Dr. Don Hammi, MD
4647 Zion Ave, San Diego, CA 92120 • +1-266-555-6427
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & San Diego Percentiles
NPI #1235287269 • CBSA Regional • Internal Medicine
Within the San Diego, CA (CBSA local) Internal Medicine cohort, Dr. Don Hammi, MD with sub-specialty concentration in 5 Active CMS HCPCS Codes ranks at the 20.83th municipal percentile and 25.57th CA percentile (-0.10σ Z-score) based on 940 billed procedures for 388 patients.
Procedural volume for Dr. Hammi is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 423 annual services, $207–$283 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 244/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 122/yr).
Uninsured and high-deductible cash patients visiting Dr. Don Hammi in San Diego (92120) face an estimated $239.00 initial evaluation fee at 4647 Zion Ave (hybrid in-clinic and telehealth video consults; 14-minute average reception wait; bedside manner 4.55/5 from 8 verified reports).
Spanning 8 years of clinical practice following 2018 graduation from medical training, Dr. Don Hammi integrates 5 Active CMS HCPCS Codes diagnostics for San Diego metro patients.
Compared against San Diego, CA Internal Medicine peers
940 annual services across 388 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 | 423 | 20.83th | $207 – $283 |
| 99213 | Established Preventive & Chronic Care Visit | 244 | 20.83th | $158 – $217 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 122 | 25.83th | $76 – $104 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 94 | 25.83th | $243 – $333 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 56 | 16.83th | $288 – $394 |
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Dr. Don Hammi, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hammi National Provider Identifier | NPI #1235287269 (MD) | CMS NPPES Registry (92120) |
| Dr. Hammi San Diego CMS Volume Rank | 20.83th Pct (940 CMS svcs; Z -0.101σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Diego, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 14 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.77/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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