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Kathryn Retzler

Concierge Preventive Medicine naturopathic clinician, Lake Oswego, OR

HormoneSynergy

Kathryn Retzler founded HormoneSynergy Longevity Medicine in Portland and Lake Oswego, Oregon, and practices as a naturopath.

9 Monroe Pkwy, #260, Lake Oswego, OR 97035
At a glance
Practice model
Concierge longevity medicine tier
Experience
In practice since 2001

Facts on this page last checked October 2026. How we check doctors

About Kathryn Retzler

Retzler founded HormoneSynergy Longevity Medicine, with locations in Portland and Lake Oswego, Oregon. She has been in naturopathic practice since 2001, with a focus on integrative longevity medicine. She completed a fellowship in preventive cardiology through the American Academy of Anti-Aging Medicine with Mark Houston, MD.

To assess cardiovascular risk, she uses imaging, vascular testing and targeted diagnostics such as Cleerly-enabled Coronary CT Angiography.

Membership and fees

HormoneSynergy offers a concierge longevity medicine tier.

Services

Cardiovascular risk assessment Coronary CT angiography Vascular testing
What preventive medicine doctors commonly treat

Education and credentials

Degree
ND
Fellowship
Preventive cardiology, American Academy of Anti-Aging Medicine
License
Oregon
NPI
1467538926

Hospital and practice affiliations

Founder of HormoneSynergy Longevity Medicine

Location

9 Monroe Pkwy, #260, Lake Oswego, OR 97035
HormoneSynergy practice page
Directions

Recognition and research

Teaching and research roles

Was on the faculty of the AMMG October 2022 conference
Has lectured at age management conferences
Has taught an all-day course on Women and Longevity

Patient reviews

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Questions patients ask

Does Retzler offer a membership?

HormoneSynergy offers a concierge longevity medicine tier.

Is Retzler a doctor?

Retzler holds the ND (naturopathic doctor) credential.

Where did Retzler train?

Retzler completed a fellowship in preventive cardiology through the American Academy of Anti-Aging Medicine with Mark Houston, MD.

Where is Retzler's office?

HormoneSynergy Longevity Medicine has locations in Portland and Lake Oswego, Oregon.

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