MR. RICHARD D CLARK RN ARNP CRNA
NPI 1659355121
Nurse Anesthetist, Certified Registered in Lansing, IL
About Mr. Richard D Clark Rn Arnp Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. RICHARD D CLARK RN ARNP CRNA (NPI 1659355121) is an individual nurse anesthetist, certified registered in Lansing, Illinois, licensed in Illinois (09.006191) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 18
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Richard D Clark Rn Arnp Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Richard Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 39 clinicians in this Medicare group
Elgin, IL 60123
- Reassigned Medicare billing, Illinois enrollment
- 235 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60438 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LANSING, IL 60438
LANSING, IL 60438
LANSING, IL 60438
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 Richard Clark's NPI number?
The NPI number for Richard Clark is 1659355121. It was assigned to this individual provider in the NPPES registry on November 30, 2005.
Where is Richard Clark located?
Richard Clark practices at 18221 Torrence Ave, Lansing, IL 60438. The listed phone number is (708) 895-9450.
What is Richard Clark's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Richard Clark enrolled in Medicare?
Yes. Richard Clark is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Richard Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Clark reassigns Medicare benefits to 2 organizations: Ambulatory Anesthesiologists Of Chicago, LLC (Chicago, IL) and Illinois Gastroenterology Group, LLC (Elgin, IL). Each 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 Richard Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Richard Clark was last updated on May 21, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.