ROBERT GELLER (MD) – Infectious Disease Physician, NPI 1013983212
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
475 INFECTIOUS DISEASE in IL
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Provider Addresses for ROBERT GELLER (MD)
West Exchange Street, Freeport, Stephenson County, Illinois, 61032, United States
PO BOX 268
FREEPORT, IL 610324030
Phone: (815) 599-7958
Type: Mailing
Fairway Drive, Freeport, Stephenson County, Illinois, 61032, United States
FREEPORT, IL 610326600
Phone: (815) 599-6000
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: 2008-07-28
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 |
|---|---|---|---|---|
| I20080728000741 | I | Infectious Disease | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 422 | 254 | $0 |
| G0008 | Administration of influenza virus vaccine | 228 | 228 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 221 | 221 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 146 | 78 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 139 | 81 | $0 |
Insurance plans in this area (ZIP 61032)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INFECTIOUS DISEASE | IL | 73630 | X-ray of foot, minimum of 3 views | 12 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology | IL | |
| Family Practice | IL | |
| - | DE | |
| Family Practice | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| - | IL | |
| Family Practice | IL | |
| Orthopedic Surgery | IL | |
| Family Practice | IL | |
| General Surgery | IL |
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