Dr. Petley practices naturopathic medicine and has office hours by appointment only in the historic Old Post Office in the heart of Downtown Waterville, Maine.  Whether you are looking to address an acute cold, chronic disease or yearly checkup, Dr. Petley will use his expertise in naturopathic medicine as he works with you to create a healthier you ~ naturally!  To learn more about naturopathic medicine, click here.  To make an appointment, email nate@drpetley.com or call (207) 616-0049.

Dr. Petley’s Herb Apprenticeship

Herbal MedicineDr. Petley is now offering a 3-year herb apprenticeship in Waterville, Maine.  The program is suitable for those looking to gain a deeper respect for the power of herbs, those aspiring to become a practicing herbalist, those working in the health care field who would like to expand their knowledge of botanical medicine, and those looking to start an herbal product business.  Dr. Petley’s Herb Apprenticeship is divided into three years each lasting 10 months: Essential Herbalism, Applied Herbalism, and Clinical Herbalism.

Lecture Schedule

Red Clover

To learn herbalism, one must follow the path of being an apprentice where the experienced practitioner passes information down to the student. Dr. Petley takes the naturopathic philosophy of doctor as teacher seriously in his clinic and classroom because it is through hands-on workshops that people fully experience all that herbalism has to offer.  Dr. Petley lectures on both naturopathic and botanical medicine and his classes can be found here. The education of his students ranges from beginner to advanced herbal levels, including medical professionals for continuing education credits.

Store2014-09-16 18.12.09

Through this site you can purchase herbal products, tools of the trade, Dr. Petley’s class notes and register for classes. Items in the store frequently change so be sure to check back for new and exciting offers!  Some items are unique and only available in limited quantity.

YouTube Videos with Dr. Petley

Dr. Petley periodically records lectures or snippets of lectures to make available online (click the links below).  He also posts videos announcing various classes and his herb apprenticeship program.  Many of these are also available on Facebook.  Stay tuned for additions!

Dr. Petley – An Introduction

Dr. Petley  – An Introduction (2)

Preventing the Cold & Flu

Dr. Petley’s Herb Apprenticeship Trailer

The Quest (Fun Movie Trailer)

Making Herbal Tea

Dr. Petley’s Herb Apprenticeship – Essential Herbalism 2017

Dr. Petley’s Herb Apprenticeship – Year 1 – 2017

The Amazing Dandelion Class Introduction 2016

Harvesting Horseradish



Recent Facebook Posts
1 day ago

This is the place to be tomorrow - Healing Arts Fall Equinox Fair in Brewer, Maine. I'll be there talking about naturopathic medicine (and, of course, herbs!). Always a great event. I have a hard ... See more

Look for this ad in the Weekly!

3 days ago
Timeline Photos

Not sure who made this but it's spot on and made me laugh. #drpetley

4 days ago
Roasting Dandelion Roots with Dr. Nate Petley

At the rate I'm drinking roasted dandelion root tea, I'd better get out there and dig more roots! #drpetley

Roasting dandelion roots is rich in texture and in flavor with its earthiness and pairs well a warm blanket and a good book in winter.

6 days ago
Timeline Photos

This might be my last bouquet for the season - a beautiful last hoorah. It's always sad to part with my cheerful flowers every fall.

As I putter around the gardens today to close them up, I'm ... See more

1 week ago
Timeline Photos


1 week ago
Harvesting Dandelion Roots with Dr. Nate Petley

This is how I spend my weekends and time away from of the office - you can't keep an herbalist out of the garden!

Here is part 1 of my blog Roasting Dandelion Roots - starting with harvesting the ... See more

Behold the amazing dandelion! Not only can we eat the nutritious greens in spring, but we can make a delicious roasted root tea come fall.

1 week ago
Preparing Horseradish with Dr. Nate Petley

People often ask what I do to stay healthy and not catch every cold that goes around. Well, for one, I take horseradish at the earliest sign of congestion. Here's how I prepare it!

Making your own prepared horseradish for food & medicine could not be any easier – simply dig, wash, chop, and puree. Add vinegar and salt.

1 week ago
Rooting Around with Medicinal Herbs 10/23/16 10AM-3PM New Sharon Maine

Looking to be an excellent group of folks joining - don't forget to register if you are planning on attending!

Join Dr. Petley at Inner Wisdom Sanctuary while he discusses harvesting fall roots such as dandelion, burdock, yellow dock, valerian, and echinacea. While digging, he will explain their medicinal ... See more

2 weeks ago
Timeline Photos

Having fun with photo apps! Happy Friday!


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