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

Dr. Janie Gia-Lin Weng Grumley, MD

Individual provider Surgery Physician · NPI 1063616142

Dr. Janie Gia-Lin Weng Grumley, MD is a General Surgery in Santa Monica, California. Graduated from University of Southern California Keck School of Medicine in 2005, 21 years ago. Practices with Providence Saint Johns Medical Foundation, a 285-clinician group and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
21
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA, WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2121 Santa Monica Blvd
Santa Monica, CA 90404-2303
Phone: (310) 582-7100
Fax: (310) 829-8914
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence A97413 (CA)
Surgery Physician Taxonomy 208600000X · Licence MD60223684 (WA)

Record details

NPI number1063616142
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 13, 2007
Last updated in NPPESJanuary 25, 2024
Certification dateJanuary 25, 2024

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Providence Saint Johns Medical Foundation — 285 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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