Dr. Aimee Chagnon, MD
1456 Professional DR Ste 402, Petaluma, CA 94954 • +1-688-555-4867
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Petaluma Percentiles
NPI #1548450448 • CBSA Regional • Neurology
Operating out of Petaluma, CA (1456 Professional DR Ste 402), Neurology clinician Dr. Aimee Chagnon, MD (accredited MD/DO training, 1997) maintains a focused low-volume boutique caseload (0th Petaluma percentile) (20.58th CA percentile; Z-score -0.34σ across 981 documented services) with sub-specialty concentration in 7 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Aimee Chagnon (94954) place 99214 at the top of the practice ledger (412 yearly units, 12th metro rank), rounded out by 95910 and 95819.
At 1456 Professional DR Ste 402 (94954), Dr. Aimee Chagnon, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.92/5 bedside rating).
NPI registry verification (#1548450448) confirms Dr. Aimee Chagnon's MD standing serving CBSA 94954 with a 4.58/5 patient scorecard.
Compared against Petaluma, CA Neurology peers
981 annual services across 222 beneficiaries
Standard deviations from CA Neurology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Neurologic, Migraine & Movement Evaluation | 412 | 12th | $212 – $290 |
| 95910 | 7–8 Nerve Conduction Electrodiagnostic Neuropathy Study | 196 | 12th | $350 – $480 |
| 95819 | Awake & Drowsy Electroencephalogram (EEG) Recording | 157 | 12th | $314 – $430 |
| 64615 | Chemodenervation of Cranial/Cervical Muscles for Chronic Migraine | 118 | 12th | $332 – $455 |
| 99204 | Comprehensive New Patient Neurologic Examination | 98 | 12th | $296 – $406 |
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Dr. Aimee Chagnon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chagnon National Provider Identifier | NPI #1548450448 (MD) | CMS NPPES Registry (94954) |
| Dr. Chagnon Petaluma CMS Volume Rank | 0.00th Pct (981 CMS svcs; Z -0.341σ) | CMS Medicare Part B (CA Neurology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Petaluma, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 17 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.92/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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