DR. VALERI DANA WALKER M.D.
NPI 1790985331
Anesthesiology in Los Angeles, CA
About Dr. Valeri Dana Walker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VALERI DANA WALKER M.D. (NPI 1790985331) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A95305) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (2004).
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
Dr. Valeri Dana Walker 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 Reassignments
3Medicare enrollment records show Valeri Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 99 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Thousand Oaks, CA 91320
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Alexander P Hersel MD Inc
- 18 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 12
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Valeri Walker's NPI number?
The NPI number for Valeri Walker is 1790985331. It was assigned to this individual provider in the NPPES registry on July 23, 2007.
Where is Valeri Walker located?
Valeri Walker practices at 757 Westwood Plaza Ronald Reagan Ucla Medical Center, Los Angeles, CA 90095. The listed phone number is (310) 267-8655.
What is Valeri Walker's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Valeri Walker enrolled in Medicare?
Yes. Valeri Walker 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 Valeri Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Valeri Walker reassigns Medicare benefits to 3 organizations: Advanced Anesthesia Specialists A Medical Corporation (West Hills, CA), Conejo Los Robles Anesthesiology Medical Group, Inc. (Thousand Oaks, CA) and Alexander P. Hersel, M.D., Inc (Thousand Oaks, 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 Valeri Walker'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 Valeri Walker was last updated on March 19, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Valeri Dana Walker, M.D. · NPI 1790985331
Anesthesiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 23, 2007.
## Identity
- **NPI:** 1790985331 (Entity type: Individual)
- **Enumerated:** July 23, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A95305 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 757 WESTWOOD PLAZA, RONALD REAGAN UCLA MEDICAL CENTER, Los Angeles, CA 90095-0001
- **Phone:** (310) 267-8655 · **Fax:** (310) 267-3766
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Advanced Anesthesia Specialists A Medical Corporation (NPI 1871733600, West Hills, CA); Conejo Los Robles Anesthesiology Medical Group, Inc. (NPI 1821171729, Thousand Oaks, CA); Alexander P. Hersel, M.D., Inc (NPI 1063511475, Thousand Oaks, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2004
## Record status
- **NPPES last updated:** March 19, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1790985331) · Data from the CMS NPPES public registry.