NPPES file of Aug 9, 2026

Christopher Vaughan Johnson, MD

Psychiatry Physician · East Saint Louis, IL

Christopher Vaughan Johnson, MD is a psychiatry physician with a practice address in East Saint Louis, Illinois, and NPI 1205975448, issued on Feb 5, 2007. Check the license (Illinois 036.125045, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205975448
Name
Christopher Vaughan Johnson
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
036.125045 IL
24544 OK
Self-reported in NPPES; status is on the state search
Practice location
100 N 8TH St, East Saint Louis, IL 62201
Phone
(618) 271-0130
Enumerated
Feb 5, 2007
Record last updated
May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(618) 271-6325
Medicare enrollment
Enrolled (PECOS I20101207001123); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 N 8TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Loynd, D.O.Psychiatry Physician1003965955
  2. Narsimha Muddasani, M.D.Psychiatry Physician1548366263
  3. Joyce Stewart-Borders, CNPWomen's Health Nurse Practitioner1861558249

Verify Christopher Vaughan Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.125045
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.8 times the Medicare Part D claims of the average psychiatry physician in 2024

4,803 Medicare Part D claims for 249 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Christopher Johnson4,803
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl474 claims
  2. Risperidone382 claims
  3. Trazodone Hcl293 claims
  4. Quetiapine Fumarate272 claims
  5. Lorazepam229 claims
  6. Clonazepam211 claims

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: $341.19

19 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Johnson$341.19
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Southern Illinois Health Care Foundation IncEast Saint Louis, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Vaughan Johnson among 2,147 psychiatry physician records in Illinois

Christopher Vaughan Johnson, MD is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.

  • NPI issued2007 · 35% of these records are older, 50% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2005 · median 2004 among the 877 with a school on file
  • Record last updated2021 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 psychiatry physician records list a practice address in East Saint Louis

They are 4 of the 118 NPPES records with a practice address in East Saint Louis, and 2,147 psychiatry physician records in Illinois.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Christopher Loynd, D.O.East Saint Louis, IL 622011003965955
  2. Narsimha Muddasani, M.D.East Saint Louis, IL 622011548366263
  3. Marshall Katzman, M.D.East Saint Louis, IL 622051306853676
  4. Bhawna Sharma, M.DCentreville, IL 622071134546690
  5. Warren Fournier, MDFairview Heights, IL 622081992770580
  6. Randy Jung, M.D.Belleville, IL 622201205917176
  7. Jacqueline Aregood, MDBelleville, IL 622231154302115
  8. Jeffrey Chalfant, DOBelleville, IL 622231811935166

Common questions

What is Christopher Vaughan Johnson, MD's NPI number?

Christopher Vaughan Johnson, MD's National Provider Identifier (NPI) is 1205975448, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Vaughan Johnson, MD located?

The NPPES record lists a practice address at 100 N 8TH St, East Saint Louis, IL, 62201. Phone: (618) 271-0130. Providers update this record themselves, so call before visiting.

How can I verify Christopher Vaughan Johnson, MD's license?

NPPES lists Illinois license number 036.125045, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Vaughan Johnson, MD prescribe under Medicare Part D?

In 2024, Christopher Vaughan Johnson, MD had 4,803 Medicare Part D claims for 249 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.