Dr. Mary Mattheos, MD
350 W Montauk Hwy, Lindenhurst, NY 11757 • +1-766-555-3278
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Lindenhurst Percentiles
NPI #1609977719 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across NY Internal Medicine providers positions Dr. Mary Mattheos, MD in Lindenhurst at +0.89σ (66.67th city percentile / 97.81th state percentile, 559 Medicare beneficiaries), with clinical focus spanning 71 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 350 W Montauk Hwy shows Dr. Mary Mattheos's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 6224x/yr, 66.67th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 3596x/yr, $48–$65).
For out-of-network patients contacting +1-766-555-3278, Dr. Mattheos's practice posts a $232.00 GPCI self-pay consult estimate ($232.00 patient-logged median, 4.88/5 composite reality score over 3 submissions).
From 350 W Montauk Hwy in Lindenhurst (+1-766-555-3278), Dr. Mattheos, MD (28-year clinical track record) delivers 71 Active CMS HCPCS Codes care.
Compared against Lindenhurst, NY Internal Medicine peers
15,420 annual services across 559 beneficiaries
Standard deviations from NY 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 | 6,224 | 66.67th | $62 – $85 |
| 99213 | Established Preventive & Chronic Care Visit | 3,596 | 70.67th | $48 – $65 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,798 | 69.67th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 1,383 | 61.67th | $73 – $100 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 830 | 67.67th | $87 – $119 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (71 HCPCS billing breadth) | 1,588 | 66.67th | $56 – $81 |
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Dr. Mary Mattheos, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mattheos National Provider Identifier | NPI #1609977719 (MD) | CMS NPPES Registry (11757) |
| Dr. Mattheos Lindenhurst CMS Volume Rank | 66.67th Pct (15,420 CMS svcs; Z +0.892σ) | CMS Medicare Part B (NY Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Lindenhurst, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 17 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.91/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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