Neuroophthalmology
Dr. Christopher Vaughan Johnson, MD
NPI1205975448PAC ID3870780588
- Medicare services, 2019
- 173
- Part D claims, 2024
- 4,803
- Publications
- 1
- Industry payments
- $5,691
- Affiliated sites
- 3
- Practice address
- 100 North 8th St, East Saint Louis, IL 62201
- Practice phone
- Call (618) 274-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SIHF Healthcare - Windsor Health Center
FQHC - Main Site · East Saint Louis, Illinois
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Christopher Vaughan Johnson is a psychiatrist in East Saint Louis, Illinois
Dr. Johnson practices at SIHF Healthcare - Windsor Health Center in East Saint Louis, Illinois.
Dr. Johnson's NPI, 1205975448, was assigned on February 5, 2007. Dr. Johnson graduated from University of Kansas School of Med (KC/Wich/Sal) in 2005. Dr. Johnson holds Illinois license 036.125045.
NPI and contact details
- NPI
- 1205975448NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870780588
- NPI enumeration date
- February 5, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 274-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Vaughan Johnson practices at SIHF Healthcare - Windsor Health Center in East Saint Louis, Illinois
Dr. Johnson's primary practice is SIHF Healthcare - Windsor Health Center, at 100 North 8th St, East Saint Louis, IL 62201 in St. Clair County. The practice phone is (618) 274-9100.
- SIHF Healthcare - Windsor Health Center100 North 8th St, East Saint Louis, IL 62201 · St. Clair CountyPhone(618) 274-9100
Source: Dmand AI Affiliation Data
Dr. Christopher Vaughan Johnson is affiliated with 3 sites of care and 2 medical groups
Dr. Johnson's primary practice is SIHF Healthcare - Windsor Health Center in East Saint Louis, Illinois. The medical group on file is SIHF Healthcare. Dmand AI also links Dr. Johnson to 1 more community health center, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Johnson's employer is on file too: a community health center (fqhc).
SIHF Healthcare - Windsor Health CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Vaughan Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SIHF Healthcare - Windsor Health Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Vaughan Johnson is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Johnson's licenses on file in 2 states: Illinois and Oklahoma.
Specialties and state licenses
- Psychiatry, IllinoisPrimary
- Family medicine, Oklahoma
Psychiatrists near Dr. Johnson
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
1,527psychiatrists in Illinois
4psychiatrists in East Saint Louis
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher Vaughan Johnson billed Medicare for 173 services in 2019
CMS data shows 173 Medicare services from Dr. Johnson across 3 procedure codes in 2019. Medicare paid $10,605 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2019173
Paid by Medicare$10,605
Procedure codes3
Dr. Johnson's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 2202019: 17321%
Dr. Johnson compared with the Illinois median for psychiatrists, 2019
- Dr. Johnson
- Illinois median
- Medicare services
- 173vs 20315% below
- Part D claims
- 4,700vs 17427.0 times
Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other psychiatrists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Vaughan Johnson's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 52, with 51% 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 52
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Christopher Vaughan Johnson wrote 4,803 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 4,803 Medicare Part D claims for 249 patients. 95% of them were for generic drugs. CMS names the drug for 4,700 of them, across 52 drugs with 11 or more claims each, at $878,603 in total drug cost. In 2023, CMS named 4,831 claims across 55 drugs.
Part D claims, 20244,803
Drugs named by CMS52
Total drug cost$878,603
Part D patients249
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic4,552 claims95%
- Brand-name251 claims5%
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
- Antipsychotics, patients 65 and over6%296 of 4,803 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,8312024: 4,7003%
Drugs named by CMS: 52 in 2024, 55 in 2023.
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. Christopher Vaughan 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. Christopher Vaughan Johnson has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson in 2019. Dr. Johnson's most frequent co-authors are Larissa Kadar Ghadiali, MD and Veena Rao Raiji, MD, MPH.
Papers1
Dr. Johnson's most frequent co-authors
Recent publications by Dr. Johnson
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher Vaughan Johnson received $5,691 in industry payments from 2016 to 2025
CMS Open Payments shows 406 general payments to Dr. Johnson from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,327.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
$5.7Kin total
- Food and beverage$5,65499%
- Education$371%
Companies that paid Dr. Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Vaughan Johnson graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Johnson graduated from University of Kansas School of Med (KC/Wich/Sal) in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Vaughan 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Christopher Vaughan 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. Christopher Vaughan Johnson's NPI number?
Dr. Christopher Vaughan Johnson's NPI number is 1205975448. It was assigned on February 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Vaughan Johnson?
Dr. Christopher Vaughan Johnson is a psychiatrist in East Saint Louis, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Christopher Vaughan Johnson practice?
Dr. Johnson practices at 100 North 8th St, East Saint Louis, IL 62201. Dr. Johnson's primary practice is SIHF Healthcare - Windsor Health Center in East Saint Louis, Illinois. Dmand AI also links Dr. Johnson to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Christopher Vaughan Johnson's office phone number?
The practice phone on file for Dr. Johnson is (618) 274-9100.
What is Dr. Christopher Vaughan Johnson's medical license number?
Dr. Johnson holds Illinois license 036.125045, one of the licenses on file in 2 states.
Which states has Dr. Christopher Vaughan Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in Illinois and Oklahoma.
What medical group is Dr. Christopher Vaughan Johnson part of?
Dr. Johnson is linked to SIHF Healthcare. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Christopher Vaughan Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 173 services in 2019, and Dr. Johnson accepts Medicare assignment.
What services does Dr. Christopher Vaughan Johnson bill to Medicare?
In 2019, Dr. Johnson's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and hospital inpatient care (99238).
Where did Dr. Christopher Vaughan Johnson go to medical school?
Dr. Johnson graduated from University of Kansas School of Med (KC/Wich/Sal) in 2005.
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What drugs does Dr. Christopher Vaughan Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Sertraline HCl, Risperidone and Trazodone HCl.
Has Dr. Christopher Vaughan Johnson received payments from drug or device companies?
CMS Open Payments shows $5,691 in general payments to Dr. Johnson from 20 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Christopher Vaughan Johnson been practicing?
Dr. Johnson graduated from medical school in 2005, 21 years ago.
Does Dr. Christopher Vaughan Johnson do research?
Dmand AI links 1 publication to Dr. Johnson.
Who does Dr. Christopher Vaughan Johnson publish with?
Dr. Johnson's most frequent co-authors are Larissa Kadar Ghadiali, MD (1 shared paper) and Veena Rao Raiji, MD, MPH (1 shared paper).
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