TESSIE M GUIEB NP
NPI 1518010628
Nurse Practitioner - Family in Vallejo, CA
About Tessie M Guieb Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TESSIE M GUIEB NP (NPI 1518010628) is an individual family provider in Vallejo, California, licensed in California (NP13963) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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
Tessie M Guieb Np 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 Reassignment
Medicare enrollment records show Tessie Guieb reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 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 94589 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.
VALLEJO, CA 94589
VALLEJO, CA 94589
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 Tessie Guieb's NPI number?
The NPI number for Tessie Guieb is 1518010628. It was assigned to this individual provider in the NPPES registry on January 19, 2007.
Where is Tessie Guieb located?
Tessie Guieb practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1031.
What is Tessie Guieb's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tessie Guieb enrolled in Medicare?
Yes. Tessie Guieb 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 organization bills Medicare for Tessie Guieb's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tessie Guieb reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). The 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 Tessie Guieb'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 Tessie Guieb was last updated on January 3, 2022. 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.