David N. Johnston Jr., CRNA
- Medicare patients, 2024
- 28
- Hospital affiliations
- 2
- Medical groups
- 7
- State licenses
- 2
- Year NPI issued
- 2016
- Practice address
- 4001 Dutchmans Ln, Louisville, KY 40207
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Norton Women's and Children's Hospital-Operating Room - HOPD
Acute Care Hospital outpatient department · Louisville, Kentucky
Find David 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.
David N. Johnston Jr. is a nurse anesthetist in Louisville, Kentucky
David Johnston practices at Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky.
David Johnston's NPI, 1417400896, was assigned on August 2, 2016. David Johnston holds Tennessee license 42573.
- NPI
- 1417400896NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193011427
- NPI enumeration date
- August 2, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David N. Johnston Jr. practices at Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky
David Johnston's primary practice is Norton Women's and Children's Hospital-Operating Room - HOPD, at 4001 Dutchmans Ln, Louisville, KY 40207.
- Norton Women's and Children's Hospital-Operating Room - HOPD4001 Dutchmans Ln, Louisville, KY 40207
Source: Dmand AI Affiliation Data
David N. Johnston Jr. is affiliated with 9 sites of care and 7 medical groups
David Johnston's primary practice is Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky. David Johnston is also affiliated with Memorial Hospital Gulfport. The medical group on file is Memorial Hospital at Gulfport. Dmand AI also links David Johnston to 1 more hospital, 6 medical groups, 5 group practices and clinics and 1 ambulatory surgery center, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David N. Johnston Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Johnston practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Norton Women's and Children's Hospital-Operating Room - HOPD | Available with a free account |
| +8 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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David N. Johnston Jr. is one of 1,320 nurse anesthetists in Kentucky
Nurse anesthetist, certified registered is David Johnston's primary specialty in the NPI Registry, under taxonomy code 367500000X. Dmand AI has David Johnston's licenses on file in 2 states: Tennessee and Mississippi.
Specialties and state licenses
- Certified registered nurse anesthetist, TennesseePrimary
- Mississippi license
Nurse anesthetists near David Johnston
Counts of nurse anesthetists 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
David N. Johnston Jr. treated 28 Medicare patients in 2024, average age 73
CMS counts 28 Medicare patients who saw David Johnston in 2024. The largest group is 65 to 74, with 15 patients. 64% of them have high blood pressure, and 61% have arthritis. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts David Johnston's median patient age at 28, with 80% women.
David Johnston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
David Johnston's Medicare patients by sex, 2024
- Women1554%
- Men1346%
Chronic conditions among David Johnston's Medicare patients, 2024
- High blood pressure64%
- Arthritis61%
- High cholesterol50%
Share of Medicare patients with each condition. A patient can have several.
David 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 28
Patient panel by sex, all payers
- Women80%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How David N. Johnston Jr. takes part in Medicare
David 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)
Sources for David N. Johnston Jr.'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 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 David N. Johnston Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David N. Johnston Jr.'s NPI number?
David N. Johnston Jr.'s NPI number is 1417400896. It was assigned on August 2, 2016, and it is active in the NPI Registry.
What does David N. Johnston Jr. specialize in?
David N. Johnston Jr. is a nurse anesthetist in Louisville, Kentucky. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does David N. Johnston Jr. practice?
David Johnston practices at 4001 Dutchmans Ln, Louisville, KY 40207. David Johnston's primary practice is Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky. Dmand AI also links David Johnston to 1 hospital, 6 medical groups, 5 group practices and clinics and 1 ambulatory surgery center.
What is David N. Johnston Jr.'s medical license number?
David Johnston holds Tennessee license 42573, one of the licenses on file in 2 states.
Which states has David N. Johnston Jr. been licensed in?
Dmand AI has state licenses on file for David Johnston in Tennessee and Mississippi.
Which hospitals is David N. Johnston Jr. affiliated with?
David Johnston is affiliated with Memorial Hospital Gulfport. Dmand AI links David Johnston to 1 more hospital.
What medical group is David N. Johnston Jr. part of?
David Johnston is linked to Memorial Hospital at Gulfport. Dmand AI links David Johnston to 6 more medical groups.
Does David N. Johnston Jr. accept Medicare?
Yes. CMS lists David Johnston as accepting Medicare assignment.
How many Medicare patients does David N. Johnston Jr. see?
CMS counts 28 Medicare patients who saw David Johnston in 2024, with an average age of 73.
How long has David N. Johnston Jr. been practicing?
David Johnston graduated from medical school in 2015, 11 years ago.
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