A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Colleen Hartwig:
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The overall average patient rating of Dr. Colleen Hartwig is Good.
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Education & Awards
Dr. Hartwig graduated from Michigan State University College of Osteopathic Medicine, East Lansing. She has 2 awards.
Dr. Hartwig has 7 hospital affiliations:
- Providence Hospital and Medical Center
- Garden City Hospital
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- Additional Information
- Dr. Colleen A Hartwig DO is a female Internist, has 16 years of experience and practices in Internal Medicine.
- Where does Dr. Colleen A. Hartwig practice?
- Dr. Colleen Hartwig has 7 office locations.
Dr. Colleen Hartwig practices Internal Medicine near Troy, MI.
Additional practice locations include: Livonia, MI and Farmington Hills, MI.
See Troy Internists.