Dr. Tatyana Sergeyeva, MD
300 Hospital DR, Suite 119, Glen Burnie, MD 21061 • +1-755-555-6652
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Glen Burnie Percentiles
NPI #1164599205 • CBSA Regional • Endocrinology
Operating out of Glen Burnie, MD (300 Hospital DR, Suite 119), Endocrinology clinician Dr. Tatyana Sergeyeva, MD (accredited MD/DO training, 2000) maintains a focused low-volume boutique caseload (0th Glen Burnie percentile) (23.28th MD percentile; Z-score -0.47σ across 989 documented services) with sub-specialty concentration in 14 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 300 Hospital DR, Suite 119 shows Dr. Tatyana Sergeyeva's primary concentration in Complex Endocrine, Thyroid & Metabolic Biomarker Management (code 99214: 435x/yr, 12th local percentile) alongside Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis (95251: 218x/yr, $77–$105).
At 300 Hospital DR, Suite 119 (21061), Dr. Tatyana Sergeyeva, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.70/5 bedside rating).
Patients evaluating Dr. Tatyana Sergeyeva in ZIP 21061 note 26 years of post-doctoral tenure (null, 2000) alongside 4.8 annual CMS procedures per patient.
Compared against Glen Burnie, MD Endocrinology peers
989 annual services across 205 beneficiaries
Standard deviations from MD Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 435 | 12th | $123 – $169 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 218 | 12th | $77 – $105 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 158 | 12th | $149 – $204 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 119 | 12th | $169 – $232 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 59 | 12th | $190 – $260 |
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Dr. Tatyana Sergeyeva, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sergeyeva National Provider Identifier | NPI #1164599205 (MD) | CMS NPPES Registry (21061) |
| Dr. Sergeyeva Glen Burnie CMS Volume Rank | 0.00th Pct (989 CMS svcs; Z -0.468σ) | CMS Medicare Part B (MD Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Glen Burnie, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.70/5 Listening • 4.90/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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