Dr. Stephen Edward Johnston, MD
- Medicare services, 2024
- 344
- Medicare patients, 2024
- 208
- Part D claims, 2024
- 264
- Hospital affiliations
- 1
- Industry payments
- $156
- Practice address
- 5959 Park Ave, Memphis, TN 38119
- Practice phone
- Call (901) 765-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnston's professional email, personal email and mobile number
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Dr. Stephen Edward Johnston is an emergency medicine physician in Memphis, Tennessee
Dr. Johnston practices at Saint Francis Hospital-Memphis in Memphis, Tennessee, part of Tenet Healthcare.
Dr. Johnston's NPI, 1396724746, was assigned on January 13, 2006. Dr. Johnston graduated from University of Tennessee, Hsc, College of Medicine in 1990. Dr. Johnston holds Tennessee license MD24248.
- NPI
- 1396724746NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911074455
- NPI enumeration date
- January 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (901) 765-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Edward Johnston practices at Saint Francis Hospital-Memphis in Memphis, Tennessee
Dr. Johnston's primary practice is Saint Francis Hospital-Memphis, at 5959 Park Ave, Memphis, TN 38119 in Shelby County. The practice phone is (901) 765-1000.
- Saint Francis Hospital-Memphis5959 Park Ave, Memphis, TN 38119 · Shelby CountyPhone(901) 765-1000
Source: Dmand AI Affiliation Data
Dr. Stephen Edward Johnston is affiliated with 1 site of care and 2 medical groups
Dr. Johnston's primary practice is Saint Francis Hospital-Memphis in Memphis, Tennessee, part of Tenet Healthcare. The medical group on file is Southeastern Emergency Physicians. Dmand AI also links Dr. Johnston to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Edward Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Francis Hospital-Memphis | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Edward Johnston is one of 1,088 emergency medicine physicians in Tennessee
Emergency medicine is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnston is licensed in Tennessee.
Specialties and state licenses
- Emergency medicine, TennesseePrimary
Emergency medicine physicians near Dr. Johnston
Counts of emergency medicine physicians 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. Stephen Edward Johnston billed Medicare for 344 services in 2024
CMS data shows 344 Medicare services from Dr. Johnston across 4 procedure codes in 2024, for 208 Medicare patients. Medicare paid $27,452 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2612024: 21916%
- Tests and treatments
- 2023: 1372024: 1259%
Dr. Johnston compared with the Tennessee median for emergency medicine physicians, 2024
- Dr. Johnston
- Tennessee median
- Medicare services
- 344vs 26629% above
- Medicare patients
- 208vs 25719% below
- Part D claims
- 124vs 9333% above
Medians across 1,079 emergency medicine physicians in Tennessee 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Edward Johnston treated 208 Medicare patients in 2024, average age 72
CMS counts 208 Medicare patients who saw Dr. Johnston in 2024. The largest group is 75 to 84, with 71 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.83, 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 51, with 60% women.
Dr. Johnston's Medicare patients by age, 2024
Dr. Johnston's Medicare patients by sex, 2024
- Women13063%
- Men7838%
Chronic conditions among Dr. Johnston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes47%
- Ischemic heart disease47%
- Heart failure43%
- Mood disorders41%
- Anxiety39%
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 51
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Edward Johnston wrote 264 Medicare Part D claims in 2024
In 2024, Dr. Johnston wrote 264 Medicare Part D claims for 133 patients. 92% of them were for generic drugs. CMS names the drug for 124 of them, across 8 drugs with 11 or more claims each, at $841 in total drug cost. In 2023, CMS named 116 claims across 7 drugs.
Dr. Johnston's Part D claims by kind of drug, 2024
- Generic243 claims92%
- Brand-name21 claims8%
Dr. Johnston's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnston's Part D claims, 2024
- Antibiotics15%40 of 264 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1162024: 1247%
Drugs named by CMS: 8 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Stephen Edward Johnston takes part in Medicare
Dr. Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Stephen Edward Johnston received $156 in industry payments from 2019 to 2024
CMS Open Payments shows 9 general payments to Dr. Johnston from 4 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $92.
General payments to Dr. Johnston by program year, 2019 to 2024
Companies that paid Dr. Johnston the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Edward Johnston graduated from University of Tennessee, Hsc, College of Medicine
Dr. Johnston graduated from University of Tennessee, Hsc, College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Edward 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 DataDmand AI Org Hierarchy 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. Stephen Edward 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. Stephen Edward Johnston's NPI number?
Dr. Stephen Edward Johnston's NPI number is 1396724746. It was assigned on January 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Edward Johnston?
Dr. Stephen Edward Johnston is an emergency medicine physician in Memphis, Tennessee. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Stephen Edward Johnston practice?
Dr. Johnston practices at 5959 Park Ave, Memphis, TN 38119. Dr. Johnston's primary practice is Saint Francis Hospital-Memphis in Memphis, Tennessee, part of Tenet Healthcare. Dmand AI also links Dr. Johnston to 1 medical group.
What is Dr. Stephen Edward Johnston's office phone number?
The practice phone on file for Dr. Johnston is (901) 765-1000.
What is Dr. Stephen Edward Johnston's medical license number?
Dr. Johnston holds Tennessee license MD24248.
Which hospitals is Dr. Stephen Edward Johnston affiliated with?
Dr. Johnston practices at Saint Francis Hospital-Memphis in Memphis, Tennessee.
What medical group is Dr. Stephen Edward Johnston part of?
Dr. Johnston is linked to Southeastern Emergency Physicians. Dmand AI links Dr. Johnston to 1 more medical group.
Does Dr. Stephen Edward Johnston accept Medicare?
Yes. CMS data shows Dr. Johnston billed Medicare for 344 services in 2024, and Dr. Johnston accepts Medicare assignment.
How many Medicare patients does Dr. Stephen Edward Johnston see?
CMS counts 208 Medicare patients who saw Dr. Johnston in 2024, with an average age of 72.
What services does Dr. Stephen Edward Johnston bill to Medicare?
In 2024, Dr. Johnston's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Stephen Edward Johnston go to medical school?
Dr. Johnston graduated from University of Tennessee, Hsc, College of Medicine in 1990.
What drugs does Dr. Stephen Edward Johnston prescribe most?
In 2024 Medicare Part D data, Dr. Johnston's most prescribed drugs by claims were Methylprednisolone, Omeprazole and Ondansetron HCl.
Has Dr. Stephen Edward Johnston received payments from drug or device companies?
CMS Open Payments shows $156 in general payments to Dr. Johnston from 4 companies from 2019 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Stephen Edward Johnston been practicing?
Dr. Johnston graduated from medical school in 1990, 36 years ago.
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