David N. Johnston Jr., CRNA

  • Louisville, KY
  • Nurse anesthetist
NPI1417400896PAC ID5193011427
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Norton Women's and Children's Hospital-Operating Room - HOPD

Acute Care Hospital outpatient department · Louisville, Kentucky

See all 16 affiliations

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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 and contact details
Medicare PAC ID
5193011427
NPI enumeration date
August 2, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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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 - HOPD
    4001 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.

See all 16 affiliations for David Johnston

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.

EHR by site
SiteEHR vendor and product
Norton Women's and Children's Hospital-Operating Room - HOPDAvailable with a free account
+8 more sites and 6 medical groupsAvailable 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, TennesseePrimaryLicense 42573 · taxonomy 367500000X
  • Mississippi licenseLicense R901362

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.

Medicare patients, 202428
Average age73
Average risk score1.77

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

  1. High blood pressure64%
  2. Arthritis61%
  3. 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

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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