558339887, issued on Mar 11, 2006. Check the license (Tennessee 29491, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558339887
Name
Erin E. O'Sullivan
Credential
N.P.
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License numbers
29491 TN
208041 MA
Self-reported in NPPES; status is on the state search
Practice location
3601 The Vanderbilt Clinic, Nashville, TN 37232
Phone
(615) 322-3000
Enumerated
Mar 11, 2006
Record last updated
Mar 29, 2022
Medicaid ID
0700142 MA
Medicare enrollment
Enrolled (PECOS I20040615000225); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3601 The Vanderbilt Clinic

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristie AamodtPediatric Endocrinology Physician1780115931
  2. Hibo Abdi, APRNGerontology Nurse Practitioner1336761758
  3. Hodan Abdi, NPFamily Nurse Practitioner1710383922
  4. Cecilia Abello, PA-CPhysician Assistant1760336101
  5. Ahad Abid, MDInternal Medicine Physician1316500176
  6. Yara Aboshady, MDObstetrics & Gynecology Physician1558998971

Verify Erin E. O'Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 29491
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

95% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

62 Medicare Part D claims for 30 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Erin O'Sullivan62
  2. Specialty average1,369

Most prescribed

  1. Triamcinolone Acetonide17 claims
  2. Santyl12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $34.37

1 payment: food and beverage; the largest payer was Solventum Corporation. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Erin O'Sullivan$34.37
  2. Specialty average$742.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hallmark Health Medical Associates IncMelrose, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gerontology Nurse Practitioner providers in Tennessee

There are 379 gerontology nurse practitioner records in Tennessee.

Other gerontology nurse practitioner records in Tennessee

  1. Hibo Abdi, APRNNashville, TN1336761758
  2. Samina Ahmad, NP-CNashville, TN1740648419
  3. Diane Allen, APRNNashville, TN1609322007
  4. Julianna Allen, NPNashville, TN1295605301
  5. Lindsay Amick, NPNashville, TN1043750201
  6. Lisa Archer, RN, APRNCordova, TN1821732488
  7. Maribel Arguinzoni, MSN, AGPCNP-BC, WCCGermantown, TN1336151174
  8. Nicole ArringtonMurfreesboro, TN1346012911
  9. Ladonia Atwater, AG-ACNPBrentwood, TN1316635261
  10. Elizabeth Baca, AGACNP-BCNashville, TN1023730975

Common questions

What is Erin E. O'Sullivan, N.P.'s NPI number?

Erin E. O'Sullivan, N.P.'s National Provider Identifier (NPI) is 1558339887, issued on Mar 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Erin E. O'Sullivan, N.P. located?

The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 322-3000. Providers update this record themselves, so call before visiting.

How can I verify Erin E. O'Sullivan, N.P.'s license?

NPPES lists Tennessee license number 29491, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Erin E. O'Sullivan, N.P. prescribe under Medicare Part D?

In 2024, Erin E. O'Sullivan, N.P. had 62 Medicare Part D claims for 30 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.