Dr. Walker Levi Johnson, MD
- Part D claims, 2024
- 674
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 501 Morris Street, Charleston, WV 25301
- Practice phone
- Call (304) 388-5432
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Walker Levi Johnson is an internist in Charleston, West Virginia
Dr. Johnson practices at Charleston Area Medical Center General Hospital in Charleston, West Virginia, part of Vandalia Health.
Dr. Johnson's NPI, 1699418111, was assigned on April 14, 2022. Dr. Johnson graduated from California University of Science and Medicine in 2022. Dr. Johnson holds West Virginia license 35141.
- NPI
- 1699418111NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981084936
- NPI enumeration date
- April 14, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (304) 388-5432
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Walker Levi Johnson practices at Charleston Area Medical Center General Hospital in Charleston, West Virginia
Dr. Johnson's primary practice is Charleston Area Medical Center General Hospital, at 501 Morris Street, Charleston, WV 25301 in Kanawha County. The practice phone is (304) 388-5432.
- Charleston Area Medical Center General Hospital501 Morris Street, Charleston, WV 25301 · Kanawha CountyPhone(304) 388-5432
Source: Dmand AI Affiliation Data
Dr. Walker Levi Johnson is affiliated with 1 site of care and 1 medical group
Dr. Johnson's primary practice is Charleston Area Medical Center General Hospital in Charleston, West Virginia, part of Vandalia Health. The medical group on file is Charleston Area Medical Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Walker Levi Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charleston Area Medical Center General Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Walker Levi Johnson is one of 718 internists in West Virginia
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is licensed in West Virginia.
Specialties and state licenses
- Internal medicine, West VirginiaPrimary
Internists near Dr. Johnson
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. Walker Levi Johnson's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 71, with 56% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Walker Levi Johnson wrote 674 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 674 Medicare Part D claims for 70 patients. 78% of them were for generic drugs. CMS names the drug for 290 of them, across 15 drugs with 11 or more claims each, at $16,013 in total drug cost.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic524 claims78%
- Brand-name136 claims20%
- Other14 claims2%
Dr. Johnson'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. Johnson's Part D claims, 2024
- Opioids8%51 of 674 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
How Dr. Walker Levi Johnson takes part in Medicare
Dr. Johnson 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. Walker Levi Johnson graduated from California University of Science and Medicine
Dr. Johnson graduated from California University of Science and Medicine in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Walker Levi Johnson'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Walker Levi Johnson
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. Walker Levi Johnson's NPI number?
Dr. Walker Levi Johnson's NPI number is 1699418111. It was assigned on April 14, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Walker Levi Johnson?
Dr. Walker Levi Johnson is an internist in Charleston, West Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Walker Levi Johnson practice?
Dr. Johnson practices at 501 Morris Street, Charleston, WV 25301. Dr. Johnson's primary practice is Charleston Area Medical Center General Hospital in Charleston, West Virginia, part of Vandalia Health.
What is Dr. Walker Levi Johnson's office phone number?
The practice phone on file for Dr. Johnson is (304) 388-5432.
What is Dr. Walker Levi Johnson's medical license number?
Dr. Johnson holds West Virginia license 35141.
Which hospitals is Dr. Walker Levi Johnson affiliated with?
Dr. Johnson practices at Charleston Area Medical Center General Hospital in Charleston, West Virginia.
What medical group is Dr. Walker Levi Johnson part of?
Dr. Johnson is linked to Charleston Area Medical Center.
Does Dr. Walker Levi Johnson accept Medicare?
Yes. CMS lists Dr. Johnson as accepting Medicare assignment.
Where did Dr. Walker Levi Johnson go to medical school?
Dr. Johnson graduated from California University of Science and Medicine in 2022.
What drugs does Dr. Walker Levi Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Hydrocodone-Acetaminophen.
How long has Dr. Walker Levi Johnson been practicing?
Dr. Johnson graduated from medical school in 2022, 4 years ago.
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