Dr. Mark Diamond, MD
9105 Franklin Square Drive, Suite 308, Baltimore, MD 21237 • +1-305-555-9355
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Baltimore Percentiles
NPI #1912081019 • CBSA Regional • Gastroenterology
CMS Medicare Part B utilization records credit Dr. Mark Diamond (MD, NPI 1912081019) at 9105 Franklin Square Drive, Suite 308 in Baltimore with 683 annual clinical services (384 beneficiaries), corresponding to a -0.47σ regional deviation and focused low-volume boutique caseload (10.91th Baltimore percentile) with sub-specialty concentration in 15 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1912081019 highlights 253 annual claims for 99214 (12th Baltimore percentile; $213–$291 self-pay corridor) plus 171 encounters under 45380 and 143 under 43239.
Cash-pay intake data for NPI 1912081019 (9105 Franklin Square Drive, Suite 308, Baltimore) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 11-minute average reception wait and 4.57/5 biomarker openness.
Clinical background for Dr. Diamond (MD, NPI #1912081019) includes accredited doctoral training (1999, 27 yrs in practice) and virtual + in-office availability across MD.
Compared against Baltimore, MD Gastroenterology peers
683 annual services across 384 beneficiaries
Standard deviations from MD Gastroenterology 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 Gastroenterology, GERD & IBD Evaluation | 253 | 12th | $213 – $291 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 171 | 13.91th | $512 – $702 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 143 | 12th | $425 – $583 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 68 | 14.91th | $570 – $782 |
| 99204 | New Patient Digestive & Hepatology Consultation | 48 | 13.91th | $300 – $411 |
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Dr. Mark Diamond, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Diamond National Provider Identifier | NPI #1912081019 (MD) | CMS NPPES Registry (21237) |
| Dr. Diamond Baltimore CMS Volume Rank | 10.91th Pct (683 CMS svcs; Z -0.472σ) | CMS Medicare Part B (MD Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Baltimore, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.57/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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