CHRIS GRUBER (M.D.) – Emergency Medicine Physician, NPI 1093753287
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,845 EMERGENCY MEDICINE in IL
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Provider Addresses for CHRIS GRUBER (M.D.)
2000, Spring Road, Oak Brook, DuPage County, Illinois, 60523, United States
STE 200
OAK BROOK, IL 605231804
Phone: (630) 472-8810
Type: Mailing
Saint Joseph Hospital Elgin, 77, North Airlite Street, Williamsburg Common, Elgin, Elgin Township, Kane County, Illinois, 60123, United States
77 N AIRLITE ST
ELGIN, IL 60523
Phone: (847) 695-3200
Type: Location
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: 2005-11-09
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 |
|---|---|---|---|---|
| I20051109000131 | I | Emergency 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 |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 105 | 101 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 103 | 97 | $0 |
| 99291 | Critical care, first 30-74 minutes | 26 | 26 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 12 | 12 | $0 |
Insurance plans in this area (ZIP 60523)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | OK | |
| Nurse Practitioner | IL | |
| Hematology/Oncology, Hospitalist | IL | |
| Critical Care (Intensivists), Pulmonary Disease | IA | |
| Hospitalist, Family Practice | IL | |
| Infectious Disease | WI | |
| - | IL | |
| Anesthesiology, Critical Care (Intensivists) | WI | |
| Emergency Medicine | IL | |
| Critical Care (Intensivists), Pulmonary Disease | TN |
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