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

Ranu Grewal-Bahl MD

Organization Specialist · NPI 1710936653

Ranu Grewal-Bahl MD is a Specialist in Hayward, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006

Practice location Address checks out

27204 Calaroga Ave
Hayward, CA 94545-4339
Phone: (510) 732-6930
Fax: (510) 732-1357
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A039529 (CA)

Record details

NPI number1710936653
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Ann Derenzi — Billing Manager · (510) 732-6930
Other names Alameda Radiation Oncology
NPI enumeratedMay 9, 2006
Last updated in NPPESMarch 27, 2013
Mailing address27204 Calaroga Ave, Hayward, CA 94545-4339

Other providers in Hayward