Dr. Marshall Sack, DO
39500 W 10 Mile Rd, Ste. 100, Novi, MI 48375 • +1-301-555-3459
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Novi Percentiles
NPI #1629071170 • CBSA Regional • General Practice
Operating out of Novi, MI (39500 W 10 Mile Rd, Ste. 100), General Practice clinician Dr. Marshall Sack, DO (accredited MD/DO training, 2005) maintains a top-decile high-throughput specialist (99th percentile in Novi) (83.72th MI percentile; Z-score -0.07σ across 3,308 documented services) with sub-specialty concentration in 44 Active CMS HCPCS Codes.
Among 6 tracked CMS fee-schedule codes for Dr. Sack (averaging 13.4 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (1477 encounters), paired with 99213 (854x).
Self-pay new patient consultations with Dr. Sack (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 21-minute average reception wait, and a 4.48/5 modern protocol openness score across 19 patient logs.
Patients evaluating Dr. Marshall Sack in ZIP 48375 note 21 years of post-doctoral tenure (null, 2005) alongside 13.4 annual CMS procedures per patient.
Top 10% General Practice volume leader in Novi, MI
3,308 annual services across 247 beneficiaries
Standard deviations from MI General Practice 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 | 1,477 | 99th | $91 – $125 |
| 99213 | Established Preventive & Chronic Care Visit | 854 | 96th | $70 – $96 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 427 | 99th | $33 – $48 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 328 | 99.5th | $107 – $147 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 197 | 99.5th | $127 – $174 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (44 HCPCS billing breadth) | 25 | 99th | $82 – $119 |
Are you Dr. Marshall Sack? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Novi, MI:
<a href="https://dotmd.com/doctors/marshall-sack-do-novi-mi-1629071170" title="Dr. Marshall Sack, DO - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1629071170.svg" alt="Dr. Marshall Sack General Practice Badge" width="280" height="72" /></a>
Dr. Marshall Sack, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sack National Provider Identifier | NPI #1629071170 (DO) | CMS NPPES Registry (48375) |
| Dr. Sack Novi CMS Volume Rank | 99.00th Pct (3,308 CMS svcs; Z -0.069σ) | CMS Medicare Part B (MI General Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Novi, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 21 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.81/5 Listening • 4.48/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Marshall Sack
Dr. Sack Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Novi, MI.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Marshall Sack community threads and patient logs by age, biological sex, dosage, and treatment duration.