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

Sowmya Arja, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1215390166

Sowmya Arja, MD is an Allergy & Immunology (Internal Medicine) Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2016.

Licensed in
CA
In the registry since
2016
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

450 Sutter St Ste 1139
San Francisco, CA 94108-4206
Phone: (415) 362-2614
Fax: (415) 362-2615
Show map & directions

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

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence A167950 (CA)

Record details

NPI number1215390166
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2016
Last updated in NPPESJanuary 4, 2023
Certification dateJanuary 4, 2023

Other providers in San Francisco