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

Ronald J Ruby, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1568475044

Ronald J Ruby, MD is an Endocrinology in Manhattan Beach, California. Graduated from University of Texas Southwestern Medical School at Dallas in 1973, 53 years ago. Practices with Providence Medical Institute, a 336-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
53
Trained at
University of Texas Southwestern Medical School at Dallas
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

1101 N Sepulveda Blvd Ste 102
Manhattan Beach, CA 90266-5948
Phone: (310) 545-6627
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence G34101 (CA)

Record details

NPI number1568475044
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESOctober 22, 2007
Mailing address1101 N Sepulveda Blvd, Suite 102, Manhattan Beach, CA 90266-5948

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1973 (53 years in practice)
Group practice Providence Medical Institute — 336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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