Dr. Michael Dao, MD
9191 Westminster Ave, Garden Grove, CA 92844 • +1-928-555-9877
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Garden Grove Percentiles
NPI #1437321932 • CBSA Regional • Internal Medicine
Within the Garden Grove, CA (CBSA local) Internal Medicine cohort, Dr. Michael Dao, MD with sub-specialty concentration in 73 Active CMS HCPCS Codes ranks at the 91.67th municipal percentile and 96.35th CA percentile (+0.34σ Z-score) based on 15,802 billed procedures for 1,896 patients.
Medicare Part B line-item claims for Dr. Michael Dao (92844) place 99214 at the top of the practice ledger (6031 yearly units, 91.67th metro rank), rounded out by 99213 and 93000.
Uninsured and high-deductible cash patients visiting Dr. Michael Dao in Garden Grove (92844) face an estimated $239.00 initial evaluation fee at 9191 Westminster Ave (hybrid in-clinic and telehealth video consults; 21-minute average reception wait; bedside manner 4.58/5 from 5 verified reports).
NPI registry verification (#1437321932) confirms Dr. Michael Dao's MD standing serving CBSA 92844 with a 4.54/5 patient scorecard.
Top 10% Internal Medicine volume leader in Garden Grove, CA
15,802 annual services across 1,896 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 | 6,031 | 91.67th | $137 – $188 |
| 99213 | Established Preventive & Chronic Care Visit | 3,485 | 88.67th | $105 – $144 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,742 | 90.67th | $50 – $69 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 1,340 | 87.67th | $161 – $221 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 804 | 91.67th | $191 – $262 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (73 HCPCS billing breadth) | 2,400 | 91.67th | $124 – $180 |
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Dr. Michael Dao, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Dao National Provider Identifier | NPI #1437321932 (MD) | CMS NPPES Registry (92844) |
| Dr. Dao Garden Grove CMS Volume Rank | 91.67th Pct (15,802 CMS svcs; Z +0.337σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Garden Grove, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.82/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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