Dr. Mary Chao, DO
1540 Lake Lansing Rd, Suite 102, Lansing, MI 48912 • +1-644-555-4234
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Lansing Percentiles
NPI #1881814002 • CBSA Regional • Internal Medicine
Operating out of Lansing, MI (1540 Lake Lansing Rd, Suite 102), Internal Medicine clinician Dr. Mary Chao, DO (accredited MD/DO training, 1993) maintains a focused low-volume boutique caseload (22.22th Lansing percentile) (9.56th MI percentile; Z-score -0.23σ across 699 documented services) with sub-specialty concentration in 24 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Chao (averaging 3.4 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (315 encounters), paired with 99213 (182x).
Cash-pay intake data for NPI 1881814002 (1540 Lake Lansing Rd, Suite 102, Lansing) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 10-minute average reception wait and 4.60/5 biomarker openness.
Patients evaluating Dr. Mary Chao in ZIP 48912 note 33 years of post-doctoral tenure (null, 1993) alongside 3.4 annual CMS procedures per patient.
Compared against Lansing, MI Internal Medicine peers
699 annual services across 208 beneficiaries
Standard deviations from MI 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 | 315 | 22.22th | $128 – $176 |
| 99213 | Established Preventive & Chronic Care Visit | 182 | 27.22th | $98 – $134 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 91 | 25.22th | $47 – $64 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 70 | 20.22th | $150 – $206 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 42 | 21.22th | $178 – $244 |
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Dr. Mary Chao, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chao National Provider Identifier | NPI #1881814002 (DO) | CMS NPPES Registry (48912) |
| Dr. Chao Lansing CMS Volume Rank | 22.22th Pct (699 CMS svcs; Z -0.226σ) | CMS Medicare Part B (MI Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Lansing, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 16 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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