Dr. Sean L. Johnston, MD, PhD
- Medicare services, 2024
- 9,441
- Medicare patients, 2024
- 5,169
- MIPS score, 2024
- 56
- Hospital affiliations
- 6
- Industry payments
- $13
- Practice address
- 615 Pine St, Port Huron, MI 48060-5400
- Practice phone
- Call (810) 989-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Blue Water Open Mri
Multi-specialty group site · Port Huron, Michigan
Find Dr. Johnston's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sean L. Johnston is an interventional radiologist in Port Huron, Michigan
Dr. Johnston practices at Blue Water Open Mri in Port Huron, Michigan.
Dr. Johnston's NPI, 1477581866, was assigned on June 28, 2006. Dr. Johnston graduated from Mayo Clinic Alix School of Medicine - Rochester in 1998. Dr. Johnston holds California license A73716.
- NPI
- 1477581866NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547152340
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Practice phone
- (810) 989-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sean L. Johnston practices at Blue Water Open Mri in Port Huron, Michigan
Dr. Johnston's primary practice is Blue Water Open Mri, at 615 Pine St, Port Huron, MI 48060-5400. The practice phone is (810) 989-0000.
- Blue Water Open Mri615 Pine St, Port Huron, MI 48060-5400Phone(810) 989-0000
Source: Dmand AI Affiliation Data
Dr. Sean L. Johnston is affiliated with 8 sites of care and 12 medical groups
Dr. Johnston's primary practice is Blue Water Open Mri in Port Huron, Michigan. Dr. Johnston is also affiliated with Adventist Health Hanford. The medical group on file is Michigan Neurology & Spine Center. Dmand AI also links Dr. Johnston to 5 more hospitals, 11 medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sean L. Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Blue Water Open Mri | Available with a free account |
| +7 more sites and 11 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sean L. Johnston is one of 120 interventional radiologists in Michigan
Vascular and interventional radiology is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Johnston is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Johnston's licenses on file in 15 states: California, Michigan, Florida, Georgia, Arizona, Kentucky, Maine, New Mexico, Texas, Utah, Alabama, Oregon, Colorado, New Hampshire and Massachusetts.
Specialties and state licenses
- Vascular and interventional radiology, CaliforniaPrimary
- Michigan license
- Florida license
- Georgia license
- Arizona license
- Kentucky license
- Maine license
- New Mexico license
- Texas license
- Utah license
- Alabama license
- Oregon license
- Colorado license
- New Hampshire license
- Massachusetts license
Interventional radiologists near Dr. Johnston
Counts of interventional radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sean L. Johnston billed Medicare for 9,441 services in 2024
CMS data shows 9,441 Medicare services from Dr. Johnston across 95 procedure codes in 2024, for 5,169 Medicare patients. Medicare paid $206,083 for them.
Dr. Johnston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 6,8562024: 7,72113%
- Other services
- 2023: 1,2242024: 1,43017%
- Tests and treatments
- 2023: 2662024: 2909%
Where Dr. Johnston's Medicare services took place, 2024
- In an office1,93320%
- In a facility7,50880%
Dr. Johnston compared with the Michigan median for interventional radiologists, 2024
- Dr. Johnston
- Michigan median
- Medicare services
- 9,441vs 69713.5 times
- Medicare patients
- 5,169vs 6587.9 times
Medians across 103 interventional radiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Johnston's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Johnston?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnston and other interventional radiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sean L. Johnston treated 5,169 Medicare patients in 2024, average age 72
CMS counts 5,169 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 2,155 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 56% are also on Medicaid. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnston's median patient age at 45, with 65% women.
Dr. Johnston's Medicare patients by age, 2024
Dr. Johnston's Medicare patients by sex, 2024
- Women3,28263%
- Men1,88737%
Chronic conditions among Dr. Johnston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes48%
- Ischemic heart disease35%
- Chronic kidney disease32%
- Anxiety29%
- Heart failure26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sean L. Johnston scored 56 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 56 out of 100 for Dr. Johnston for performance year 2024, reported individually.
