DR. CLAUDE WINCHESTER HAMILTON (M.D.) – Internal Medicine Physician, NPI 1518074087
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 DR. CLAUDE WINCHESTER HAMILTON (M.D.)
1400, Renaissance Drive, Park Ridge, Maine Township, Cook County, Illinois, 60068, United States
SUITE 216
PARK RIDGE, IL 600681329
Phone: (224) 938-9264
Fax: (224) 938-9266
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: 2004-02-19
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 |
|---|---|---|---|---|
| I20040219000227 | I | Neurology | 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 |
|---|---|---|---|---|
| G0179 | Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 479 | 184 | $0 |
| G0181 | Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 445 | 61 | $0 |
| 99350 | Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 395 | 121 | $0 |
| 99349 | Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 210 | 84 | $0 |
| G0180 | Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 207 | 182 | $0 |
Insurance plans in this area (ZIP 60068)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| - | IL | |
| Physician Assistant | IL |
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