Dr. Mark Nguyen, MD
1130 Nw 22nd Ave Ste 640, Portland, OR 97210 • +1-226-555-7300
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Portland Percentiles
NPI #1427348150 • CBSA Regional • Nephrology
Operating out of Portland, OR (1130 Nw 22nd Ave Ste 640), Nephrology clinician Dr. Mark Nguyen, MD (accredited MD/DO training, 2003) maintains a focused low-volume boutique caseload (15.79th Portland percentile) (29.82th OR percentile; Z-score -0.44σ across 1,134 documented services) with sub-specialty concentration in 22 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Mark Nguyen (97210) place 99214 at the top of the practice ledger (544 yearly units, 15.79th metro rank), rounded out by 90960 and 99215.
Uninsured and high-deductible cash patients visiting Dr. Mark Nguyen in Portland (97210) face an estimated $209.00 initial evaluation fee at 1130 Nw 22nd Ave Ste 640 (hybrid in-clinic and telehealth video consults; 11-minute average reception wait; bedside manner 4.71/5 from 11 verified reports).
Spanning 23 years of clinical practice following 2003 graduation from medical training, Dr. Mark Nguyen integrates 22 Active CMS HCPCS Codes diagnostics for Portland metro patients.
Compared against Portland, OR Nephrology peers
1,134 annual services across 318 beneficiaries
Standard deviations from OR Nephrology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Chronic Kidney Disease eGFR, uACR & Electrolyte Management | 544 | 15.79th | $231 – $317 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 249 | 13.79th | $463 – $634 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 204 | 20.79th | $337 – $462 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 136 | 16.79th | $318 – $436 |
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Dr. Mark Nguyen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nguyen National Provider Identifier | NPI #1427348150 (MD) | CMS NPPES Registry (97210) |
| Dr. Nguyen Portland CMS Volume Rank | 15.79th Pct (1,134 CMS svcs; Z -0.444σ) | CMS Medicare Part B (OR Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Portland, OR) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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