THOMAS C KRECK MD
NPI 1457439200
Internal Medicine - Critical Care Medicine in Clearlake, CA
About Thomas C Kreck Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS C KRECK MD (NPI 1457439200) is an individual critical care medicine provider in Clearlake, California, licensed in California (G86118) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Hayward, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (1990).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thomas C Kreck Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Kreck reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Lodi, CA 95242
- Reassigned Medicare billing, California enrollment
- 221 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 95422 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLEARLAKE, CA 95422
CLEARLAKE, CA 95422
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 Thomas Kreck's NPI number?
The NPI number for Thomas Kreck is 1457439200. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Thomas Kreck located?
Thomas Kreck practices at 15630 18th Ave, Clearlake, CA 95422. The listed phone number is (707) 994-6486.
What is Thomas Kreck's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Thomas Kreck enrolled in Medicare?
Yes. Thomas Kreck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Kreck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Kreck reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Vallejo, CA) and Lodi Memorial Hospital Association Inc (Lodi, CA). 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 Thomas Kreck'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 Thomas Kreck was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.