NPPES file of Aug 9, 2026

Anna Christina Ganster, M.D.

Neonatal-Perinatal Medicine Physician · Los Angeles, CA

Anna Christina Ganster, M.D. is a neonatal-perinatal medicine physician with a practice address in Los Angeles, California, and NPI 1861657082, issued on Jul 28, 2008. Check the license (California A121733, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861657082
Name
Anna Christina Ganster
Credential
M.D.
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
A121733 CA
Self-reported in NPPES; status is on the state search
Practice location
4650 Sunset Boulevard, Los Angeles, CA 90027
Phone
(323) 361-5939
Enumerated
Jul 28, 2008
Record last updated
Jul 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest neonatal-perinatal medicine physician records → All 871 in California → Look up another NPI →

Also registered at 4650 Sunset Boulevard

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Brown, M.D.Pediatric Hematology & Oncology Physician1174712962
  2. Alan Hermanson, FAMILY NURSE PRACTITFamily Nurse Practitioner1659697043
  3. Dianne Ito, PNPPediatric Nurse Practitioner1467778696
  4. Melanie Moya, FAMILY NURSE PRACTITFamily Nurse Practitioner1932427796
  5. Tena Rosser, M.D.Neurology with Special Qualifications in Child Neurology Physician1285720292
  6. Maureen Saint Georges Chaumet, M.D.Pediatrics Physician1336526920

Verify Anna Christina Ganster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121733    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Anna Christina Ganster among 871 neonatal-perinatal medicine physician records in California

Anna Christina Ganster, M.D. is one of 871 neonatal-perinatal medicine physician records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 64% of them.

  • NPI issued2008 · 64% of these records are older, 32% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2012 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in California

There are 871 neonatal-perinatal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 871 in California → Every provider in Los Angeles → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. Rowena Cayabyab, MDLos Angeles, CA 900271023104429
  2. Rachel Chapman, MDLos Angeles, CA 900271043293509
  3. Elmer David, M.D.Los Angeles, CA 900271215019641
  4. Manuel Durand, MDLos Angeles, CA 900271659466282
  5. Philippe Friedlich, M.DLos Angeles, CA 900271720180680
  6. Arlene Garingo, MDLos Angeles, CA 900271215020136
  7. Claire McLean, MDLos Angeles, CA 900271518068188
  8. Shahab Noori, M.DLos Angeles, CA 900271215039045

Common questions

What is Anna Christina Ganster, M.D.'s NPI number?

Anna Christina Ganster, M.D.'s National Provider Identifier (NPI) is 1861657082, issued on Jul 28, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Anna Christina Ganster, M.D. located?

The NPPES record lists a practice address at 4650 Sunset Boulevard, Los Angeles, CA, 90027. Phone: (323) 361-5939. Providers update this record themselves, so call before visiting.

How can I verify Anna Christina Ganster, M.D.'s license?

NPPES lists California license number A121733, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.