Stephen Shepherd Johnston, MD
Diagnostic Radiology Physician · Tucson, AZ
Stephen Shepherd Johnston, MD is a diagnostic radiology physician with a practice address in Tucson, Arizona, and NPI 1730525841, issued on May 15, 2013. Check the license (Arizona R73777, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen Shepherd Johnston
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- R73777 AZ
ME170763 FL
330999 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2492 E River RD, Tucson, AZ 85718
- Phone
- (520) 722-8994
- Enumerated
- May 15, 2013
- Record last updated
- Feb 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20180427000455); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 869 in Arizona → Look up another NPI →
Also registered at 2492 E River RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nathan Anavy, M.D.Diagnostic Radiology Physician1609005289
- Traci Bond, RPARadiology Practitioner Assistant1376151688
- Nicholas Fraley, M.D.Diagnostic Radiology Physician1396949111
- Aria Ghaffari, MDDiagnostic Radiology Physician1205253549
- Amy Janicek, M.D.Diagnostic Radiology Physician1871812081
- Stella Kahn, MDDiagnostic Radiology Physician1366417826
Verify Stephen Shepherd Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R73777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 16+ group practices
- Allegiance Hospital OF Many, LLCMany, LA
- Allen Parish Hospital District NO 3Kinder, LA
- Caldwell Memorial Hospital, Inc.Columbia, LA
- Clhg-Acadian LLCEunice, LA
- Clhg-Oakdale LLCOakdale, LA
- Clhg-Ville Platte LLCVille Platte, LA
- Concord Radiology PLLCGilbert, AZ
- Concordia Parish Hospital Service District Number OneFerriday, LA
- Desoto Hospital AssociationMansfield, LA
- ER Physician Group AT Jackson HospitalMarianna, FL
- Franklin Parish Hospital Service Dist 1Winnsboro, LA
- Gastrointestinal Specialists AmcShreveport, LA
- Hospital Service District NO 1 Parish OF Avoyelles State OF LABunkie, LA
- Ivy Creek OF Elmore LLCWetumpka, AL
- Peterson Medical AssociatesKerrville, TX
- Prime Healthcare Services-Gadsden Physician Management LLCGadsden, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Shepherd Johnston among 869 diagnostic radiology physician records in Arizona
Stephen Shepherd Johnston, MD is one of 869 diagnostic radiology physician records with a practice address in Arizona. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2003 among the 573 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
233 diagnostic radiology physician records list a practice address in Tucson
They are 233 of the 18,788 NPPES records with a practice address in Tucson, and 869 diagnostic radiology physician records in Arizona.
All 869 in Arizona → Every provider in Tucson → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Nicholas Fraley, M.D.Tucson, AZ 857181396949111
- Stella Kahn, MDTucson, AZ 857181366417826
- Jae Kim, MDTucson, AZ 857181124099213
- Todd Lessie, MDTucson, AZ 857181750332854
- Richard Lucio, MDTucson, AZ 857181518918895
- Christopher Reynolds, M.D.Tucson, AZ 857181124057609
- Rajul Shah, MDTucson, AZ 857181790737096
- Kevin Shea, MDTucson, AZ 857181730146457
Common questions
What is Stephen Shepherd Johnston, MD's NPI number?
Stephen Shepherd Johnston, MD's National Provider Identifier (NPI) is 1730525841, issued on May 15, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Shepherd Johnston, MD located?
The NPPES record lists a practice address at 2492 E River RD, Tucson, AZ, 85718. Phone: (520) 722-8994. Providers update this record themselves, so call before visiting.
How can I verify Stephen Shepherd Johnston, MD's license?
NPPES lists Arizona license number R73777, 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.
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.