RUTH ANN ACKERMANN M.D.
NPI 1336175082
Anesthesiology in Torrance, CA
About Ruth Ann Ackermann M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH ANN ACKERMANN M.D. (NPI 1336175082) is an individual anesthesiology provider in Torrance, California, licensed in California (A46287) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1987).
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
Ruth Ann Ackermann M.d. 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 Ruth Ackermann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Torrance, CA 90501
- Reassigned Medicare billing, California enrollment
- 12 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 7
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.
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.
TORRANCE, CA 90505
TORRANCE, CA 90505
TORRANCE, CA 90505
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 Ruth Ackermann's NPI number?
The NPI number for Ruth Ackermann is 1336175082. It was assigned to this individual provider in the NPPES registry on June 24, 2006.
Where is Ruth Ackermann located?
Ruth Ackermann practices at 3445 Pacific Coast Hwy Suite #110, Torrance, CA 90505. The listed phone number is (310) 325-4555.
What is Ruth Ackermann's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ruth Ackermann enrolled in Medicare?
Yes. Ruth Ackermann 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 Ruth Ackermann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Ackermann reassigns Medicare benefits to Perioperative Anesthesia Consultants (Torrance, 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 Ruth Ackermann'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 Ruth Ackermann was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.