Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Walter S. Siporin, MD Inc

Organization Specialist · NPI 1255656450

Walter S. Siporin, MD Inc provides Specialist services in Woodland Hills, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
Specialties on file
2
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

6325 Topanga Canyon Blvd Ste 101
Woodland Hills, CA 91367-2010 Not confirmed with CMS for 16 years — call before visiting
Phone: (818) 884-8660
Fax: (818) 884-6722
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence A29048 (CA)
Specialist Taxonomy 174400000X · Licence A29048 (CA)

Record details

NPI number1255656450
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Walter Siporin — Owner · (818) 884-8660
NPI enumeratedMarch 30, 2010
Last updated in NPPESAugust 6, 2010
Mailing address6325 Topanga Canyon Blvd., Suite 101, Woodland Hills, CA 91367-2010

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