MR. KARSTEN MICHELLO V. GARDUCE SR. FNP
NPI 1437775418
Nurse Practitioner - Family in Walnut Creek, CA
About Mr. Karsten Michello V. Garduce Sr. Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. KARSTEN MICHELLO V. GARDUCE SR. FNP (NPI 1437775418) is an individual family provider in Walnut Creek, California, licensed in California (95010860) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in American Canyon, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Mr. Karsten Michello V. Garduce Sr. Fnp 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
3Medicare enrollment records show Karsten Michello Garduce reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Benicia, CA 94510
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Riverside, CA 92501
- Reassigned Medicare billing, California enrollment
- 82 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
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 Karsten Michello Garduce's NPI number?
The NPI number for Karsten Michello Garduce is 1437775418. It was assigned to this individual provider in the NPPES registry on June 25, 2020.
Where is Karsten Michello Garduce located?
Karsten Michello Garduce practices at 738 Bancroft Rd, Walnut Creek, CA 94598. The listed phone number is (925) 932-0321.
What is Karsten Michello Garduce's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karsten Michello Garduce enrolled in Medicare?
Yes. Karsten Michello Garduce 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 Karsten Michello Garduce's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karsten Michello Garduce reassigns Medicare benefits to 3 organizations: Urgent Care Plus Telehealth Inc (Benicia, CA), Napa Integrated Medicine PC (Napa, CA) and Nightingale Clinical Care, PC (Riverside, 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 Karsten Michello Garduce'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 Karsten Michello Garduce was last updated on March 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.