Stephen Shepherd Johnston, MD - Medicare Diagnostic Radiology in Tucson, AZ

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Stephen Shepherd Johnston, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Tucson, Arizona. He went to University Of Arizona College Of Medicine and graduated in 2013 and has 12 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Concord Radiology Pllc, Gastrointestinal Specialists A M C, Clhg-acadian Llc, Clhg-oakdale Llc, Richland Parish Hospital Service District No 1-b, Allegiance Hospital Of Many, Llc, Hospital Service District No 1 Parish Of Avoyelles State Of La, Clhg-ville Platte Llc, Concordia Parish Hospital Service District Number One, Salient Radiology Associates, Pllc, Franklin Parish Hospital Service District No1, Caldwell Memorial Hospital, Inc., Peterson Medical Associates, Salient Radiology Associates, Pllc, Prime Healthcare Services-gadsden Physician Management Llc, Er Physician Group At Jackson Hospital and his current practice location is 2492 E River Rd, Tucson, Arizona. You can reach out to his office (for appointments etc.) via phone at (520) 722-8994.

Stephen Shepherd Johnston is licensed to practice in Arizona (license number R73777) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1730525841.

Contact Information

Stephen Shepherd Johnston, MD
2492 E River Rd,
Tucson, AZ 85718-9552
(520) 722-8994
Not Available

Map and Direction




Physician's Profile

Full NameStephen Shepherd Johnston
GenderMale
SpecialityDiagnostic Radiology
Experience12 Years
Location2492 E River Rd, Tucson, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Stephen Shepherd Johnston attended and graduated from University Of Arizona College Of Medicine in 2013
  NPI Data:
  • NPI Number: 1730525841
  • Provider Enumeration Date: 05/15/2013
  • Last Update Date: 04/17/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0042574048
  • Enrollment ID: I20180427000455

Medical Identifiers

Medical identifiers for Stephen Shepherd Johnston such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730525841NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology ME170763 (Florida)Secondary
2085R0202XRadiology - Diagnostic Radiology R73777 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Regional Medical CenterVille platte, LAHospital
Franklin Medical CenterWinnsboro, LAHospital
Richardson Medical CenterRayville, LAHospital
Sabine Medical CenterMany, LAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Concord Radiology Pllc8628332061146
Gastrointestinal Specialists A M C054724508633
Clhg-acadian Llc084052120930
Clhg-oakdale Llc135562394338
Richland Parish Hospital Service District No 1-b216348159940
Allegiance Hospital Of Many, Llc327460755137
Hospital Service District No 1 Parish Of Avoyelles State Of La337544091024
Clhg-ville Platte Llc448690330945
Concordia Parish Hospital Service District Number One458755993524
Salient Radiology Associates, Pllc781021089518
Franklin Parish Hospital Service District No1781089330265
Caldwell Memorial Hospital, Inc.963806394421
Peterson Medical Associates1355467887146
Salient Radiology Associates, Pllc781021089518
Prime Healthcare Services-gadsden Physician Management Llc711323194570
Er Physician Group At Jackson Hospital8729059472102

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Stephen Shepherd Johnston allows following entities to bill medicare on his behalf.
Entity NameCigna Healthcare Of Arizona Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073626404
PECOS PAC ID: 1456263573
Enrollment ID: O20031105000515
Entity NameMt Graham Regional Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275588345
PECOS PAC ID: 6204822364
Enrollment ID: O20040423000105
Entity NameSanta Cruz Radiology L L C
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346291044
PECOS PAC ID: 7012996952
Enrollment ID: O20040715000380
Entity NameFoundation Radiology Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740482686
PECOS PAC ID: 3779683537
Enrollment ID: O20150121002208
Entity NameSouthern Arizona Rad Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518344639
PECOS PAC ID: 9133440753
Enrollment ID: O20150609000098
Entity NameColumbus Radiology Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669408159
PECOS PAC ID: 6507754983
Enrollment ID: O20170215002490
Entity NameRadiology Alliance Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861478489
PECOS PAC ID: 1850280470
Enrollment ID: O20180116002488
Entity NameSingleton Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538107875
PECOS PAC ID: 6305731118
Enrollment ID: O20180802001602
Entity NameSpecialists In Medical Imaging Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841687951
PECOS PAC ID: 2163733544
Enrollment ID: O20190423001412
Entity NameImaging Associates Of Indiana Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699072611
PECOS PAC ID: 1254503345
Enrollment ID: O20190523001165
Entity NameUniversity Hospitals Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669499414
PECOS PAC ID: 4789682493
Enrollment ID: O20200513001006
Entity NameSonoran Radiology Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033745708
PECOS PAC ID: 3375964505
Enrollment ID: O20200526002412
Entity NameGolden State Imaging Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144872052
PECOS PAC ID: 1254761315
Enrollment ID: O20200925002019
Entity NameMt Graham Regional Medical Center Inc
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1275588345
PECOS PAC ID: 6204822364
Enrollment ID: O20201016000847
Entity NameTallahassee Diag Imaging Ctr Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639129521
PECOS PAC ID: 9032193222
Enrollment ID: O20210119000171
Entity NameRadiology Associates Of Tallahassee Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003866773
PECOS PAC ID: 6709895675
Enrollment ID: O20210223001077
Entity NameConcord Radiology Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598260515
PECOS PAC ID: 8628332061
Enrollment ID: O20210429001711
Entity NameRadiology Associates Of Canton Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912982034
PECOS PAC ID: 7012829260
Enrollment ID: O20210622001126
Entity NameShps Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497490056
PECOS PAC ID: 7315325933
Enrollment ID: O20220615001044
Entity NameCambria Somerset Radiology & Nuclear Medicine Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730107590
PECOS PAC ID: 7113824277
Enrollment ID: O20240311003272
Entity NameRadiology Associates Of Appleton Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841229093
PECOS PAC ID: 6002851862
Enrollment ID: O20240812001484

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Stephen Shepherd Johnston is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Stephen Shepherd Johnston, MD
2492 E River Rd,
Tucson, AZ 85718-9552

Ph: (520) 722-8994		Stephen Shepherd Johnston, MD
2492 E River Rd,
Tucson, AZ 85718-9552

Ph: (520) 722-8994

Reviews and Comments


Radiology Doctors in Tucson, AZ

Gary A Podolny, MD
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Thomas R. Cain, M.D.
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William G Berger, MD
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Edward E Rogoff, M.D.
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Phone: 520-324-4214    Fax: 520-324-2680
Dr. Jose Bernardo Rebeil-de La Rosa, MD
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Phone: 520-722-8994    Fax: 520-624-0117
Marilyn Kay Croghan, M.D.
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Phone: 520-324-4214    Fax: 520-324-2680
Baldassarre Stea, MD, PHD
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Practice Location: 1501 N Campbell Ave, Tucson, AZ 85724
Phone: 520-694-7236    Fax: 520-626-2032

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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