MARIKE I'DELL SEEMANN
NPI 1790807840
Social Worker - Clinical in Oakland, CA
About Marike I'dell Seemann NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIKE I'DELL SEEMANN (NPI 1790807840) is an individual clinical provider in Oakland, California, licensed in California (64676) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Marike I'dell Seemann 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 Marike Seemann reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94607
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
South Lake Tahoe, CA 96150
- Reassigned Medicare billing, California enrollment
- 148 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 94611 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.
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 Marike Seemann's NPI number?
The NPI number for Marike Seemann is 1790807840. It was assigned to this individual provider in the NPPES registry on April 6, 2007.
Where is Marike Seemann located?
Marike Seemann practices at 629 Oakland Ave, Oakland, CA 94611. The listed phone number is (510) 658-9480.
What is Marike Seemann's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Marike Seemann enrolled in Medicare?
Yes. Marike Seemann 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 Marike Seemann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marike Seemann reassigns Medicare benefits to 2 organizations: The West Oakland Health Council (Oakland, CA) and Barton Medical Foundation (South Lake Tahoe, 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 Marike Seemann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marike Seemann accept?
Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Marike Seemann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Marike Seemann was last updated on May 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.