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

Stephen M Nathanson, MD

Individual provider Pediatrics Physician · NPI 1851310452

Stephen M Nathanson, MD is a Pediatrics Physician in Valencia, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

26357 McBean Pkwy
Valencia, CA 91355-4488
Phone: (661) 222-2620
Fax: (661) 222-2685
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A43977 (CA)

Record details

NPI number1851310452
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESOctober 8, 2012
Mailing addressPo Box 9602, Mission Hills, CA 91346-9602

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