Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Witmer Neonatology Associates, Inc

Organization Neonatal-Perinatal Medicine Physician · NPI 1063543627

Witmer Neonatology Associates, Inc provides Neonatal-Perinatal Medicine Physician services in Los Angeles, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1245 Wilshire Blvd
Los Angeles, CA 90017-4810
Phone: (213) 977-4123
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence FNP 29985 (CA)

Record details

NPI number1063543627
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Bijan Siassi — Co-Owner · (323) 226-3499
NPI enumeratedMarch 7, 2007
Last updated in NPPESAugust 22, 2020
Mailing addressPo Box 9690, Glendale, CA 91226-0690

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