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

Dr. Martha Singer, MD

Individual provider Orthopaedic Surgery Physician · NPI 1275501330

Dr. Martha Singer, MD is an Orthopaedic Surgery Physician in Castro Valley, 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

21030 Redwood Rd
Castro Valley, CA 94546-5920
Phone: (510) 538-0430
Fax: (510) 538-1839
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 G77127 (CA)

Record details

NPI number1275501330
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESDecember 9, 2011
Mailing address21030 Redwood Rd, Castro Valley, CA 94546-5920

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