Dr. John Nichalos Kamphaus, MD
- Medicare services, 2024
- 294
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 782
- Industry payments
- $1,215
- Affiliated sites
- 1
- Practice address
- 1211 W 22nd St, Oak Brook, IL 60523
- Practice phone
- Call (469) 854-3263
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Geode Health of Texas
Oak Brook, Illinois
Find Dr. Kamphaus' 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 Nichalos Kamphaus is a psychiatrist in Oak Brook, Illinois
Dr. Kamphaus practices at Geode Health of Texas in Oak Brook, Illinois.
Dr. Kamphaus' NPI, 1013924257, was assigned on August 1, 2006. Dr. Kamphaus graduated from OU College of Medicine in 1985. Dr. Kamphaus holds Texas license H1717.
- NPI
- 1013924257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830411206
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (469) 854-3263
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Nichalos Kamphaus practices at Geode Health of Texas in Oak Brook, Illinois
Dr. Kamphaus' primary practice is Geode Health of Texas, at 1211 W 22nd St, Oak Brook, IL 60523 in Dupage County. The practice phone is (469) 854-3263.
- Geode Health of Texas1211 W 22nd St, Oak Brook, IL 60523 · Dupage CountyPhone(469) 854-3263
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Nichalos Kamphaus is affiliated with 2 sites of care and 2 medical groups
Dr. Kamphaus' primary practice is Geode Health of Texas in Oak Brook, Illinois. The medical group on file is Geode Health. Dmand AI also links Dr. Kamphaus to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Nichalos Kamphaus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kamphaus practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geode Health of Texas | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Nichalos Kamphaus is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Kamphaus' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Kamphaus is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Kamphaus is licensed in Texas.
Specialties and state licenses
- Psychiatry, TexasPrimary
Clinical focus
Dmand AI lists anxiety, bipolar disorder and depression among the conditions Dr. Kamphaus treats.
Psychiatrists near Dr. Kamphaus
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 Nichalos Kamphaus billed Medicare for 294 services in 2024
CMS data shows 294 Medicare services from Dr. Kamphaus across 5 procedure codes in 2024, for 43 Medicare patients. Medicare paid $20,173 for them. Every service was in an office.
Dr. Kamphaus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 272024: 154470%
- Office and hospital visits
- 2023: 342024: 140312%
Dr. Kamphaus compared with the Illinois median for psychiatrists, 2024
- Dr. Kamphaus
- Illinois median
- Medicare services
- 294vs 20345% above
- Medicare patients
- 43vs 6332% below
- Part D claims
- 687vs 1743.9 times
Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.
Dr. Kamphaus' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kamphaus?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kamphaus and other psychiatrists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Nichalos Kamphaus treated 43 Medicare patients in 2024, average age 71
CMS counts 43 Medicare patients who saw Dr. Kamphaus in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have depression, and 75% have high blood pressure. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kamphaus' median patient age at 40, with 60% women.
Dr. Kamphaus' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kamphaus' Medicare patients by sex, 2024
- Women2763%
- Men1637%
Chronic conditions among Dr. Kamphaus' Medicare patients, 2024
- Depression75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Anxiety65%
- Arthritis40%
- Bipolar disorder35%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kamphaus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Nichalos Kamphaus wrote 782 Medicare Part D claims in 2024
In 2024, Dr. Kamphaus wrote 782 Medicare Part D claims for 84 patients. 95% of them were for generic drugs. CMS names the drug for 687 of them, across 22 drugs with 11 or more claims each, at $40,601 in total drug cost. In 2023, CMS named 214 claims across 11 drugs.
Dr. Kamphaus' Part D claims by kind of drug, 2024
- Generic741 claims95%
- Brand-name41 claims5%
Dr. Kamphaus' 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. Kamphaus' Part D claims, 2024
- Antipsychotics, patients 65 and over10%79 of 782 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: 2142024: 687221%
Drugs named by CMS: 22 in 2024, 11 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
Dr. John Nichalos Kamphaus offers telehealth to Medicare patients
Dr. Kamphaus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kamphaus as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Nichalos Kamphaus received $1,215 in industry payments from 2017 to 2025
CMS Open Payments shows 75 general payments to Dr. Kamphaus from 16 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $485.
General payments to Dr. Kamphaus by program year, 2017 to 2025
Companies that paid Dr. Kamphaus the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Nichalos Kamphaus graduated from OU College of Medicine
Dr. Kamphaus graduated from OU College of Medicine in 1985. Dr. Kamphaus is a member of American Psychoanalytic Association - APsaA and TMA.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. John Nichalos Kamphaus accepts plans from 13 insurance carriers
Dr. Kamphaus is in network with 13 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Cigna
- Humana
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
- +5 more carriersWith a free account
Plan types Dr. Kamphaus accepts, by number of carriers
- PPO10
- Medicare9
- HMO6
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Nichalos Kamphaus'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Nichalos Kamphaus
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 Nichalos Kamphaus' NPI number?
Dr. John Nichalos Kamphaus' NPI number is 1013924257. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Nichalos Kamphaus?
Dr. John Nichalos Kamphaus is a psychiatrist in Oak Brook, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Nichalos Kamphaus practice?
Dr. Kamphaus practices at 1211 W 22nd St, Oak Brook, IL 60523. Dr. Kamphaus' primary practice is Geode Health of Texas in Oak Brook, Illinois. Dmand AI also links Dr. Kamphaus to 1 group practice or clinic and 1 medical group.
What is Dr. John Nichalos Kamphaus' office phone number?
The practice phone on file for Dr. Kamphaus is (469) 854-3263.
What is Dr. John Nichalos Kamphaus' medical license number?
Dr. Kamphaus holds Texas license H1717.
What medical group is Dr. John Nichalos Kamphaus part of?
Dr. Kamphaus is linked to Geode Health. Dmand AI links Dr. Kamphaus to 1 more medical group.
Does Dr. John Nichalos Kamphaus accept Medicare?
Yes. CMS data shows Dr. Kamphaus billed Medicare for 294 services in 2024, and Dr. Kamphaus accepts Medicare assignment.
Does Dr. John Nichalos Kamphaus offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kamphaus as offering telehealth services.
How many Medicare patients does Dr. John Nichalos Kamphaus see?
CMS counts 43 Medicare patients who saw Dr. Kamphaus in 2024, with an average age of 71.
Is Dr. John Nichalos Kamphaus board certified?
Yes. Dr. Kamphaus is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Show 6 more questionsShow fewer questions
What services does Dr. John Nichalos Kamphaus bill to Medicare?
In 2024, Dr. Kamphaus' most billed Medicare services were office visit, established patient (99213), psychiatric service (90833) and psychiatric service (90836).
Where did Dr. John Nichalos Kamphaus go to medical school?
Dr. Kamphaus graduated from OU College of Medicine in 1985.
What drugs does Dr. John Nichalos Kamphaus prescribe most?
In 2024 Medicare Part D data, Dr. Kamphaus' most prescribed drugs by claims were Lamotrigine, Venlafaxine HCl ER and Bupropion XL.
Has Dr. John Nichalos Kamphaus received payments from drug or device companies?
CMS Open Payments shows $1,215 in general payments to Dr. Kamphaus from 16 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. John Nichalos Kamphaus been practicing?
Dr. Kamphaus graduated from medical school in 1985, 41 years ago.
What insurance does Dr. John Nichalos Kamphaus accept?
Dr. Kamphaus is in network with 13 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to psychiatry practices?
See psychiatrists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card