# The Riegel Center

> Hormone therapy clinic in Plano, TX led by Christopher J. Riegel, M.D. — a board-certified OB/GYN and hormone specialist with 30+ years of experience and approximately 40 proprietary bioidentical hormone formulas available nowhere else.

## About

The Riegel Center is a hormone therapy practice specializing in bioidentical hormone replacement therapy (BHRT) for men and women. Dr. Riegel pioneered treating women's hormone needs with the same rigor traditionally reserved for men and developed approximately 40 proprietary bioidentical hormone formulations over 20+ years of research. These exclusive formulas are not available at any other clinic. Thousands of patients nationwide pay out-of-pocket specifically for Dr. Riegel's hormones because of the results they deliver.

## Services

- [Bioidentical Hormone Replacement Therapy (BHRT)](https://theriegelcenter.com/services/bioidentical-hormone-replacement-therapy) — Customized bioidentical hormone formulas to restore natural hormonal balance
- [Hormone Replacement Therapy (HRT)](https://theriegelcenter.com/services/hormone-replacement-therapy) — Comprehensive hormone replacement for men and women experiencing hormonal decline
- [Testosterone Replacement Therapy (TRT)](https://theriegelcenter.com/services/testosterone-replacement-therapy) — Expert testosterone optimization for both men and women
- [Anti-Aging & Age Management](https://theriegelcenter.com/services/anti-aging) — Evidence-based anti-aging protocols addressing root causes of aging at the cellular level
- [Peptide Therapy](https://theriegelcenter.com/services/peptide-therapy) — Advanced mitochondrial-derived peptide therapy for cellular function and regeneration
- [Menopause Treatment](https://theriegelcenter.com/services/menopause-treatment) — Comprehensive menopause and perimenopause symptom management
- [Sleep Management](https://theriegelcenter.com/services/sleep-management) — Hormone-based sleep optimization for restful, restorative sleep
- [Low Libido Treatment](https://theriegelcenter.com/services/low-libido) — Hormonal solutions to restore sexual desire for men and women
- [Anxiety & Depression Treatment](https://theriegelcenter.com/services/anxiety-depression) — Addressing hormonal root causes of mood disorders
- [Osteoporosis Management](https://theriegelcenter.com/services/osteoporosis) — Hormone therapy to prevent and manage osteoporosis
- [Energy Optimization](https://theriegelcenter.com/services/energy-levels) — Restoring natural energy by correcting hormonal imbalances
- [Hormone Imbalance Treatment](https://theriegelcenter.com/services/hormone-imbalance) — Comprehensive testing and personalized treatment plans
- [Estrogen Replacement Therapy](https://theriegelcenter.com/services/estrogen-replacement-therapy) — Bioidentical estradiol therapy for hot flashes, night sweats, genitourinary symptoms, and postmenopausal bone loss, with the WHI evidence and delivery-route safety explained
- [Progesterone Therapy](https://theriegelcenter.com/services/progesterone-therapy) — Bioidentical progesterone therapy to restore sleep, calm, and hormonal balance — the hormone that often declines first in perimenopause
- [Thyroid Hormone Therapy](https://theriegelcenter.com/services/thyroid-hormone-therapy) — Complete thyroid panel evaluation (not TSH alone) and treatment of suboptimal thyroid function alongside sex hormones
- [Andropause Treatment](https://theriegelcenter.com/services/andropause-treatment) — Evaluation and treatment of male hormone decline (late-onset hypogonadism) behind fatigue, lost drive, muscle loss, and brain fog
- [Adrenal Fatigue Treatment](https://theriegelcenter.com/services/adrenal-fatigue-treatment) — Cortisol, DHEA-S, thyroid, and sex hormones measured together to find the real cause of exhaustion; explains that "adrenal fatigue" is not a recognized diagnosis and what is treated instead
- [Hormone Pellet Therapy](https://theriegelcenter.com/services/hormone-pellet-therapy) — How bioidentical hormone pellets work, their trade-offs, and the adjustable delivery methods Dr. Riegel typically prefers
- [Telehealth Consultations](https://theriegelcenter.com/services/telehealth) — Nationwide access to expert hormone therapy via telehealth

## Contact

- **Phone**: (972) 612-9977
- **Email**: info@theriegelcenter.com
- **Address**: 4975 Preston Park Blvd, Suite 840, Plano, TX 75093
- **Hours**: Monday–Thursday 10:00 AM – 4:00 PM; Closed Friday–Sunday
- **Appointments**: https://theriegelcenter.com/appointments
- **Contact Form**: https://theriegelcenter.com/contact

## Service Areas

- Plano, TX (primary office location)
- Dallas, TX
- Frisco, TX
- McKinney, TX
- Allen, TX
- Richardson, TX
- Denton, TX
- The Colony, TX
- North Dallas, TX
- Prosper, TX
- Celina, TX
- North Texas region overview (Collin, Dallas, Denton, Grayson, Rockwall, Hunt, Tarrant and surrounding counties)
- Nationwide via telehealth

