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

Janine E Senior, MD

Individual provider Specialist · NPI 1154321503

Janine E Senior, MD is an Obstetrics/Gynecology in Walnut Creek, California. Graduated from University of Cincinnati College of Medicine in 1988, 38 years ago. Practices with Bass Medical Group, a 292-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
38
Trained at
University of Cincinnati College of Medicine
Licensed in
CA
In the registry since
2005
Specialties on file
2
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

112 La Casa Via Ste 300
Walnut Creek, CA 94598-3059
Phone: (925) 239-0012
Fax: (925) 239-0011
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence G74576 (CA)
Specialist Taxonomy 174400000X · Licence G74576 (CA)

Record details

NPI number1154321503
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 28, 2005
Last updated in NPPESFebruary 27, 2025
Certification dateFebruary 27, 2025
Mailing address112 La Casa Via Ste 300, Walnut Creek, CA 94598-3059

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Bass Medical Group — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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