Dr. Sarah Kohnstamm, MD
24 Frank Lloyd Wright DR, Ann Arbor, MI 48105 • +1-236-555-7240
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Ann Arbor Percentiles
NPI #1679691521 • CBSA Regional • Cardiology
CMS Medicare Part B utilization records credit Dr. Sarah Kohnstamm (MD, NPI 1679691521) at 24 Frank Lloyd Wright DR in Ann Arbor with 1,676 annual clinical services (725 beneficiaries), corresponding to a -0.53σ regional deviation and mid-cohort balanced caseload (63.33th Ann Arbor percentile) with sub-specialty concentration in 28 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 24 Frank Lloyd Wright DR shows Dr. Sarah Kohnstamm's primary concentration in Established Cardiology Consultation & Hemodynamic Review (code 99214: 637x/yr, 63.33th local percentile) alongside 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation (93000: 469x/yr, $33–$48).
For out-of-network patients contacting +1-236-555-7240, Dr. Kohnstamm's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.79/5 composite reality score over 26 submissions).
Patients evaluating Dr. Sarah Kohnstamm in ZIP 48105 note 26 years of post-doctoral tenure (null, 2000) alongside 2.3 annual CMS procedures per patient.
Compared against Ann Arbor, MI Cardiology peers
1,676 annual services across 725 beneficiaries
Standard deviations from MI Cardiology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Cardiology Consultation & Hemodynamic Review | 637 | 63.33th | $85 – $116 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 469 | 63.33th | $33 – $48 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 302 | 61.33th | $159 – $217 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 168 | 61.33th | $100 – $136 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 101 | 63.33th | $122 – $167 |
Are you Dr. Sarah Kohnstamm? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Ann Arbor, MI:
<a href="https://dotmd.com/doctors/sarah-kohnstamm-md-ann-arbor-mi-1679691521" title="Dr. Sarah Kohnstamm, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1679691521.svg" alt="Dr. Sarah Kohnstamm Cardiology Badge" width="280" height="72" /></a>
Dr. Sarah Kohnstamm, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kohnstamm National Provider Identifier | NPI #1679691521 (MD) | CMS NPPES Registry (48105) |
| Dr. Kohnstamm Ann Arbor CMS Volume Rank | 63.33th Pct (1,676 CMS svcs; Z -0.530σ) | CMS Medicare Part B (MI Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ann Arbor, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 22 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.50/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Sarah Kohnstamm
Other High-Volume Cardiology Specialists in Ann Arbor, MI
Ranked strictly by CMS Medicare volumeDr. Kohnstamm Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Ann Arbor, MI.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Sarah Kohnstamm community threads and patient logs by age, biological sex, dosage, and treatment duration.