DR. KIRSTEN ACKER PSYD
NPI 1235346156
Psychologist in Oakland, CA
About Dr. Kirsten Acker Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KIRSTEN ACKER PSYD (NPI 1235346156) is an individual psychologist in Oakland, California, licensed in California (PSY26425) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Kirsten Acker Psyd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kirsten Acker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 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.
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.
OAKLAND, CA 94601
OAKLAND, CA 94601
OAKLAND, CA 94601
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 Kirsten Acker's NPI number?
The NPI number for Kirsten Acker is 1235346156. It was assigned to this individual provider in the NPPES registry on May 17, 2007.
Where is Kirsten Acker located?
Kirsten Acker practices at 3301 E 12th St Suite 259, Oakland, CA 94601. The listed phone number is (510) 269-9030.
What is Kirsten Acker's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Kirsten Acker enrolled in Medicare?
Yes. Kirsten Acker is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kirsten Acker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kirsten Acker reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, 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 Kirsten Acker'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 Kirsten Acker was last updated on February 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.