Dr. Karen Michelle Guiang, DO
935 W Foothill Blvd, Claremont, CA 91711 • +1-678-555-3091
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Claremont Percentiles
NPI #1871738344 • CBSA Regional • Infectious Disease
Dr. Karen Michelle Guiang, DO (NPI #1871738344) practices Infectious Disease in Claremont, CA (91711) with sub-specialty concentration in 16 Active CMS HCPCS Codes, recording 76,534 annual CMS services across 736 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (80th Claremont percentile) (+2.63σ vs CA state mean, 98.84th statewide percentile).
Granular CPT/HCPCS billing distribution at 935 W Foothill Blvd shows Dr. Karen Michelle Guiang's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 2449x/yr, 80th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 1415x/yr, $38–$53).
For out-of-network patients contacting +1-678-555-3091, Dr. Guiang's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.89/5 composite reality score over 12 submissions).
Spanning 10 years of clinical practice following 2016 graduation from medical training, Dr. Karen Michelle Guiang integrates 16 Active CMS HCPCS Codes diagnostics for Claremont metro patients.
Compared against Claremont, CA Infectious Disease peers
76,534 annual services across 736 beneficiaries
Standard deviations from CA Infectious Disease mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 2,449 | 80th | $50 – $68 |
| 99213 | Established Preventive & Chronic Care Visit | 1,415 | 83th | $38 – $53 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 707 | 77th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 544 | 77th | $58 – $80 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 327 | 75th | $69 – $94 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (16 HCPCS billing breadth) | 71,092 | 80th | $45 – $65 |
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Dr. Karen Michelle Guiang, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Guiang National Provider Identifier | NPI #1871738344 (DO) | CMS NPPES Registry (91711) |
| Dr. Guiang Claremont CMS Volume Rank | 80.00th Pct (76,534 CMS svcs; Z +2.630σ) | CMS Medicare Part B (CA Infectious Disease) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Claremont, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 14 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.80/5 Listening • 4.61/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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