ERIN MCNAMARA MD
NPI 1568819498
Anesthesiology in Thousand Oaks, CA
About Erin Mcnamara Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN MCNAMARA MD (NPI 1568819498) is an individual anesthesiology provider in Thousand Oaks, California, licensed in California (A149292) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Tampa General Hospital Brooksville, and is a graduate of Other (2015).
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 and accepts Medicare assignment
Erin Mcnamara Md 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 Erin Mcnamara reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Santa Maria, CA 93454
- Reassigned Medicare billing, California enrollment
- 29 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 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tampa General Hospital Brooksville
Acute Care Hospitals · Brooksville, FLOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
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 Erin Mcnamara's NPI number?
The NPI number for Erin Mcnamara is 1568819498. It was assigned to this individual provider in the NPPES registry on May 20, 2016.
Where is Erin Mcnamara located?
Erin Mcnamara practices at 215 W Janss Rd, Thousand Oaks, CA 91360. The listed phone number is (805) 497-2727.
What is Erin Mcnamara's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Erin Mcnamara enrolled in Medicare?
Yes. Erin Mcnamara 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 Erin Mcnamara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Mcnamara reassigns Medicare benefits to 2 organizations: Conejo Los Robles Anesthesiology Medical Group, Inc. (Thousand Oaks, CA) and Anesthesia Medical Group Of Santa Maria Inc (Santa Maria, 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 Erin Mcnamara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Erin Mcnamara affiliated with any hospitals?
According to CMS data, Erin Mcnamara is affiliated with Tampa General Hospital Brooksville.
When was this NPI record last updated?
The NPPES record for Erin Mcnamara was last updated on August 18, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.