What is Chantal O'brien's specialty?

Chantal O'brien (NPI 1124165402) is a Medicare-billing provider whose primary specialty is Pain Management in Aurora, CO.

Where does Chantal O'brien practice?

Chantal O'brien practices in Aurora, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1124165402.

How much does Medicare pay Chantal O'brien?

Chantal O'brien (NPI 1124165402) received approximately $20K in total Medicare Part B payments, serving 114 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1124165402

Chantal O'brienMD

PRACTICEJAVIER WAKSMAN MD,PC.See all providers at this practice →

Pain ManagementAurora, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

136

Unique beneficiaries

—

Total services

160

Distinct HCPCS

Medicare payment

$14K

Peer benchmark

Total Medicare services vs. 33 Pain Management providers in CO — bottom quintile (cohort median 1,032).

PRESCRIBING · PART D · 2024

Total Rx claims

2,334

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

Brand share

48.4%

Top prescribed drugs

Rimegepant Sulfate187 claims

Galcanezumab-Gnlm141 claims

Atogepant134 claims

Ubrogepant133 claims

Memantine Hcl99 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 060022

Hospital

CCN 060024

Hospital

CCN 060132

Hospital

REFERRAL NETWORK

Where Chantal O'brien's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 2 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSITY OF COLORADO HOSPITAL AUTHORITY	75	629
Thomas Suby-Long Diagnostic Radiology · Aurora, CO	15	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF COLORADO HOSPITAL AUTHORITY	95	1,045
Justin Honce Diagnostic Radiology · Aurora, CO	21	43
Lidia Nagae Diagnostic Radiology · Tucson, AZ	15	36
Eric Nyberg Diagnostic Radiology · Fort Collins, CO	12	27
Daniel Vargas Diagnostic Radiology · Aurora, CO	12	38
Matthew West Neurology · Aurora, CO	11	85
Manuel Borges Diagnostic Radiology · Aurora, CO	11	34
Cornelia Drees Neurology · Scottsdale, AZ	11	33

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events