Photo of Dr. Karl Nadolsky

Dr. Karl Nadolsky, DO

Concierge Endocrinology physician, Holland, MI

Diabetes and Endocrinology Clinic at the Gym

Dr. Nadolsky is an endocrinologist and director of the Endocrine Clinic at the Gym in Holland, Michigan, with a focus on obesity and diabetes.

650 S Waverly Rd, Suite 100, Holland, MI 49423
At a glance
Practice model
Accepts insurance, offers membership
Membership
$149 a month (3-month minimum) or $1,499 a year
Languages
English

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

About Dr. Nadolsky

Dr. Nadolsky earned his medical degree from Nova Southeastern College of Osteopathic Medicine. He completed an internal medicine residency at Naval Medical Center Portsmouth and an endocrinology fellowship at Walter Reed National Military Medical Center. At Michigan State University he was a student-athlete on the varsity wrestling team.

Earlier he practiced as an internist and obesity specialist at Naval Medical Center Portsmouth. At Walter Reed he helped develop and lead the Diabetes, Obesity and Metabolic Institute. His work centers on endocrinology, obesity and diabetes management.

The practice accepts insurance and also runs a paid membership.

Membership and fees

Membership at Diabetes and Endocrinology Clinic at the Gym is $149 a month with a 3-month minimum, or $1,499 a year.

The monthly plan includes an initial endocrinologist consultation, 3 visits a year and dietitian visits.

Patients whose insurance the clinic does not accept get a 30% cash pay discount, and payment plans are offered.

$1,499 per year

Services

Endocrinology Obesity medicine Diabetes management
What endocrinology doctors commonly treat

Education and credentials

Degree
DO
Medical school
Nova Southeastern College of Osteopathic Medicine
Residency
Internal Medicine, Naval Medical Center Portsmouth (2009 - 2011)
Fellowship
Endocrinology, Walter Reed National Military Medical Center (2013 - 2015)
NPI
1053567743

Hospital and practice affiliations

Chair, AACE Comprehensive Obesity Management Algorithm
Active member of several medical organizations

Location

650 S Waverly Rd, Suite 100, Holland, MI 49423
Diabetes and Endocrinology Clinic at the Gym practice page
Directions

Recognition and research

Media and books

Has co-hosted the Docs Who Lift podcast.
Guest on the MOPs & MOEs podcast in January 2024, in an episode called The Ozempic Episode.

Teaching and research roles

Served as faculty in the endocrinology fellowship program at Walter Reed.

Publications

Co-author of the 2016 AACE clinical practice guidelines on medical care of patients with obesity.
Lead author of the 2023 AACE consensus statement on stigma and bias in obesity care.
Author of "Once-Weekly Semaglutide in Adults with Overweight or Obesity" in The New England Journal of Medicine (2021).
Author of "American Association of Clinical Endocrinology Consensus Statement: Algorithm for the Evaluation and Treatment of Adults with Obesity/Adiposity-Based Chronic Disease - 2025 Update" in Endocrine Practice (2025).
Author of "Staging Obesity Severity Delineates Metabolic Health Risks" in Obesity (2020).

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Questions patients ask

Does Dr. Nadolsky take insurance, or offer a membership?

The practice accepts insurance and also offers a paid membership.

How much does a membership at Diabetes and Endocrinology Clinic at the Gym cost?

The monthly plan costs $149 a month with a 3-month minimum. The annual plan costs $1,499 a year. Patients whose insurance the clinic does not accept get a 30% cash pay discount.

Where did Dr. Nadolsky train?

He earned his medical degree from Nova Southeastern College of Osteopathic Medicine. He completed his residency at Naval Medical Center Portsmouth and his fellowship at Walter Reed National Military Medical Center.

Where is Dr. Nadolsky's office?

The practice is Diabetes and Endocrinology Clinic at the Gym. Dr. Nadolsky directs the Endocrine Clinic at the Gym. The office is in Holland, Michigan.

What does Dr. Nadolsky focus on?

Dr. Nadolsky focuses on endocrinology, obesity and diabetes management.

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