Christopher Warren Johnson, MD
Diagnostic Radiology Physician · Mobile, AL
Christopher Warren Johnson, MD is a diagnostic radiology physician with a practice address in Mobile, Alabama, and NPI 1285338418, issued on Mar 30, 2023. Check the license (Alabama L.5946R, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Christopher Warren Johnson
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- L.5946R AL
Self-reported in NPPES; status is on the state search - Practice location
- 2451 University Hospital Dr RM 714, Mobile, AL 36617
- Phone
- (251) 471-7207
- Enumerated
- Mar 30, 2023
- Record last updated
- Jul 2, 2024
- Fax
- (251) 471-7468
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 550 in Alabama → Look up another NPI →
Also registered at 2451 University Hospital Dr RM 714
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher Warren Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license L.5946RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average diagnostic radiology physician in 2024
62 Medicare Part D claims for 25 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $147.60
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Christopher Warren Johnson among 550 diagnostic radiology physician records in Alabama
Christopher Warren Johnson, MD is one of 550 diagnostic radiology physician records with a practice address in Alabama. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 3% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 diagnostic radiology physician records list a practice address in Mobile
They are 82 of the 6,309 NPPES records with a practice address in Mobile, and 550 diagnostic radiology physician records in Alabama.
All 550 in Alabama → Every provider in Mobile → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Michael Aguilar, M.D.Mobile, AL 366171770978454
- Paul Anderson, MDMobile, AL 366171578512901
- Paul BilleaudMobile, AL 366171073710943
- John Brannan, MDMobile, AL 366171073563508
- Thomas Brim, DOMobile, AL 366171184186959
- Justin Broadhead, DOMobile, AL 366171730574500
- Fatima Chouhdry, M.D.Mobile, AL 366171457694663
- Shikha Gupta, MDMobile, AL 366171235189085
Common questions
What is Christopher Warren Johnson, MD's NPI number?
Christopher Warren Johnson, MD's National Provider Identifier (NPI) is 1285338418, issued on Mar 30, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Warren Johnson, MD located?
The NPPES record lists a practice address at 2451 University Hospital Dr RM 714, Mobile, AL, 36617. Phone: (251) 471-7207. Providers update this record themselves, so call before visiting.
How can I verify Christopher Warren Johnson, MD's license?
NPPES lists Alabama license number L.5946R, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Warren Johnson, MD prescribe under Medicare Part D?
In 2024, Christopher Warren Johnson, MD had 62 Medicare Part D claims for 25 beneficiaries; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.