8434 Fannin St, Suite 638, Dallas, TX 75214 • (832) 342-7566
Education: Vanderbilt University School of Medicine (Class of 2002)
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Castellano National Provider Identifier | NPI #1609108907 (MD) | CMS NPPES Registry (75214) |
| Dr. Castellano Dallas Volume Rank | 50.00th Pct (2,009 CMS svcs; Z +0.169σ) | CMS Part B (TX Gynecology & Menopause HRT) |
| Dr. Castellano Self-Pay Intake Benchmark | $211.00 (CPT 99204) | GPCI 8434 Fannin St, Suite 638, Dallas |
| Logged Cash Fee & Castellano Clinic Wait | $211.00 • 19m wait | 11 Logs (NPI 1609108907) |
| Dr. Castellano Protocol & Bedside Score | 4.59/5 Protocol • 4.49/5 Bedside | Vanderbilt University School of Medicine Alumni Cohort |
NPI #1609108907 • CBSA 19100 • Gynecology & Menopause HRT
CMS Medicare Part B utilization records credit Dr. Zachary Castellano (MD, NPI 1609108907) at 8434 Fannin St, Suite 638 in Dallas with 2,009 annual clinical services (743 beneficiaries), corresponding to a +0.17σ regional deviation and mid-cohort balanced caseload (50th Dallas percentile) with sub-specialty concentration in Bioidentical Transdermal Estradiol & Micronized Progesterone HRT and Perimenopausal Vasomotor Thermoregulation & Sleep Repair.
Procedural volume for Dr. Castellano is led by HCPCS 11980 (Subcutaneous Bioidentical Hormone Pellet Insertion Procedure — 392 annual services, $224–$308 GPCI cash estimate), followed by CPT 58100 (Office Pipelle Endometrial Sampling for Unscheduled HRT Bleeding Audit, 385/yr) and CPT 57452 (High-Magnification Colposcopic Cervical Mucosal Examination, 328/yr).
For out-of-network patients contacting (832) 342-7566, Dr. Castellano's practice posts a $211.00 GPCI self-pay consult estimate ($211.00 patient-logged median, 4.54/5 composite reality score over 11 submissions).
From 8434 Fannin St, Suite 638 in Dallas ((832) 342-7566), Vanderbilt University School of Medicine graduate Dr. Castellano, MD (24-year clinical track record) delivers Bioidentical Transdermal Estradiol & Micronized Progesterone HRT, Perimenopausal Vasomotor Thermoregulation & Sleep Repair care.
Compared against Dallas, TX Gynecology & Menopause HRT peers
2,009 annual services across 743 beneficiaries
Standard deviations from TX Gynecology & Menopause HRT mean utilization
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 11980 | Subcutaneous Bioidentical Hormone Pellet Insertion Procedure | 392 | 60th | $224 – $308 |
| 58100 | Office Pipelle Endometrial Sampling for Unscheduled HRT Bleeding Audit | 385 | 25th | $149 – $204 |
| 57452 | High-Magnification Colposcopic Cervical Mucosal Examination | 328 | 50th | $162 – $222 |
| 76830 | Transvaginal Endometrial Stripe Thickness & Ovarian Follicle Ultrasound | 321 | 0th | $177 – $242 |
| 99204 | Comprehensive Perimenopause & Hormone Replacement Risk Consultation | 258 | 40th | $219 – $300 |
| 51798 | Pelvic Floor Post-Void Residual & Genitourinary Atrophy Screening | 194 | 40th | $37 – $50 |
| 99396 | Annual Well-Woman Endocrine, Breast & Pelvic Preventive Exam | 131 | 40th | $221 – $303 |
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Booked a self-pay consultation with Dr. Castellano at 8434 Fannin St, Suite 638 ($198 flat fee, 17-minute wait). Thorough breakdown of subcutaneous bioidentical hormone pellet insertion procedure (CPT 11980) benchmarks.
Dr. Castellano's team in Dallas, TX provided written cash pricing ($222) ahead of arrival and saw me 22 minutes past check-in for Bioidentical Transdermal Estradiol & Micronized Progesterone HRT.