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

Dr. Ralph Lowell Cummings, MD

Individual provider Internal Medicine Physician · NPI 1003941246

Dr. Ralph Lowell Cummings, MD is an Internal Medicine Physician in Laguna Hills, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

24953 Paseo De Valencia Ste 15C
Laguna Hills, CA 92653-4344
Phone: (949) 859-4433
Fax: (949) 589-6789
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A24760 (CA)

Record details

NPI number1003941246
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 21, 2007
Last updated in NPPESJuly 8, 2007

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