Registry data as of Aug 27, 2026

Erin O'Brien, NP

Family Nurse Practitioner · Vergennes, VT

Erin O'Brien, NP is a family nurse practitioner with a practice address in Vergennes, Vermont, and NPI 1548614522, issued on Apr 15, 2016. Check the license (Vermont 101.0119758, as entered in NPPES) with the Vermont board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1548614522
Name
Erin O'Brien
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
101.0119758 VT
0024175117 VA
Self-reported in NPPES; status is on the state search
Practice location
10 North St, Vergennes, VT 05491
Phone
(802) 877-3466
Enumerated
Apr 15, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10 North St

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

  1. Catherine Ayers, M.D.Family Medicine Physician1114269503
  2. Timothy Bicknell, MDFamily Medicine Physician1801885298
  3. Christin Bland, FNPFamily Nurse Practitioner1174817852
  4. Dylan Estes, M.D.Family Medicine Physician1003278144
  5. Karen Fromhold, M.D.Student in an Organized Health Care Education/Training Program1609018621
  6. Kate GeschwindFamily Medicine Physician1699356576

Verify Erin O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Vermont board licenses this profession
    Search for license 101.0119758
    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 Vermont 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.

96% fewer Medicare Part D claims than the average family nurse practitioner in 2024

53 Medicare Part D claims for 14 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D.

  1. Erin O'Brien53
  2. Specialty average1,302

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.

2 family nurse practitioner records list a Vergennes practice address

They are 2 of the 48 NPPES records with a Vergennes practice address, and 417 family nurse practitioner records in Vermont.

Other family nurse practitioner records in Vermont

  1. Lanre Abawonse, APRNBurlington, VT1750245692
  2. Tara Abele, MSN, FNPColchester, VT1336163971
  3. Lauren Abramowitz, FNPMontpelier, VT1548670227
  4. Adelaide Adjovu, NPLyndonville, VT1093227571
  5. Christie Aldrich, FNPBarton, VT1902909922
  6. Gaylen Alexander, APRN, FNP-CRutland, VT1467165852
  7. Emily Alfano, APRNBerlin, VT1053796144
  8. Kristin Andrew, FNPBennington, VT1497437461
  9. Kristen Aremburg, APRNWhite River Junction, VT1346528346
  10. Shoshana AronowitzBurlington, VT1053705376

Common questions

What is Erin O'Brien, NP's NPI number?

Erin O'Brien, NP's National Provider Identifier (NPI) is 1548614522, issued on Apr 15, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Erin O'Brien, NP located?

The NPPES record lists a practice address at 10 North St, Vergennes, VT, 05491. Phone: (802) 877-3466. Providers update this record themselves, so call before visiting.

How can I verify Erin O'Brien, NP's license?

NPPES lists Vermont license number 101.0119758, as entered by the provider. Search the Vermont board that licenses this profession; the NPPES record confirms identity only.

How much does Erin O'Brien, NP prescribe under Medicare Part D?

In 2024, Erin O'Brien, NP had 53 Medicare Part D claims for 14 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.