Individual provider · Type 1 NPI

Sonia Ralli Grewal, MD

Internal Medicine Physician · Newport Beach, CA

NPI number 1154512663 Active

Practice location

520 Superior Ave Ste 390
Newport Beach, CA 92663-3668

Fax (949) 548-3412

Specialties and licenses

Taxonomy	Code	License
Internal Medicine Physician Primary	207R00000X	A95350 (CA)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1154512663

Sonia Ralli Grewal, MD's National Provider Identifier is 1154512663, issued on Aug 8, 2007. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Newport Beach, CA. The record was last updated on Mar 13, 2026.