Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ivan Nathaniel Co, MD

Individual provider Emergency Medicine Physician · NPI 1023307204

Ivan Nathaniel Co, MD is an Emergency Medicine in Ann Arbor, Michigan. Qualified in 2011, 15 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
15
Licensed in
MI
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone: (734) 936-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 4301106009 (MI)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 4301106009 (MI)

Record details

NPI number1023307204
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2011
Last updated in NPPESJanuary 27, 2020
Certification dateJanuary 27, 2020
Mailing address3621 S State St, Ann Arbor, MI 48108-1633

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE, PULMONARY DISEASE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations13 on file with Medicare

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