DR. SEAN L JOHNSTON M.D. PH.D. NPI 1477581866

NPI Information

  • NPI: 1477581866
  • Provider Name: DR. SEAN L JOHNSTON, M.D., PH.D.
  • Classification: Radiology - 2085R0204X
  • Specialization: Vascular & Interventional Radiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 2414 S FAIRVIEW ST STE 202B
    SANTA ANA, CA
    ZIP 92704
  • Phone: (805) 300-6761

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NPI Details

DR. Sean L Johnston, M.D., PH.D. is a vascular and interventional radiology radiology in Santa Ana, CA with 28 years of experience. The provider is a radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging. DR. Sean L Johnston, M.D., PH.D. NPI is 1477581866. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: MAYO MEDICAL SCHOOL
Graduation Year:1998

The provider's business location address is:

2414 S FAIRVIEW ST STE 202B
SANTA ANA, CA
ZIP 92704-318
Phone: (805) 300-6761

The NPI 1477581866 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • X-ray of chest, 1 view (HCPCS:71045)
  • Injection, gadoteridol, (prohance multipack), per ml (HCPCS:A9576)
  • Dxa bone density measurement of hip, pelvis, spine (HCPCS:77080)
  • X-ray of chest, 2 views (HCPCS:71046)
  • Ct scan head or brain without contrast (HCPCS:70450)
  • Ct scan of abdomen and pelvis without contrast (HCPCS:74176)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • X-ray of foot, minimum of 3 views (HCPCS:73630)
  • Complete ultrasound scan behind abdominal cavity (HCPCS:76770)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • Ct scan of chest without contrast (HCPCS:71250)
  • X-ray of abdomen, 1 view (HCPCS:74018)
  • Mri scan of lower spinal canal without contrast (HCPCS:72148)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • X-ray of knee, 3 views (HCPCS:73562)
  • Mri scan of lower spinal canal without contrast (HCPCS:72148)
  • Mri scan of brain without contrast (HCPCS:70551)
  • X-ray of hand, minimum of 3 views (HCPCS:73130)
  • Complete ultrasound scan of abdomen (HCPCS:76700)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS:93971)
  • Limited ultrasound scan of abdomen (HCPCS:76705)
  • Imaging guidance for procedure, 60 minutes or less (HCPCS:76000)
  • X-ray of lower and sacral spine, 2-3 views (HCPCS:72100)
  • Ct scan of chest with contrast (HCPCS:71260)
  • X-ray of pelvis, 1-2 views (HCPCS:72170)
  • Ct scan of blood vessels of chest with contrast (HCPCS:71275)
  • Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS:93970)
  • X-ray of lower and sacral spine, minimum of 4 views (HCPCS:72110)
  • X-ray of ankle, minimum of 3 views (HCPCS:73610)
  • Ultrasound scan of head and neck soft tissue (HCPCS:76536)
  • X-ray of wrist, minimum of 3 views (HCPCS:73110)
  • Ct scan of upper spine without contrast (HCPCS:72125)
  • Ct scan of lower spine without contrast (HCPCS:72131)
  • Mri scan of upper spinal canal without contrast (HCPCS:72141)
  • X-ray of knee, 1-2 views (HCPCS:73560)
  • X-ray of knee, 4 or more views (HCPCS:73564)
  • Ct scan of blood vessels of neck with contrast (HCPCS:70498)
  • X-ray of lower and sacral spine, minimum of 4 views (HCPCS:72110)
  • Ct scan of blood vessels of head with contrast (HCPCS:70496)
  • Mri scan of leg joint without contrast (HCPCS:73721)
  • X-ray of lower leg, 2 views (HCPCS:73590)
  • Mri scan of arm joint without contrast (HCPCS:73221)
  • X-ray of upper spine, 2-3 views (HCPCS:72040)
  • Ct scan of abdomen and pelvis before and after contrast (HCPCS:74178)
  • X-ray of abdomen, 2 views (HCPCS:74019)
  • Complete ultrasound scan of pelvis (HCPCS:76856)
  • Mri scan of brain before and after contrast (HCPCS:70553)
  • X-ray of elbow, minimum of 3 views (HCPCS:73080)
  • X-ray of thigh bone, minimum 2 views (HCPCS:73552)
  • X-ray of upper spine, 4-5 views (HCPCS:72050)
  • Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS:76830)
  • Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
  • X-ray of upper spine, 4-5 views (HCPCS:72050)
  • Ct scan of face without contrast (HCPCS:70486)
  • X-ray of middle spine, 2 views (HCPCS:72070)
  • Mri scan of upper spinal canal without contrast (HCPCS:72141)
  • X-ray of shoulder, minimum of 2 views (HCPCS:73030)
  • X-ray of upper arm, minimum of 2 views (HCPCS:73060)
  • Mri scan of abdomen without contrast (HCPCS:74181)
  • X-ray of middle spine, 2 views (HCPCS:72070)
  • Ct scan of leg without contrast (HCPCS:73700)
  • X-ray of ribs on side of body, minimum of 3 views (HCPCS:71101)
  • X-ray of knee, 4 or more views (HCPCS:73564)
  • X-ray of forearm, 2 views (HCPCS:73090)
  • X-ray of foot, 2 views (HCPCS:73620)
  • Mri scan of lower spinal canal before and after contrast (HCPCS:72158)
  • X-ray of ribs on side of body, 2 views (HCPCS:71100)
  • Ultrasound of leg arteries or artery grafts (HCPCS:93925)
  • Limited ultrasound scan of pelvis (HCPCS:76857)
  • Ultrasound scan of scrotum (HCPCS:76870)
  • X-ray of hip, 1 view (HCPCS:73501)
  • Ct scan of arm without contrast (HCPCS:73200)
  • X-ray of both hips, 3-4 views (HCPCS:73522)
  • X-ray of wrist, 2 views (HCPCS:73100)
  • X-ray lower and sacral spine, minimum of 6 views (HCPCS:72114)
  • Ct scan of middle spine without contrast (HCPCS:72128)
  • Mri scan of middle spinal canal without contrast (HCPCS:72146)
  • Nuclear medicine study of bone and/or joint whole body (HCPCS:78306)
  • X-ray of hip, 2-3 views (HCPCS:73502)
  • Mri scan of leg without contrast (HCPCS:73718)
  • X-ray of middle spine, 3 views (HCPCS:72072)
  • Ct scan of soft tissue of neck with contrast (HCPCS:70491)
  • Mri scan of brain without contrast (HCPCS:70551)
  • Ct scan of blood vessels of abdomen and pelvis with contrast (HCPCS:74174)
  • X-ray of ankle, 2 views (HCPCS:73600)
  • X-ray of both hips, 3-4 views (HCPCS:73522)
  • Mri scan of upper spinal canal before and after contrast (HCPCS:72156)
  • Limited ultrasound scan behind abdominal cavity (HCPCS:76775)
  • X-ray series of abdomen with single x-ray of chest (HCPCS:74022)
  • Complete ultrasound study of arm and leg arteries (HCPCS:93923)
  • X-ray of finger, minimum of 2 views (HCPCS:73140)
  • Mri scan of lower spinal canal before and after contrast (HCPCS:72158)
  • X-ray of sacrum and tailbone, minimum of 2 views (HCPCS:72220)
  • X-ray lower and sacral spine, minimum of 6 views (HCPCS:72114)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS:78815)
  • Mri scan of abdomen before and after contrast (HCPCS:74183)
  • X-ray of entire middle and lower spine, 2-3 views (HCPCS:72082)
  • Mri scan of middle spinal canal without contrast (HCPCS:72146)
  • X-ray of soft tissue of neck (HCPCS:70360)
  • Ct scan of pelvis without contrast (HCPCS:72192)
  • X-ray of hand, 2 views (HCPCS:73120)
  • Ct scan of abdomen without contrast (HCPCS:74150)
  • Ct scan of abdomen before and after contrast (HCPCS:74170)
  • Ultrasound scan of abdominal aorta (HCPCS:76706)

The enumeration date for this NPI number is 6/28/2006 and was last updated on 10/10/2016.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
12471M1202XRadiologic TechnologistMagnetic Resonance Imaging49574CALIFORNIANo
22085B0100XRadiologyBody ImagingA73716CALIFORNIANo
32085N0700XRadiologyNeuroradiologyA73716CALIFORNIANo
42085P0229XRadiologyPediatric RadiologyA73716CALIFORNIANo
52085R0202XRadiologyDiagnostic RadiologyA73716CALIFORNIANo
62085R0203XRadiologyTherapeutic RadiologyA73716CALIFORNIANo
72085U0001XRadiologyDiagnostic UltrasoundA73716CALIFORNIANo
82085R0204XRadiologyVascular & Interventional RadiologyA73716CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1A73716OTHERCALIFORNIAMEDICAL LIC
2I00309MEDICARE UPINCALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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