Dr. William Birenbaum, MD
3009 N Ballas Rd, Ste 383c, Saint Louis, MO 63131 • +1-805-555-3142
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1407876550 • CBSA Regional • Internal Medicine
Anchored in Saint Louis, MO 63131, Dr. William Birenbaum, MD (NPI 1407876550) logged 2,911 annual procedures (upper-quartile active clinical volume (84.42th Saint Louis percentile), 83.51th MO percentile, -0.01σ) with sub-specialty concentration in 35 Active CMS HCPCS Codes.
Among 6 tracked CMS fee-schedule codes for Dr. Birenbaum (averaging 7.4 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 44% of tracked volume (1268 encounters), paired with 99213 (732x).
Cash-pay intake data for NPI 1407876550 (3009 N Ballas Rd, Ste 383c, Saint Louis) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 12-minute average reception wait and 4.49/5 biomarker openness.
Spanning 34 years of clinical practice following 1992 graduation from medical training, Dr. William Birenbaum integrates 35 Active CMS HCPCS Codes diagnostics for Saint Louis metro patients.
Compared against Saint Louis, MO Internal Medicine peers
2,911 annual services across 393 beneficiaries
Standard deviations from MO 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 | 1,268 | 84.42th | $115 – $158 |
| 99213 | Established Preventive & Chronic Care Visit | 732 | 79.42th | $88 – $121 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 366 | 79.42th | $42 – $58 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 282 | 80.42th | $135 – $185 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 169 | 86.42th | $160 – $220 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (35 HCPCS billing breadth) | 94 | 84.42th | $104 – $151 |
Are you Dr. William Birenbaum? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Saint Louis, MO:
<a href="https://dotmd.com/doctors/william-birenbaum-md-saint-louis-mo-1407876550" title="Dr. William Birenbaum, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1407876550.svg" alt="Dr. William Birenbaum Internal Medicine Badge" width="280" height="72" /></a>
Dr. William Birenbaum, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Birenbaum National Provider Identifier | NPI #1407876550 (MD) | CMS NPPES Registry (63131) |
| Dr. Birenbaum Saint Louis CMS Volume Rank | 84.42th Pct (2,911 CMS svcs; Z -0.008σ) | CMS Medicare Part B (MO Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Louis, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 12 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.49/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. William Birenbaum
Other High-Volume Internal Medicine Specialists in Saint Louis, MO
Ranked strictly by CMS Medicare volumeDr. Birenbaum Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Saint Louis, MO.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. William Birenbaum community threads and patient logs by age, biological sex, dosage, and treatment duration.