Dr. Marilyn Mcgowan, MD
892 Aerovista Pl Ste 210, San Luis Obispo, CA 93401 • +1-651-555-5443
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & San Luis Obispo Percentiles
NPI #1417586835 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across CA Internal Medicine providers positions Dr. Marilyn Mcgowan, MD in San Luis Obispo at -0.10σ (11.76th city percentile / 19.99th state percentile, 440 Medicare beneficiaries), with clinical focus spanning 34 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 892 Aerovista Pl Ste 210 shows Dr. Marilyn Mcgowan's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 378x/yr, 12th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 218x/yr, $166–$227).
Self-pay new patient consultations with Dr. Mcgowan (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 21-minute average reception wait, and a 4.49/5 modern protocol openness score across 11 patient logs.
NPI registry verification (#1417586835) confirms Dr. Marilyn Mcgowan's MD standing serving CBSA 93401 with a 4.52/5 patient scorecard.
Compared against San Luis Obispo, CA Internal Medicine peers
864 annual services across 440 beneficiaries
Standard deviations from CA Internal Medicine 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 | 378 | 12th | $216 – $297 |
| 99213 | Established Preventive & Chronic Care Visit | 218 | 16.76th | $166 – $227 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 109 | 15.76th | $79 – $108 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 84 | 14.76th | $254 – $348 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 50 | 12th | $301 – $413 |
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Dr. Marilyn Mcgowan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mcgowan National Provider Identifier | NPI #1417586835 (MD) | CMS NPPES Registry (93401) |
| Dr. Mcgowan San Luis Obispo CMS Volume Rank | 11.76th Pct (864 CMS svcs; Z -0.103σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Luis Obispo, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.74/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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