What is Aimee Chagnon's specialty?

Aimee Chagnon (NPI 1548450448) is a Medicare-billing provider whose primary specialty is Neurology in Petaluma, CA.

Where does Aimee Chagnon practice?

Aimee Chagnon practices in Petaluma, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1548450448.

How much does Medicare pay Aimee Chagnon?

Aimee Chagnon (NPI 1548450448) received approximately $86K in total Medicare Part B payments, serving 222 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548450448

Aimee ChagnonMD

PRACTICESONOMA PAIN MANAGEMENT, INCSee all providers at this practice →

NeurologyPetaluma, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

460

Unique beneficiaries

—

Total services

952

Distinct HCPCS

Medicare payment

$84K

Peer benchmark

Total Medicare services vs. 1,670 Neurology providers in CA — above median (cohort median 581).

PRESCRIBING · PART D · 2024

Total Rx claims

2,689

Beneficiaries

—

Total drug cost

$654K

Distinct drugs

Brand share

23.1%

Top prescribed drugs

Oxycodone Hcl170 claims

Hydrocodone/Acetaminophen149 claims

Pregabalin124 claims

Morphine Sulfate109 claims

Carbidopa/Levodopa108 claims

QUALITY · MIPS · 2024

Final MIPS score

91.9

Quality

81.9

Cost

0.0

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.71%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$15

Payment records

By payment type

Food and Beverage$15

Top paying entities

Food and Beverage$15

REFERRAL NETWORK

Where Aimee Chagnon'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Robert Wirth Diagnostic Radiology · Novato, CA	45	87
William Demartini Diagnostic Radiology · Greenbrae, CA	43	82
Brian Sebastian Internal Medicine · Sonoma, CA	31	95
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	26	73
James Price Internal Medicine · Sonoma, CA	25	66
NORCAL HEALTHCONNECT LLC	20	62
Subhash Mishra Family Practice · Sonoma, CA	17	39
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	16	61
Brian Nagai Diagnostic Radiology · Fremont, CA	15	28
SCHAFER, JOHN	12	49
Philip Kurzman Diagnostic Radiology · Greenbrae, CA	12	21

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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