DR. AARON O'BRIEN DO
NPI 1023768157
Internal Medicine in Burlington, VT
About Dr. Aaron O'brien Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON O'BRIEN DO (NPI 1023768157) is an individual internal medicine provider in Burlington, Vermont, licensed in Vermont (032.0134256) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Champlain Valley Physicians Hospital Medical Ctr, and is a graduate of Ohio University, College Of Osteopathic Medicine (2022).
NPPES Registry Identity
Specialties & Licenses 2
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Aaron O'brien Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Champlain Valley Physicians Hospital Medical Ctr
Acute Care Hospitals · Plattsburgh, NYUniv. Of Vermont - Fletcher Allen Health Care
Acute Care Hospitals · Burlington, VTPorter Hospital, Inc
Critical Access Hospitals · Middlebury, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 05401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Aaron O'brien's NPI number?
The NPI number for Aaron O'brien is 1023768157. It was assigned to this individual provider in the NPPES registry on March 23, 2022.
Where is Aaron O'brien located?
Aaron O'brien practices at 111 Colchester Ave, Burlington, VT 05401. The listed phone number is (802) 847-2345.
What is Aaron O'brien's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Aaron O'brien enrolled in Medicare?
Yes. Aaron O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Aaron O'brien affiliated with any hospitals?
According to CMS data, Aaron O'brien is affiliated with Champlain Valley Physicians Hospital Medical Ctr, Univ. Of Vermont - Fletcher Allen Health Care and Porter Hospital, Inc.
When was this NPI record last updated?
The NPPES record for Aaron O'brien was last updated on August 21, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.