DR. ELLEN LEE D.O
NPI 1306293824
Anesthesiology in Lakewood, CA
About Dr. Ellen Lee D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELLEN LEE D.O (NPI 1306293824) is an individual anesthesiology provider in Lakewood, California, licensed in California (18971) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Houston, and is a graduate of Western Un Of Hlth Sciences, Col Of Podiatric Med (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Ellen Lee D.o 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 Ellen Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 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 6
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.
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 Ellen Lee's NPI number?
The NPI number for Ellen Lee is 1306293824. It was assigned to this individual provider in the NPPES registry on May 16, 2016.
Where is Ellen Lee located?
Ellen Lee practices at 3700 South St, Lakewood, CA 90712. The listed phone number is (562) 531-2550.
What is Ellen Lee's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ellen Lee enrolled in Medicare?
Yes. Ellen Lee 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 Ellen Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Lee reassigns Medicare benefits to Orange Coast Anesthesia Inc (Orange, 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 Ellen Lee'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 Ellen Lee was last updated on August 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.