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ANNA CHRISTINA GANSTER M.D.
NPI 1861657082
Pediatrics - Neonatal-Perinatal Medicine in Los Angeles, CA

Active since July 28, 2008PECOS Enrolled
4650 SUNSET BOULEVARD, MAIL STOP # 31, LOS ANGELES, CA 90027(323) 361-5939 Get Directions Write a Review

NPPES record last updated: July 5, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Anna Christina Ganster M.d. NPPES

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

ANNA CHRISTINA GANSTER M.D. (NPI 1861657082) is an individual neonatal-perinatal medicine provider in Los Angeles, California, licensed in California (A121733) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861657082
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameANNA CHRISTINA GANSTERCredential: M.D.
Location Address4650 SUNSET BOULEVARD, MAIL STOP # 31Los Angeles, CA 90027-6062
Mailing Address4650 Sunset Boulevard, Mail Stop # 31Los Angeles, CA 90027-6062 · (323) 361-5939
Phone(323) 361-5939
Sole ProprietorNo
Enumeration DateJuly 28, 2008
Last NPPES UpdateJuly 5, 2012
✔ NPI 1861657082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in CA · A121733
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
4650 SUNSET BOULEVARD, Los Angeles, CA 90027
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Anna Christina Ganster M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Anna Ganster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

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

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

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBERT J. BROWN M.D.
Pediatrics (Pediatric Hematology-Oncology)
4650 SUNSET BOULEVARD, MS-54
LOS ANGELES, CA 90027
Los Angeles County (323) 361-4460
TENA LA DAWN ROSSER M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
4650 SUNSET BOULEVARD, M.S. #82
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2940
MAUREEN SAINT GEORGES CHAUMET M.D.
Pediatrics
4650 SUNSET BOULEVARD
LOS ANGELES, CA 90027
Los Angeles County (323) 669-2113
MS. DIANNE MITSUKO ITO PNP
Nurse Practitioner (Pediatrics)
4650 SUNSET BOULEVARD, MAILSTOP #81
LOS ANGELES, CA 90027
Los Angeles County (323) 361-3033
DR. CATHERINE LIZ YRLAS AU.D.
Audiologist
4650 SUNSET BOULEVARD, MS #36
LOS ANGELES, CA 90027
Los Angeles County (323) 361-4593
MR. ALAN PATRICK HERMANSON FAMILY NURSE PRACTIT
Nurse Practitioner (Family)
4650 SUNSET BOULEVARD, MAIL STOP 125, CHILDRENS HOSPITAL LOS ANGELES
LOS ANGELES, CA 90027
Los Angeles County (323) 361-4207
MS. MELANIE T. MOYA FAMILY NURSE PRACTIT
Nurse Practitioner (Family)
4650 SUNSET BOULEVARD, CHILDRENS HOSPITAL LOS ANGELES
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2533

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 Anna Ganster's NPI number?

The NPI number for Anna Ganster is 1861657082. It was assigned to this individual provider in the NPPES registry on July 28, 2008.

Where is Anna Ganster located?

Anna Ganster practices at 4650 Sunset Boulevard Mail Stop # 31, Los Angeles, CA 90027. The listed phone number is (323) 361-5939.

What is Anna Ganster's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Anna Ganster enrolled in Medicare?

Yes. Anna Ganster is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anna Ganster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Ganster reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Anna Ganster'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 Anna Ganster was last updated on July 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.