DR. AARON O'BRIEN DO
NPI 1023768157
Internal Medicine in Burlington, VT

Active since March 23, 2022PECOS EnrolledAccepts Medicare Assignment
111 COLCHESTER AVE, BURLINGTON, VT 05401(802) 847-2345 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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

NPI1023768157
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. AARON O'BRIENCredential: DO
Location Address111 COLCHESTER AVEBurlington, VT 05401-1473
Mailing Address111 Colchester AveBurlington, VT 05401-1473 · (419) 601-4281
Sole ProprietorNo
Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 2022
Enumeration DateMarch 23, 2022
Last NPPES UpdateAugust 21, 2025
NPPES CertifiedAugust 21, 2025
NPI 1023768157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in VT · 032.0134256
Definition

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.

111 COLCHESTER AVE, Burlington, VT 05401

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.

PECOS PAC ID547648792
PECOS Enrollment IDI20250814001927
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330250
Location75 Beekman StreetPlattsburgh, NY 12901 · Clinton County
Emergency services Birthing friendly

Univ. Of Vermont - Fletcher Allen Health Care

Acute Care Hospitals · Burlington, VT
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number470003
Location111 Colchester AveBurlington, VT 05401 · Chittenden County
Emergency services Birthing friendly

Porter Hospital, Inc

Critical Access Hospitals · Middlebury, VT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number471307
Location115 Porter DriveMiddlebury, VT 05753 · Addison County
Emergency services Birthing friendly

Physician 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.

New Patient
$127.71 typical visit price
range $55.80 – $168.48
Typical copayment $31.92 (range $13.95 – $42.12)
Most-billed visit code 99204
Established Patient
$98.40 typical visit price
range $18.08 – $137.84
Typical copayment $24.60 (range $4.52 – $34.46)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine (Pulmonary Disease)
111 COLCHESTER AVE, UVM MEDICAL CENTER, DEPT OF INTERNAL MEDICINE, 222WP2
BURLINGTON, VT 05401
Student in an Organized Health Care Education/Training Program
111 COLCHESTER AVE
BURLINGTON, VT 05401
Pediatrics
111 COLCHESTER AVE
BURLINGTON, VT 05401
Student in an Organized Health Care Education/Training Program
111 COLCHESTER AVE
BURLINGTON, VT 05401
Student in an Organized Health Care Education/Training Program
111 COLCHESTER AVE
BURLINGTON, VT 05401
Pathology (Clinical Laboratory Director, Non-physician)
111 COLCHESTER AVE
BURLINGTON, VT 05401
Registered Nurse (Medical-Surgical)
111 COLCHESTER AVE
BURLINGTON, VT 05401
Nurse Practitioner (Neonatal)
111 COLCHESTER AVE
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.