Dr. Mikhail Grzhibek, MD
285 Sills Rd, Building 4 Suite D, East Patchogue, NY 11772 • +1-939-555-5757
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & East Patchogue Percentiles
NPI #1629033709 • CBSA Regional • Internal Medicine
Anchored in East Patchogue, NY 11772, Dr. Mikhail Grzhibek, MD (NPI 1629033709) logged 3,525 annual procedures (upper-quartile active clinical volume (80th East Patchogue percentile), 78.76th NY percentile, -0.00σ) with sub-specialty concentration in 33 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1629033709 highlights 1523 annual claims for 99214 (80th East Patchogue percentile; $176–$241 self-pay corridor) plus 880 encounters under 99213 and 440 under 93000.
Self-pay new patient consultations with Dr. Grzhibek (CPT 99204 GPCI-adjusted benchmark) estimate around $232.00 (community reported average: $232.00) with in-person clinic visits only, 12-minute average reception wait, and a 4.88/5 modern protocol openness score across 6 patient logs.
Clinical background for Dr. Grzhibek (MD, NPI #1629033709) includes accredited doctoral training (1995, 31 yrs in practice) and dedicated on-site consultations at 285 Sills Rd, Building 4 Suite D.
Compared against East Patchogue, NY Internal Medicine peers
3,525 annual services across 356 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 | 1,523 | 80th | $176 – $241 |
| 99213 | Established Preventive & Chronic Care Visit | 880 | 75th | $134 – $184 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 440 | 80th | $64 – $88 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 339 | 83th | $206 – $282 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 203 | 83th | $244 – $335 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (33 HCPCS billing breadth) | 140 | 80th | $158 – $229 |
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Dr. Mikhail Grzhibek, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grzhibek National Provider Identifier | NPI #1629033709 (MD) | CMS NPPES Registry (11772) |
| Dr. Grzhibek East Patchogue CMS Volume Rank | 80.00th Pct (3,525 CMS svcs; Z -0.002σ) | CMS Medicare Part B (NY Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (East Patchogue, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 12 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.88/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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