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

William Marcus Lowenhaupt, ASW

Individual provider Clinical Social Worker · NPI 1790552438

William Marcus Lowenhaupt, ASW is a Clinical Social Worker in Sacramento, California. Qualified in 2020, 6 years ago. Registered with an NPI since 2023.

Years since qualifying
6
In the registry since
2023

Practice location Address checks out

1103 N B St
Sacramento, CA 95811-0326
Phone: (916) 378-8266
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1790552438
Entity typeIndividual (Type 1)
GenderMale
Credentials ASW
Sole proprietorNo
NPI enumeratedDecember 4, 2023
Last updated in NPPESDecember 29, 2023
Certification dateDecember 29, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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