Dr. Kathrin Serrao, MD
1033 Clifton Ave Ste 108, Clifton, NJ 07013 • +1-659-555-2536
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Clifton Percentiles
NPI #1386179620 • CBSA Regional • Endocrinology
Operating out of Clifton, NJ (1033 Clifton Ave Ste 108), Endocrinology clinician Dr. Kathrin Serrao, MD (accredited MD/DO training, 2018) maintains a focused low-volume boutique caseload (0th Clifton percentile) (17.14th NJ percentile; Z-score -0.51σ across 1,007 documented services) with sub-specialty concentration in 20 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1386179620 highlights 443 annual claims for 99214 (12th Clifton percentile; $139–$190 self-pay corridor) plus 222 encounters under 95251 and 161 under 76536.
For out-of-network patients contacting +1-659-555-2536, Dr. Serrao's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.53/5 composite reality score over 8 submissions).
Spanning 8 years of clinical practice following 2018 graduation from medical training, Dr. Kathrin Serrao integrates 20 Active CMS HCPCS Codes diagnostics for Clifton metro patients.
Compared against Clifton, NJ Endocrinology peers
1,007 annual services across 155 beneficiaries
Standard deviations from NJ 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 | 443 | 12th | $139 – $190 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 222 | 12th | $87 – $119 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 161 | 12th | $168 – $230 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 121 | 12th | $191 – $261 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 60 | 12th | $214 – $293 |
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Dr. Kathrin Serrao, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Serrao National Provider Identifier | NPI #1386179620 (MD) | CMS NPPES Registry (07013) |
| Dr. Serrao Clifton CMS Volume Rank | 0.00th Pct (1,007 CMS svcs; Z -0.505σ) | CMS Medicare Part B (NJ Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Clifton, NJ) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.76/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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