Dr. Johnston's MIPS scores, performance year 2024
- 56of 100Final score
- 52.1of 100Quality
- 0of 100Improvement Activities
- 66of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Sean L. Johnston received $13 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Johnston from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Orthofix Medical, Inc. paid the most, $13.
Companies that paid Dr. Johnston the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sean L. Johnston graduated from Mayo Clinic Alix School of Medicine - Rochester
Dr. Johnston graduated from Mayo Clinic Alix School of Medicine - Rochester in 1998.
- Medical school
- Board certified in interventional radiology and diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Sean L. Johnston accepts plans from 11 insurance carriers
Dr. Johnston is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Johnston accepts, by number of carriers
- Medicare7
- PPO7
- POS4
- HMO3
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sean L. Johnston's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sean L. Johnston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sean L. Johnston's NPI number?
Dr. Sean L. Johnston's NPI number is 1477581866. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sean L. Johnston?
Dr. Sean L. Johnston is an interventional radiologist in Port Huron, Michigan. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. Sean L. Johnston practice?
Dr. Johnston practices at 615 Pine St, Port Huron, MI 48060-5400. Dr. Johnston's primary practice is Blue Water Open Mri in Port Huron, Michigan. Dmand AI also links Dr. Johnston to 5 hospitals, 11 medical groups and 1 group practice or clinic.
What is Dr. Sean L. Johnston's office phone number?
The practice phone on file for Dr. Johnston is (810) 989-0000.
What is Dr. Sean L. Johnston's medical license number?
Dr. Johnston holds California license A73716, one of the licenses on file in 15 states.
Which states has Dr. Sean L. Johnston been licensed in?
Dmand AI has state licenses on file for Dr. Johnston in California (2001 to 2027), Michigan (2018 to 2028), Florida (2013 to 2027), Georgia (2013 to 2027), Arizona (2013 to 2026), Kentucky (2017 to 2026), Maine (2018 to 2026), New Mexico (2013 to 2026), Texas (2018 to 2026), Utah (2012 to 2026), Alabama (2019 to 2025), Oregon (2020 to 2025), Colorado (2017 to 2023), New Hampshire (2019 to 2023) and Massachusetts (2013 to 2016).
Which hospitals is Dr. Sean L. Johnston affiliated with?
Dr. Johnston is affiliated with Adventist Health Hanford. Dmand AI links Dr. Johnston to 5 more hospitals.
What medical group is Dr. Sean L. Johnston part of?
Dr. Johnston is linked to Michigan Neurology & Spine Center. Dmand AI links Dr. Johnston to 11 more medical groups.
Does Dr. Sean L. Johnston accept Medicare?
Yes. CMS data shows Dr. Johnston billed Medicare for 9,441 services in 2024.
What is Dr. Sean L. Johnston's MIPS score?
Dr. Johnston's MIPS final score for performance year 2024 is 56 out of 100, reported individually.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Sean L. Johnston see?
CMS counts 5,169 Medicare patients who saw Dr. Johnston in 2024, with an average age of 72.
Is Dr. Sean L. Johnston board certified?
Yes. Dr. Johnston is board certified in interventional radiology and diagnostic radiology by the American Board of Radiology.
What services does Dr. Sean L. Johnston bill to Medicare?
In 2024, Dr. Johnston's most billed Medicare services were medical supplies or transport (A9576), diagnostic imaging (71045) and radiation oncology (77080).
Where did Dr. Sean L. Johnston go to medical school?
Dr. Johnston graduated from Mayo Clinic Alix School of Medicine - Rochester in 1998.
Has Dr. Sean L. Johnston received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Johnston from 1 company from 2023 to 2023. The largest total came from Orthofix Medical, Inc.
How long has Dr. Sean L. Johnston been practicing?
Dr. Johnston graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Sean L. Johnston accept?
Dr. Johnston is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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