Dr. Karen Peterson, MD
960 E Green St Ste 208, Pasadena, CA 91106 • +1-288-555-5853
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Pasadena Percentiles
NPI #1518970235 • CBSA Regional • Otolaryngology
Operating out of Pasadena, CA (960 E Green St Ste 208), Otolaryngology clinician Dr. Karen Peterson, MD (accredited MD/DO training, 2011) maintains a focused low-volume boutique caseload (0th Pasadena percentile) (13.93th CA percentile; Z-score -0.21σ across 848 documented services) with sub-specialty concentration in 47 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 960 E Green St Ste 208 shows Dr. Karen Peterson's primary concentration in Focused Ear, Nose, Sinus & Throat Examination (code 99213: 288x/yr, 12th local percentile) alongside Diagnostic Rigid/Flexible Nasal & Sinus Endoscopy (31231: 212x/yr, $334–$458).
Uninsured and high-deductible cash patients visiting Dr. Karen Peterson in Pasadena (91106) face an estimated $239.00 initial evaluation fee at 960 E Green St Ste 208 (hybrid in-clinic and telehealth video consults; 18-minute average reception wait; bedside manner 4.64/5 from 10 verified reports).
Patients evaluating Dr. Karen Peterson in ZIP 91106 note 15 years of post-doctoral tenure (null, 2011) alongside 2.4 annual CMS procedures per patient.
Compared against Pasadena, CA Otolaryngology peers
848 annual services across 360 beneficiaries
Standard deviations from CA Otolaryngology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99213 | Focused Ear, Nose, Sinus & Throat Examination | 288 | 12th | $166 – $228 |
| 31231 | Diagnostic Rigid/Flexible Nasal & Sinus Endoscopy | 212 | 12th | $334 – $458 |
| 31575 | Flexible Fiberoptic Laryngoscopy Vocal Cord Inspection | 161 | 12th | $244 – $334 |
| 92557 | Comprehensive Pure-Tone Audiometry & Speech Recognition | 110 | 12th | $117 – $161 |
| 69210 | Instrumented Impacted Cerumen Removal Under Microscopy | 76 | 12th | $105 – $144 |
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Dr. Karen Peterson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Peterson National Provider Identifier | NPI #1518970235 (MD) | CMS NPPES Registry (91106) |
| Dr. Peterson Pasadena CMS Volume Rank | 0.00th Pct (848 CMS svcs; Z -0.213σ) | CMS Medicare Part B (CA Otolaryngology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Pasadena, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.64/5 Listening • 4.62/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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