## Key Pages

- [Home](https://theriegelcenter.com/)
- [About Dr. Riegel](https://theriegelcenter.com/about)
- [All Services](https://theriegelcenter.com/services)
- [Patient Testimonials](https://theriegelcenter.com/testimonials)
- [Blog](https://theriegelcenter.com/blog)
- [Natural Hormone Replacement Therapy Options: What the Evidence Actually Supports](https://theriegelcenter.com/blog/natural-hormone-replacement-therapy-options) — Separates the three things patients mean by "natural" (bioidentical hormones, botanical supplements, non-hormonal treatment), reviews the evidence on black cohosh, soy and red clover isoflavones, flaxseed, dong quai, wild yam and DHEA, and lists the non-hormonal approaches The Menopause Society actually recommends for hot flashes
- [Side Effects of Hormone Replacement Therapy: What's Common and What's Rare](https://theriegelcenter.com/blog/side-effects-of-hormone-replacement-therapy) — Separates mild, dose-dependent adjustment effects (spotting, breast soreness, bloating, headaches) from serious long-term risks, with absolute numbers from the Women's Health Initiative, the contrasting estrogen-only findings, the age-at-start effect, route and progestogen differences, TRAVERSE testosterone cardiovascular data, and contraindications
- [How Long Does HRT Take to Work? A Realistic Timeline](https://theriegelcenter.com/blog/how-long-does-hrt-take-to-work) — Week-by-week and month-by-month expectations for hormone therapy results: first changes at two to six weeks, much of the benefit by three months, fuller effect at six to twelve months, with bone and body composition slowest
- [Service Areas](https://theriegelcenter.com/service-areas)

## Local Care & Planning Guides (North Dallas)

- [TRT Clinic in Plano, TX](https://theriegelcenter.com/services/trt-clinic-plano-tx) — Physician-directed testosterone therapy in Plano vs. franchise TRT clinics
- [TRT Clinic Serving Frisco, TX](https://theriegelcenter.com/services/trt-clinic-frisco-tx) — Testosterone therapy about 15 minutes from Frisco
- [TRT Clinic Serving McKinney, TX](https://theriegelcenter.com/services/trt-clinic-mckinney-tx) — Testosterone therapy 20–25 minutes from McKinney
- [TRT Clinic Serving Dallas, TX](https://theriegelcenter.com/services/trt-clinic-dallas-tx) — Physician-directed TRT for North Dallas and the Park Cities
- [Menopause Specialist in Plano, TX](https://theriegelcenter.com/services/menopause-specialist-plano-tx) — Board-certified OB/GYN menopause and perimenopause care
- [Menopause Specialist Serving Frisco, TX](https://theriegelcenter.com/services/menopause-specialist-frisco-tx) — Perimenopause and menopause treatment near Frisco
- [Menopause Specialist Serving Dallas, TX](https://theriegelcenter.com/services/menopause-specialist-dallas-tx) — Menopause and perimenopause specialist for Dallas women
- [How Much Does HRT Cost?](https://theriegelcenter.com/services/hormone-replacement-therapy-cost) — What determines hormone replacement pricing and what insurance covers
- [How Much Does TRT Cost?](https://theriegelcenter.com/services/trt-cost) — Honest breakdown of testosterone therapy pricing
- [Does Insurance Cover HRT?](https://theriegelcenter.com/services/hrt-insurance-coverage) — How insurance typically treats hormone therapy, labs, and compounded prescriptions
- [Endocrinologist vs. Hormone Specialist](https://theriegelcenter.com/services/endocrinologist-vs-hormone-specialist) — Which physician fits which situation
- [Hormone Pellet Therapy Cost](https://theriegelcenter.com/services/hormone-pellet-therapy-cost) — How pellet pricing works and when pellets fit
- [Hormone Doctor Near Me (North Dallas)](https://theriegelcenter.com/services/hormone-doctor-near-me) — Drive times from every North Dallas suburb
- [North Dallas Service Area](https://theriegelcenter.com/service-areas/north-dallas) — Serving Preston Hollow, Addison, Park Cities, Far North Dallas
- [Prosper, TX Service Area](https://theriegelcenter.com/service-areas/prosper-tx) — Hormone therapy for Prosper families
- [Celina, TX Service Area](https://theriegelcenter.com/service-areas/celina-tx) — Hormone doctor serving Celina at the north end of the Preston Road corridor
- [North Texas Service Area](https://theriegelcenter.com/service-areas/north-texas) — Regional overview of hormone therapy across North Texas: drive-time tiers from the Plano office, local lab draws, telehealth follow-up, and how delivery method relates to distance