1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Surgery
  6. NPI Profile

ASHLEY WALTHER M.D.
NPI 1295053437
Surgery - Pediatric Surgery in Los Angeles, CA

Active since May 12, 2010PECOS EnrolledAccepts Medicare Assignment
4650 W SUNSET BLVD # MS 100, LOS ANGELES, CA 90027(323) 361-5541 Get Directions Write a Review

NPPES record last updated: June 25, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ashley Walther M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ASHLEY WALTHER M.D. (NPI 1295053437) is an individual pediatric surgery provider in Los Angeles, California, licensed in California (A149220) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Cincinnati, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2010).

NPPES Registry Identity

NPI1295053437
Entity TypeIndividualFemale
Primary Taxonomy2086S0120X
Provider Legal NameASHLEY WALTHERCredential: M.D.
Location Address4650 W SUNSET BLVD # MS 100Los Angeles, CA 90027
Mailing Address4650 W Sunset Blvd # Ms 100Los Angeles, CA 90027-6062
Phone(323) 361-5541
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2010
Enumeration DateMay 12, 2010
Last NPPES UpdateJune 25, 2019
✔ NPI 1295053437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
License✔ Licensed in CA · A149220
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
4650 W SUNSET BLVD # MS 100, Los Angeles, CA 90027
Open in Google Maps ↗

Secondary Practice Location 1

Location 1231 Albert Sabin Way, ML 0558Cincinnati, OH 45267-0558 · Phone (206) 915-7569

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource.Insurance ›

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

Ashley Walther 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.

PECOS PAC ID1951541184
PECOS Enrollment IDI20221227002350
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Ashley Walther reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children's Hospital Los Angeles Medical Group, Inc.
Same address
Multi-Specialty
4650 SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
  • 1,281 clinicians in this Medicare group
NPI 1265530653 (323) 361-2337
Children's Hospital Medical Center
1,899 mi
Pediatrics
3333 BURNET AVENUE
Cincinnati, OH 45229
  • Reassigned Medicare billing, Ohio enrollment
  • 2,080 clinicians in this Medicare group
NPI 1609915784 (513) 636-4225

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ashley Walther's NPI number?

The NPI number for Ashley Walther is 1295053437. It was assigned to this individual provider in the NPPES registry on May 12, 2010.

Where is Ashley Walther located?

Ashley Walther practices at 4650 W Sunset Blvd # Ms 100, Los Angeles, CA 90027. The listed phone number is (323) 361-5541.

What is Ashley Walther's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Ashley Walther enrolled in Medicare?

Yes. Ashley Walther 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 Ashley Walther's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Walther reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Children's Hospital Medical Center (Cincinnati, OH). 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 Ashley Walther's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Walther accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Ashley Walther as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ashley Walther was last updated on June 25, 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.