Dr. Tiffany Zellman, MD
3601 W 13 Mile Rd, Royal Oak, MI 48073 • +1-277-555-3921
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Royal Oak Percentiles
NPI #1992905558 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Tiffany Zellman (MD, NPI 1992905558) at 3601 W 13 Mile Rd in Royal Oak with 1,633 annual clinical services (284 beneficiaries), corresponding to a -0.11σ regional deviation and upper-quartile active clinical volume (67.74th Royal Oak percentile) with sub-specialty concentration in 9 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Tiffany Zellman (48073) place 99214 at the top of the practice ledger (735 yearly units, 67.74th metro rank), rounded out by 99213 and 93000.
Cash-pay intake data for NPI 1992905558 (3601 W 13 Mile Rd, Royal Oak) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 9-minute average reception wait and 4.91/5 biomarker openness.
Patients evaluating Dr. Tiffany Zellman in ZIP 48073 note 8 years of post-doctoral tenure (null, 2018) alongside 5.8 annual CMS procedures per patient.
Compared against Royal Oak, MI Internal Medicine peers
1,633 annual services across 284 beneficiaries
Standard deviations from MI 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 | 735 | 67.74th | $162 – $222 |
| 99213 | Established Preventive & Chronic Care Visit | 425 | 69.74th | $124 – $170 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 212 | 70.74th | $59 – $81 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 163 | 69.74th | $190 – $260 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 98 | 71.74th | $225 – $308 |
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Dr. Tiffany Zellman, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zellman National Provider Identifier | NPI #1992905558 (MD) | CMS NPPES Registry (48073) |
| Dr. Zellman Royal Oak CMS Volume Rank | 67.74th Pct (1,633 CMS svcs; Z -0.114σ) | CMS Medicare Part B (MI Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Royal Oak, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 9 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.83/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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