Dr. Christopher William Nau, MD
- Medicare services, 2024
- 689
- Medicare patients, 2024
- 311
- Part D claims, 2024
- 7,595
- Hospital affiliations
- 4
- Medical groups
- 2
- Practice address
- 530 NE Glen Oak Ave, Peoria, IL 61603
- Practice phone
- Call (309) 655-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OSF St Francis Medical Center & Children's Hospital of Illinois
Peoria, Illinois
Find Dr. Nau's 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. Christopher William Nau is an internist in Peoria, Illinois
Dr. Nau practices at OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois.
Dr. Nau's NPI, 1104023092, was assigned on July 2, 2007. Dr. Nau graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2007. Dr. Nau holds Illinois license 036125692.
- NPI
- 1104023092NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103084926
- NPI enumeration date
- July 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (309) 655-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher William Nau practices at OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois
Dr. Nau's primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois, at 530 NE Glen Oak Ave, Peoria, IL 61603 in Peoria County. The practice phone is (309) 655-2000.
- OSF St Francis Medical Center & Children's Hospital of Illinois530 NE Glen Oak Ave, Peoria, IL 61603 · Peoria CountyPhone(309) 655-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher William Nau is affiliated with 10 sites of care and 2 medical groups
Dr. Nau's primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois. Dr. Nau is also affiliated with OSF Saint Francis Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Nau to 3 more hospitals, 3 home health agencies, 1 community health center, 1 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. Christopher William Nau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nau practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF St Francis Medical Center & Children's Hospital of Illinois | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher William Nau is one of 5,652 internists in Illinois
Internal medicine is Dr. Nau's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nau is board certified in internal medicine by the American Board of Internal Medicine. Dr. Nau is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Nau
Counts of internists 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. Christopher William Nau billed Medicare for 689 services in 2024
CMS data shows 689 Medicare services from Dr. Nau across 12 procedure codes in 2024, for 311 Medicare patients. Medicare paid $49,079 for them. Every service was in an office.
Dr. Nau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5132024: 45412%
- Other services
- 2023: 1152024: 13215%
- Tests and treatments
- 2023: 1282024: 10320%
- Surgery
- 2023: 2182024: 0100%
Dr. Nau compared with the Illinois median for internists, 2024
- Dr. Nau
- Illinois median
- Medicare services
- 689vs 56622% above
- Medicare patients
- 311vs 20850% above
- Part D claims
- 6,910vs 28424.3 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Nau's 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nau and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher William Nau treated 311 Medicare patients in 2024, average age 74
CMS counts 311 Medicare patients who saw Dr. Nau in 2024. The largest group is 65 to 74, with 151 patients. 73% of them have high blood pressure, and 70% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nau's median patient age at 65, with 52% women.
Dr. Nau's Medicare patients by age, 2024
Dr. Nau's Medicare patients by sex, 2024
- Women15550%
- Men15650%
Chronic conditions among Dr. Nau's Medicare patients, 2024
- High blood pressure73%
- High cholesterol70%
- Arthritis35%
- Diabetes30%
- Chronic kidney disease23%
- Ischemic heart disease23%
- Anxiety22%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher William Nau wrote 7,595 Medicare Part D claims in 2024
In 2024, Dr. Nau wrote 7,595 Medicare Part D claims for 742 patients. 89% of them were for generic drugs. CMS names the drug for 6,910 of them, across 129 drugs with 11 or more claims each, at $447,560 in total drug cost. In 2023, CMS named 6,886 claims across 129 drugs.
Dr. Nau's Part D claims by kind of drug, 2024
- Generic6,773 claims89%
- Brand-name777 claims10%
- Other45 claims1%
Dr. Nau'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. Nau's Part D claims, 2024
- Opioids7%501 of 7,595 claims
- Antibiotics2%123 of 7,595 claims
- Antipsychotics, patients 65 and over0%16 of 7,595 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: 6,8862024: 6,910No change
Drugs named by CMS: 129 in 2024, 129 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. Christopher William Nau offers telehealth to Medicare patients
Dr. Nau accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nau as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher William Nau graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Nau graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2007.
- Medical school
- Board certified in internal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher William Nau'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) |
| 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 William Nau
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 William Nau's NPI number?
Dr. Christopher William Nau's NPI number is 1104023092. It was assigned on July 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher William Nau?
Dr. Christopher William Nau is an internist in Peoria, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher William Nau practice?
Dr. Nau practices at 530 NE Glen Oak Ave, Peoria, IL 61603. Dr. Nau's primary practice is OSF St Francis Medical Center & Children's Hospital of Illinois in Peoria, Illinois. Dmand AI also links Dr. Nau to 3 hospitals, 3 home health agencies, 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Christopher William Nau's office phone number?
The practice phone on file for Dr. Nau is (309) 655-2000.
What is Dr. Christopher William Nau's medical license number?
Dr. Nau holds Illinois license 036125692.
Which hospitals is Dr. Christopher William Nau affiliated with?
Dr. Nau is affiliated with OSF Saint Francis Medical Center. Dmand AI links Dr. Nau to 3 more hospitals.
What medical group is Dr. Christopher William Nau part of?
Dr. Nau is linked to OSF Multi-Specialty Group. Dmand AI links Dr. Nau to 1 more medical group.
Does Dr. Christopher William Nau accept Medicare?
Yes. CMS data shows Dr. Nau billed Medicare for 689 services in 2024, and Dr. Nau accepts Medicare assignment.
Does Dr. Christopher William Nau offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nau as offering telehealth services.
How many Medicare patients does Dr. Christopher William Nau see?
CMS counts 311 Medicare patients who saw Dr. Nau in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
Is Dr. Christopher William Nau board certified?
Yes. Dr. Nau is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Christopher William Nau bill to Medicare?
In 2024, Dr. Nau's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0008).
Where did Dr. Christopher William Nau go to medical school?
Dr. Nau graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2007.
What drugs does Dr. Christopher William Nau prescribe most?
In 2024 Medicare Part D data, Dr. Nau's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Amlodipine Besylate.
How long has Dr. Christopher William Nau been practicing?
Dr. Nau graduated from medical school in 2007, 19 years ago.
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