Shannon Johnston
- Hospital affiliations
- 1
- Industry payments
- $51
- Medical groups
- 2
- State licenses
- 3
- Year NPI issued
- 2014
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Shannon 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.
Shannon Johnston is a nurse practitioner in Saint Louis, Missouri
Shannon Johnston practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Shannon Johnston's NPI, 1902212608, was assigned on July 2, 2014. Shannon Johnston holds Indiana license 71015147A.
- NPI
- 1902212608NPI Registry (opens in a new tab)
- NPI enumeration date
- July 2, 2014
- NPI status
- Active
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Shannon Johnston practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Shannon Johnston's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Shannon Johnston is affiliated with 3 sites of care and 2 medical groups
Shannon Johnston's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Shannon Johnston to 1 more group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Shannon Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Shannon Johnston practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Shannon Johnston is one of 1,347 nurse practitioners in Missouri
Nurse practitioner is Shannon Johnston's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dmand AI has Shannon Johnston's licenses on file in 3 states: Indiana, Illinois and Missouri.
Specialties and state licenses
- Nurse practitioner, IndianaPrimary
- Family nurse practitioner, Illinois
- Missouri license
Nurse practitioners near Shannon Johnston
Counts of nurse practitioners 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
Shannon Johnston's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Shannon Johnston's median patient age at 52, with 59% women.
Shannon 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 52
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Shannon Johnston received $51 in industry payments in 2025
CMS Open Payments shows 3 general payments to Shannon Johnston from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $23.
Companies that paid Shannon Johnston the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Shannon 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (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 Shannon 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 Shannon Johnston's NPI number?
Shannon Johnston's NPI number is 1902212608. It was assigned on July 2, 2014, and it is active in the NPI Registry.
What does Shannon Johnston specialize in?
Shannon Johnston is a nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Shannon Johnston practice?
Shannon Johnston practices at 615 New Ballas Road, Saint Louis, MO 63141. Shannon Johnston's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Shannon Johnston to 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Shannon Johnston's office phone number?
The practice phone on file for Shannon Johnston is (314) 251-6000.
What is Shannon Johnston's medical license number?
Shannon Johnston holds Indiana license 71015147A, one of the licenses on file in 3 states.
Which states has Shannon Johnston been licensed in?
Dmand AI has state licenses on file for Shannon Johnston in Indiana, Illinois and Missouri.
Which hospitals is Shannon Johnston affiliated with?
Shannon Johnston practices at Mercy Hospital St. Louis in Saint Louis, Missouri.
What medical group is Shannon Johnston part of?
Shannon Johnston is linked to Mercy Clinic East Communities. Dmand AI links Shannon Johnston to 1 more medical group.
Has Shannon Johnston received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to Shannon Johnston from 3 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Shannon Johnston been practicing?
Shannon Johnston graduated from medical school in 2014, 12 years ago.
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