CLAUDE HAMILTON
NPI 1417885443
Internal Medicine in Palatine, IL
About Claude Hamilton NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAUDE HAMILTON (NPI 1417885443) is a healthcare organization registered as an internal medicine in Palatine, Illinois and active in the NPI registry since May 2026. The organization lists Wasim Rizvi, Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Claude Hamilton is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Claude Hamilton, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Claude Hamilton's NPI number?
The NPI number for Claude Hamilton is 1417885443. It was assigned to this organization in the NPPES registry on May 11, 2026.
Where is Claude Hamilton located?
Claude Hamilton is located at 25 E Helen Rd, Palatine, IL 60067. The listed phone number is (847) 529-8303.
What is Claude Hamilton's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Claude Hamilton enrolled in Medicare?
Yes. Claude Hamilton is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Claude Hamilton?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Claude Hamilton, in Neurology and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Claude Hamilton was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Claude Hamilton · NPI 1417885443
Internal Medicine organization in Palatine, Illinois. Organization record, active in the CMS NPPES registry since May 11, 2026.
## Identity
- **NPI:** 1417885443 (Entity type: Organization)
- **Enumerated:** May 11, 2026
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Wasim Rizvi, MANAGER
## Practice location
- **Address:** 25 E HELEN RD, Palatine, IL 60067-6918
- **Phone:** (847) 529-8303
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Neurology (1), Nurse Practitioner (1) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1417885443) · Data from the CMS NPPES public registry.