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

Stephen A Wertheimer, MD

Individual provider Orthopaedic Surgery Physician · NPI 1952747701

Stephen A Wertheimer, MD is an Orthopaedic Surgery Physician in Los Alamitos, California. Licensed in California. Registered with an NPI since 2013.

Licensed in
CA
In the registry since
2013
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

4290 Katella Ave
Los Alamitos, CA 90720
Phone: (562) 493-4499
Fax: (562) 493-6512
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence G10289 (CA)

Record details

NPI number1952747701
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 21, 2013
Last updated in NPPESMay 21, 2013
Mailing address4290 Katella Ave, Los Alamitos, CA 90720

Other providers in Los Alamitos