Dr. Ka Ling (Karin) Cheung, MD
2637 Shadelands DR, Walnut Creek, CA 94598 • +1-216-555-4882
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Walnut Creek Percentiles
NPI #1881643831 • CBSA Regional • Pulmonary Disease
Dr. Ka Ling (Karin) Cheung, MD (NPI #1881643831) practices Pulmonary Disease in Walnut Creek, CA (94598) with sub-specialty concentration in 22 Active CMS HCPCS Codes, recording 1,865 annual CMS services across 576 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (29.41th Walnut Creek percentile) (-0.22σ vs CA state mean, 54.04th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Cheung (averaging 3.2 services per beneficiary), 99214 (Established Pulmonary, Asthma & COPD Management) represents 41% of tracked volume (765 encounters), paired with 94060 (429x).
At 2637 Shadelands DR (94598), Dr. Ka Ling (Karin) Cheung, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$239.00 per new consult (4.68/5 bedside rating).
From 2637 Shadelands DR in Walnut Creek (+1-216-555-4882), Dr. Cheung, MD (10-year clinical track record) delivers 22 Active CMS HCPCS Codes care.
Compared against Walnut Creek, CA Pulmonary Disease peers
1,865 annual services across 576 beneficiaries
Standard deviations from CA Pulmonary 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 | Established Pulmonary, Asthma & COPD Management | 765 | 29.41th | $274 – $376 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 429 | 31.41th | $179 – $245 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 317 | 26.41th | $162 – $222 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 205 | 27.41th | $501 – $686 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 149 | 26.41th | $386 – $529 |
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Dr. Ka Ling (Karin) Cheung, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Cheung National Provider Identifier | NPI #1881643831 (MD) | CMS NPPES Registry (94598) |
| Dr. Cheung Walnut Creek CMS Volume Rank | 29.41th Pct (1,865 CMS svcs; Z -0.217σ) | CMS Medicare Part B (CA Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Walnut Creek, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.68/5 Listening • 4.92/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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