Dr. Mark Litchman, MD
148 East Avenue, Suite 3g, Norwalk, CT 06851 • +1-752-555-1078
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Norwalk Percentiles
NPI #1447341243 • CBSA Regional • Allergy/ Immunology
Within the Norwalk, CT (CBSA local) Allergy/ Immunology cohort, Dr. Mark Litchman, MD with sub-specialty concentration in 24 Active CMS HCPCS Codes ranks at the 75th municipal percentile and 82.76th CT percentile (+1.13σ Z-score) based on 5,602 billed procedures for 207 patients.
Procedural volume for Dr. Litchman is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 2521 annual services, $43–$60 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 1457/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 728/yr).
Uninsured and high-deductible cash patients visiting Dr. Mark Litchman in Norwalk (06851) face an estimated $209.00 initial evaluation fee at 148 East Avenue, Suite 3g (hybrid in-clinic and telehealth video consults; 19-minute average reception wait; bedside manner 4.93/5 from 19 verified reports).
NPI registry verification (#1447341243) confirms Dr. Mark Litchman's MD standing serving CBSA 06851 with a 4.88/5 patient scorecard.
Compared against Norwalk, CT Allergy/ Immunology peers
5,602 annual services across 207 beneficiaries
Standard deviations from CT Allergy/ Immunology 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 | 2,521 | 75th | $43 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 1,457 | 80th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 728 | 74th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 560 | 79th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 336 | 71th | $60 – $83 |
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Dr. Mark Litchman, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Litchman National Provider Identifier | NPI #1447341243 (MD) | CMS NPPES Registry (06851) |
| Dr. Litchman Norwalk CMS Volume Rank | 75.00th Pct (5,602 CMS svcs; Z +1.130σ) | CMS Medicare Part B (CT Allergy/ Immunology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Norwalk, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.93/5 Listening • 4.55/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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