CHRISTOPHER WILLIAM NAU (MD) – Internal Medicine Physician, NPI 1104023092
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
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Provider Addresses for CHRISTOPHER WILLIAM NAU (MD)
605 N ASHLAND AVE
WEST PEORIA, IL 616044901
Phone: (309) 636-7128
Type: Mailing
Saint Francis Medical Center, 530, Northeast Glen Oak Avenue, Peoria, Peoria County, Illinois, 61637, United States
PEORIA, IL 616033133
Phone: (309) 655-3000
Type: Location
530 NE Glen Oak Ave
Peoria, IL 616033133
Phone: (309) 655-3000
Type: Location
311 N 4TH ST
CHILLICOTHE, IL 615232059
Phone: (309) 274-4336
Fax: (309) 274-3120
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-02-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120225000084 | I | Internal Medicine | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 372 | 209 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 218 | 164 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 111 | 83 | $0 |
| G0008 | Administration of influenza virus vaccine | 83 | 82 | $0 |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 78 | 78 | $0 |
Insurance plans in this area (ZIP 61604)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | IL | 90670 | Pneumococcal vaccine for injection into muscle | 41 | 41 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | IL | |
| P O D I A T R Y | IL | |
| Nurse Practitioner | NC | |
| Internal Medicine, Pediatric Medicine | IL | |
| Internal Medicine, Pediatric Medicine | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Nurse Practitioner | IL | |
| Internal Medicine | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL |
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