DR. ROBERT I WEISMAN (M.D.) – Colon & Rectal Surgery Physician, NPI 1619901295
Colon & Rectal Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
124 COLORECTAL SURGERY (PROCTOLOGY) in IL
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Provider Addresses for DR. ROBERT I WEISMAN (M.D.)
Dempster Street, Buffalo, Erie County, New York, 14206, United States
SUITE 280
PARK RIDGE, IL 600681186
Phone: (847) 318-9071
Fax: (847) 318-2535
Mailing address matches the actual address.
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: 2010-01-18
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 |
|---|---|---|---|---|
| I20100118000060 | I | Colorectal Surgery (Proctology) | 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 |
|---|---|---|---|---|
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 126 | 126 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 102 | 72 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 66 | 65 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 36 | 36 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 29 | 23 | $0 |
Insurance plans in this area (ZIP 60068)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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