Charles John Peterson, MD
Emergency Medicine Physician · Tucson, AZ
Charles John Peterson, MD is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1437234499, issued on Oct 26, 2006. Check the license (Arizona 21030, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles John Peterson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 21030 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5301 E Grant Road, Tucson, AZ 85712
- Phone
- (520) 324-1922
- Enumerated
- Oct 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (520) 324-1088
- Medicaid ID
- 15038402 AZ
- Medicare enrollment
- Enrolled (PECOS I20100915001164); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 5301 E Grant Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kent Carey, MDEmergency Medicine Physician1356423438
- David Compton, MDEmergency Medicine Physician1427130509
- Christopher Florence, MDEmergency Medicine Physician1003998022
- Bob Foster, MDEmergency Medicine Physician1538241559
- Brian Hagerty, MDPediatric Emergency Medicine (Pediatrics) Physician1134201189
Verify Charles John Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 21030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average emergency medicine physician in 2024
258 Medicare Part D claims for 157 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 67 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen41 claims
- Cephalexin24 claims
- Sulfamethoxazole-Trimethoprim22 claims
- Ondansetron Hcl16 claims
- Hydrocodone-Acetaminophen15 claims
- Ibuprofen15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5.60
1 payment: food and beverage; the largest payer was Sonex Health, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ies Arizona PLLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles John Peterson among 1,494 emergency medicine physician records in Arizona
Charles John Peterson, MD is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1990 · median 2014 among the 828 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
422 emergency medicine physician records list a practice address in Tucson
They are 422 of the 18,788 NPPES records with a practice address in Tucson, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Tucson → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Katharine Altieri, M.D.Tucson, AZ 857121194091256
- Christopher Cabanillas, M.D.Tucson, AZ 857121487884045
- Kent Carey, MDTucson, AZ 857121356423438
- David Compton, MDTucson, AZ 857121427130509
- Christopher Florence, MDTucson, AZ 857121003998022
- Bob Foster, MDTucson, AZ 857121538241559
- Sarah Hypes, MDTucson, AZ 857121760795371
- Keith Kaback, MDTucson, AZ 857121154403186
Common questions
What is Charles John Peterson, MD's NPI number?
Charles John Peterson, MD's National Provider Identifier (NPI) is 1437234499, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles John Peterson, MD located?
The NPPES record lists a practice address at 5301 E Grant Road, Tucson, AZ, 85712. Phone: (520) 324-1922. Providers update this record themselves, so call before visiting.
How can I verify Charles John Peterson, MD's license?
NPPES lists Arizona license number 21030, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles John Peterson, MD prescribe under Medicare Part D?
In 2024, Charles John Peterson, MD had 258 Medicare Part D claims for 157 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.