Alzheimer DiseaseGliosisRespiration
Dr. John Wilbren Hooker IV, DO
NPI1679325377
- Part D claims, 2024
- 167
- Publications
- 2
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2024
- 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 Dr. Hooker'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. John Wilbren Hooker IV is an internist in Saint Louis, Missouri
Dr. Hooker practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Hooker's NPI, 1679325377, was assigned on April 4, 2024. Dr. Hooker holds Missouri license 202402236.
NPI and contact details
- NPI
- 1679325377NPI Registry (opens in a new tab)
- NPI enumeration date
- April 4, 2024
- NPI status
- Active
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Wilbren Hooker IV practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Hooker'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
Dr. John Wilbren Hooker IV is affiliated with 1 site of care
Dr. Hooker's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Wilbren Hooker IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hooker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Wilbren Hooker IV is one of 2,114 internists in Missouri
Internal medicine is Dr. Hooker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hooker is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Hooker
Counts of internists 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. John Wilbren Hooker IV's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Hooker's median patient age at 79, with 86% women.
Dr. Hooker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women86%
- Men14%
Source: Dmand AI Patient Panel Data
Dr. John Wilbren Hooker IV wrote 167 Medicare Part D claims in 2024
In 2024, Dr. Hooker wrote 167 Medicare Part D claims for 34 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $6 in total drug cost.
Part D claims, 2024167
Drugs named by CMS1
Total drug cost$6
Part D patients34
Dr. Hooker's Part D claims by kind of drug, 2024
- Generic144 claims86%
- Brand-name and other23 claims14%
Dr. Hooker'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. Hooker's Part D claims, 2024
- Opioids11%18 of 167 claims
- Antibiotics7%12 of 167 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Dr. John Wilbren Hooker IV has 2 publications on record
Dmand AI links 2 papers to Dr. Hooker, published from 2018 to 2022. The most frequent topics are Alzheimer Disease and Streptozocin.
Papers2
Years published2018 to 2022
Topics Dr. Hooker writes about most
- Alzheimer Disease
- Streptozocin
Recent publications by Dr. Hooker
Alzheimer DiseaseDisease Models, AnimalProto-Oncogene Proteins c-fos
See who Dr. Hooker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hooker works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. John Wilbren Hooker IV'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 |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John Wilbren Hooker IV
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. John Wilbren Hooker IV's NPI number?
Dr. John Wilbren Hooker IV's NPI number is 1679325377. It was assigned on April 4, 2024, and it is active in the NPI Registry.
What kind of doctor is Dr. John Wilbren Hooker IV?
Dr. John Wilbren Hooker IV is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Wilbren Hooker IV practice?
Dr. Hooker practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Hooker's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
What is Dr. John Wilbren Hooker IV's office phone number?
The practice phone on file for Dr. Hooker is (314) 251-6000.
What is Dr. John Wilbren Hooker IV's medical license number?
Dr. Hooker holds Missouri license 202402236.
Which hospitals is Dr. John Wilbren Hooker IV affiliated with?
Dr. Hooker practices at Mercy Hospital St. Louis in Saint Louis, Missouri.
What drugs does Dr. John Wilbren Hooker IV prescribe most?
In 2024 Medicare Part D data, Dr. Hooker's most prescribed drugs by claims were Lisinopril.
How long has Dr. John Wilbren Hooker IV been practicing?
Dr. Hooker's NPI was assigned in 2024.
Does Dr. John Wilbren Hooker IV do research?
Dmand AI links 2 publications to Dr. Hooker, published from 2018 to 2022.
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