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

Dr. Charles John Peterson, MD

Individual provider Emergency Medicine Physician · NPI 1437234499

Dr. Charles John Peterson, MD is an Emergency Medicine in Tucson, Arizona. Graduated from Oregon Health Sciences University School of Medicine in 1990, 36 years ago. Practices with Ies Arizona PLLC, a 43-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
36
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
AZ
In the registry since
2006
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

5301 E Grant Road Tucson Medical Center Emergency Dept
Tucson, AZ 85712-2805
Phone: (520) 324-1922
Fax: (520) 324-1088
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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 21030 (AZ)

Record details

NPI number1437234499
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 26, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Ies Arizona Pllc — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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