Record summary
Ryszard Jerzy Chetkowski appears in the HHS-OIG List of Excluded Individuals/Entities (LEIE) public dataset as an individual record associated with Walnut Creek, California. The latest imported LEIE dataset lists this record as currently excluded from participation in federally funded health care programs. The exclusion date shown in the source record is June 19, 2025, and the exclusion type is 1128b4, identified by HHS-OIG as license revocation, suspension, or surrender.
Source record
What this exclusion type means
HHS-OIG identifies exclusion type 1128b4 as “License revocation, suspension, or surrender.” License revocation, suspension, or surrender (permissive exclusion).
This exclusion type is a statutory category used by HHS-OIG in the LEIE dataset. The category describes the legal authority associated with the exclusion record, not a separate investigation or additional reporting by Excluded Provider.
Location and provider classification
This LEIE record is associated with Walnut Creek, CA 94595. The listed provider category is Physician (MD, DO). The listed specialty is OB/GYN.
NPI Registry context
The LEIE record lists NPI 1992883011. CMS NPPES public registry data lists this NPI as an individual record with primary taxonomy Obstetrics & Gynecology, Reproductive Endocrinology (207VE0102X). Registered practice location: Berkeley, CA. NPI enumeration date: Nov 2, 2006. NPPES status: Active. The NPI Registry lists credential: M.D..
NPI Registry data is administrative provider-identification data from CMS. It does not independently verify or explain the HHS-OIG exclusion record above. Verify exclusion status directly with HHS-OIG.
Other excluded providers in Walnut Creek, CA
Other individuals and entities currently listed in the HHS-OIG LEIE public dataset with a Walnut Creek, CA address.
See all 23 excluded providers in Walnut Creek →
How to verify this record
This page is a public-record summary and should be treated as a possible LEIE match, not final identity verification. To verify the record, use the official HHS-OIG LEIE search and compare available identifying information through the official process. Name, location, provider category, specialty, exclusion date, and NPI should be treated as matching clues rather than final proof of identity.
What this page does not include
This page summarizes the HHS-OIG LEIE public dataset only. It does not search state Medicaid exclusion lists, state licensing-board actions, court records, malpractice records, employment history, civil lawsuits, or non-public investigations.
Verify with HHS-OIG Remove / correct this record