Dr. William Gillespie, MD
510 S Grand Ave Ste 200, Glendora, CA 91741 • +1-619-555-4889
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Glendora Percentiles
NPI #1538238118 • CBSA Regional • Psychiatry
Dr. William Gillespie, MD (NPI #1538238118) practices Psychiatry in Glendora, CA (91741) with sub-specialty concentration in 17 Active CMS HCPCS Codes, recording 5,514 annual CMS services across 1,248 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (75th Glendora percentile) (+1.22σ vs CA state mean, 97.08th statewide percentile).
Dr. Gillespie's longitudinal care intensity (4.4 billed units per patient across 1248 individuals) centers on 99214 (2426 annual units) and 90833 ($117–$160 cash range).
Direct cash-pay transparency modeling sets Dr. Gillespie's baseline new-consult rate near $239.00 in Glendora, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 11-minute average reception wait).
Clinical background for Dr. Gillespie (MD, NPI #1538238118) includes accredited doctoral training (1997, 29 yrs in practice) and virtual + in-office availability across CA.
Compared against Glendora, CA Psychiatry peers
5,514 annual services across 1,248 beneficiaries
Standard deviations from CA Psychiatry mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Psychopharmacology Medication & Symptom Titration Visit | 2,426 | 75th | $162 – $223 |
| 90833 | Add-On Focused Psychotherapy w/ Medical Evaluation (30 min) | 1,544 | 77th | $117 – $160 |
| 99213 | Established Behavioral Health Maintenance Follow-Up | 882 | 73th | $124 – $170 |
| 90792 | Comprehensive Psychiatric Diagnostic & Medical Evaluation | 662 | 71th | $255 – $349 |
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Dr. William Gillespie, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gillespie National Provider Identifier | NPI #1538238118 (MD) | CMS NPPES Registry (91741) |
| Dr. Gillespie Glendora CMS Volume Rank | 75.00th Pct (5,514 CMS svcs; Z +1.220σ) | CMS Medicare Part B (CA Psychiatry) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Glendora, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 11 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.81/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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