Dr. Michael Koumjian, MD
5525 Grossmont Center DR, Ste 609, LA Mesa, CA 91942 • +1-664-555-9178
Medical Education: Accredited U.S. Medical School (Class of 2004)
What This Doctor Actually Performs: CMS Medicare Utilization & LA Mesa Percentiles
NPI #1366403321 • CBSA Regional • Cardiac Surgery
Dr. Michael Koumjian, MD (NPI #1366403321) practices Cardiac Surgery in LA Mesa, CA (91942) with sub-specialty concentration in 105 Active CMS HCPCS Codes, recording 1,126 annual CMS services across 131 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th LA Mesa percentile) (-0.47σ vs CA state mean, 57.69th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Koumjian (averaging 8.6 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (507 encounters), paired with 99213 (293x).
At 5525 Grossmont Center DR, Ste 609 (91942), Dr. Michael Koumjian, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$239.00 per new consult (4.61/5 bedside rating).
NPI registry verification (#1366403321) confirms Dr. Michael Koumjian's MD standing serving CBSA 91942 with a 4.67/5 patient scorecard.
Compared against LA Mesa, CA Cardiac Surgery peers
1,126 annual services across 131 beneficiaries
Standard deviations from CA Cardiac Surgery 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 | 507 | 12th | $215 – $295 |
| 99213 | Established Preventive & Chronic Care Visit | 293 | 12th | $165 – $226 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 146 | 12th | $79 – $108 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 113 | 12th | $253 – $347 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 68 | 12th | $300 – $411 |
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Dr. Michael Koumjian, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Koumjian National Provider Identifier | NPI #1366403321 (MD) | CMS NPPES Registry (91942) |
| Dr. Koumjian LA Mesa CMS Volume Rank | 0.00th Pct (1,126 CMS svcs; Z -0.465σ) | CMS Medicare Part B (CA Cardiac Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (LA Mesa, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.64/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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