Dr. John Christopher Charles, MD
- Medicare services, 2021
- 436
- Part D claims, 2022
- 107
- Industry payments
- $1,076
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 724 Denton St, La Crosse, WI 54601
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
East Building - Radiation Oncology - HOPD
Acute Care Hospital outpatient department · La Crosse, Wisconsin
Find Dr. Charles' 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 Christopher Charles is a psychiatrist in La Crosse, Wisconsin
Dr. Charles practices at East Building - Radiation Oncology - HOPD in La Crosse, Wisconsin.
Dr. Charles' NPI, 1104801877, was assigned on December 14, 2005. Dr. Charles graduated from University of Wisconsin School of Medicine in 1994. Dr. Charles holds Wisconsin license 42023.
- NPI
- 1104801877NPI Registry (opens in a new tab)
- NPI enumeration date
- December 14, 2005
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Christopher Charles practices at East Building - Radiation Oncology - HOPD in La Crosse, Wisconsin
Dr. Charles' primary practice is East Building - Radiation Oncology - HOPD, at 724 Denton St, La Crosse, WI 54601.
- East Building - Radiation Oncology - HOPD724 Denton St, La Crosse, WI 54601
Source: Dmand AI Affiliation Data
Dr. John Christopher Charles is affiliated with 1 site of care
Dr. Charles' primary practice is East Building - Radiation Oncology - HOPD in La Crosse, Wisconsin.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Christopher Charles' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Charles practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East Building - Radiation Oncology - HOPD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Christopher Charles is one of 688 psychiatrists in Wisconsin
Psychiatry is Dr. Charles' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Charles is licensed in Wisconsin.
Specialties and state licenses
- Psychiatry, WisconsinPrimary
Psychiatrists near Dr. Charles
Counts of psychiatrists 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 Christopher Charles billed Medicare for 436 services in 2021
CMS data shows 436 Medicare services from Dr. Charles across 5 procedure codes in 2021. Medicare paid $32,008 for them. Every service was in an office.
Dr. Charles' Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 4622021: 25245%
- Tests and treatments
- 2020: 3682021: 18450%
Dr. Charles compared with the Wisconsin median for psychiatrists, 2021
- Dr. Charles
- Wisconsin median
- Medicare services
- 436vs 1283.4 times
- Part D claims
- 107vs 23254% below
Medians across 753 psychiatrists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Charles' most billed Medicare procedure codes, 2021
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. Charles and other psychiatrists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Christopher Charles' patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Charles' median patient age at 69, with 67% women.
Dr. Charles' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. John Christopher Charles wrote 107 Medicare Part D claims in 2022
In 2022, Dr. Charles wrote 107 Medicare Part D claims. They cover 8 drugs, with $2,984 in total drug cost. In 2021, CMS named 6,530 claims across 83 drugs.
Dr. Charles' most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 6,5302022: 10798%
Drugs named by CMS: 8 in 2022, 83 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Christopher Charles received $1,076 in industry payments from 2016 to 2025
CMS Open Payments shows 30 general payments to Dr. Charles from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $263.
General payments to Dr. Charles by program year, 2016 to 2025
Companies that paid Dr. Charles 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. John Christopher Charles graduated from University of Wisconsin School of Medicine
Dr. Charles graduated from University of Wisconsin School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Christopher Charles'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 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) |
| 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. John Christopher Charles
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 Christopher Charles' NPI number?
Dr. John Christopher Charles' NPI number is 1104801877. It was assigned on December 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Christopher Charles?
Dr. John Christopher Charles is a psychiatrist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Christopher Charles practice?
Dr. Charles practices at 724 Denton St, La Crosse, WI 54601. Dr. Charles' primary practice is East Building - Radiation Oncology - HOPD in La Crosse, Wisconsin.
What is Dr. John Christopher Charles' medical license number?
Dr. Charles holds Wisconsin license 42023.
Does Dr. John Christopher Charles accept Medicare?
Yes. CMS data shows Dr. Charles billed Medicare for 436 services in 2021.
What services does Dr. John Christopher Charles bill to Medicare?
In 2021, Dr. Charles' most billed Medicare services were office visit, established patient (99214), psychiatric service (90833) and psychiatric service (90836).
Where did Dr. John Christopher Charles go to medical school?
Dr. Charles graduated from University of Wisconsin School of Medicine in 1994.
What drugs does Dr. John Christopher Charles prescribe most?
In 2022 Medicare Part D data, Dr. Charles' most prescribed drugs by claims were Clonazepam, Duloxetine HCl and Benztropine Mesylate.
Has Dr. John Christopher Charles received payments from drug or device companies?
CMS Open Payments shows $1,076 in general payments to Dr. Charles from 13 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. John Christopher Charles been practicing?
Dr. Charles graduated from medical school in 1994, 32 years ago.
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