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

W. D. McCallum, MD, Inc

Organization Maternal & Fetal Medicine Physician · NPI 1053592733

W. D. McCallum, MD, Inc is a Maternal & Fetal Medicine Physician in Mountain View, 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

1580 W El Camino Real Ste 1
Mountain View, CA 94040-2458
Phone: (650) 964-1505
Fax: (650) 964-1522
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence GR0104720 (CA)

Record details

NPI number1053592733
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William McCallum — President · (650) 964-1505
NPI enumeratedNovember 21, 2007
Last updated in NPPESNovember 21, 2007
Mailing address1580 W El Camino Real, Suite 1, Mountain View, CA 94040-2458

Other providers in Mountain View