Dr. Than Ma, MD
6501 Coyle Ave, Carmichael, CA 95608 • +1-608-555-7870
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Carmichael Percentiles
NPI #1457589129 • CBSA Regional • Hospitalist
Operating out of Carmichael, CA (6501 Coyle Ave), Hospitalist clinician Dr. Than Ma, MD (accredited MD/DO training, 2018) maintains a upper-quartile active clinical volume (75th Carmichael percentile) (68.58th CA percentile; Z-score -0.06σ across 1,106 documented services) with sub-specialty concentration in 7 Active CMS HCPCS Codes.
Procedural volume for Dr. Ma is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 498 annual services, $216–$296 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 288/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 144/yr).
For out-of-network patients contacting +1-608-555-7870, Dr. Ma's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.55/5 composite reality score over 26 submissions).
Patients evaluating Dr. Than Ma in ZIP 95608 note 8 years of post-doctoral tenure (null, 2018) alongside 2.4 annual CMS procedures per patient.
Compared against Carmichael, CA Hospitalist peers
1,106 annual services across 457 beneficiaries
Standard deviations from CA Hospitalist 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 | 498 | 75th | $216 – $296 |
| 99213 | Established Preventive & Chronic Care Visit | 288 | 72th | $166 – $227 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 144 | 74th | $79 – $108 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 111 | 70th | $254 – $348 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 66 | 74th | $301 – $413 |
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Dr. Than Ma, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ma National Provider Identifier | NPI #1457589129 (MD) | CMS NPPES Registry (95608) |
| Dr. Ma Carmichael CMS Volume Rank | 75.00th Pct (1,106 CMS svcs; Z -0.061σ) | CMS Medicare Part B (CA Hospitalist) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Carmichael, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.87/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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