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Dan Marks, D.O.

Dan Marks, D.O.

Obstetrics and Gynecology

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Obstetrix of Colorado, part of Pediatrix Medical Group

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Join Us for the Next OB Grand Rounds on the Value of Fetal MRI: Making the Case for Advanced Fetal Imaging Featured Image

Join Us for the Next OB Grand Rounds on the Value of Fetal MRI: Making the Case for Advanced Fetal Imaging

From the Blog

July 7, 2026

Pediatrix & Obstetrix Clinicians in the News Featured Image

Pediatrix & Obstetrix Clinicians in the News

From the Blog

June 30, 2026

How to Manage the 18-Month Sleep Regression Featured Image

How to Manage the 18-Month Sleep Regression

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June 17, 2026

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Prenatal Care

Support for women’s health, pregnancy and high-risk care

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Expert care for newborn babies

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