Ryan Eliot McCallum, DO
Emergency Medicine Physician · Show Low, AZ
Ryan Eliot McCallum, DO is an emergency medicine physician with a practice address in Show Low, Arizona, and NPI 1538331137, issued on Mar 24, 2008. Check the license (Arizona 8520, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ryan Eliot McCallum
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 8520 AZ
S6890 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2200 E Show Low Lake RD, Show Low, AZ 85901
- Phone
- (928) 537-6371
- Enumerated
- Mar 24, 2008
- Record last updated
- Jul 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (928) 537-2538
- Medicaid ID
- 094181 AZ
- Medicare enrollment
- Enrolled (PECOS I20201023002111); accepts Medicare assignment
- Medical or professional school
- At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 2200 E Show Low Lake RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tushar AlladiEmergency Medicine Physician1962144048
- Norma AllenPhysical Medicine & Rehabilitation Physician1497694269
- Joann Anderson, CRNACertified Registered Nurse Anesthetist1700859162
- Grant Berges, MDDiagnostic Radiology Physician1447380977
- Jay Brashear, OTRLSpecialist1790994242
- Jennifer Brimhall, PTPhysical Therapist1659638641
Verify Ryan Eliot McCallum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 8520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
139 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Prednisone12 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.
Bills Medicare through one group practice
- Dhhs Ihs Phoenix AreaWhiteriver, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Eliot McCallum among 1,494 emergency medicine physician records in Arizona
Ryan Eliot McCallum, DO 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 2008, is newer than 44% of them.
- NPI issued2008 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2018 · median 2014 among the 828 with a school on file
- Record last updated2021 · 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).
13 emergency medicine physician records list a practice address in Show Low
They are 13 of the 382 NPPES records with a practice address in Show Low, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Show Low → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Tushar AlladiShow Low, AZ 859011962144048
- Mariah Curtis, MDShow Low, AZ 859011740770536
- Susan Davies, MDShow Low, AZ 859011205815206
- Bruce Hall, MDShow Low, AZ 859011104803493
- Michael Hayes, DOShow Low, AZ 859011760469167
- Philip Johnson, MDShow Low, AZ 859011144209511
- David MarbleShow Low, AZ 859011841856507
- Victor Staheli, M.D.Show Low, AZ 859011275844979
Common questions
What is Ryan Eliot McCallum, DO's NPI number?
Ryan Eliot McCallum, DO's National Provider Identifier (NPI) is 1538331137, issued on Mar 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Eliot McCallum, DO located?
The NPPES record lists a practice address at 2200 E Show Low Lake RD, Show Low, AZ, 85901. Phone: (928) 537-6371. Providers update this record themselves, so call before visiting.
How can I verify Ryan Eliot McCallum, DO's license?
NPPES lists Arizona license number 8520, 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 Ryan Eliot McCallum, DO prescribe under Medicare Part D?
In 2024, Ryan Eliot McCallum, DO had 139 Medicare Part D claims for 93 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.