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

Dr. James Arthur Nickelsen, MD

Individual provider Allergy & Immunology Physician · NPI 1891772000

Dr. James Arthur Nickelsen, MD is an Allergy & Immunology Physician in Berkeley, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

3010 Colby St Ste 220
Berkeley, CA 94705-2091
Phone: (510) 644-2316
Fax: (510) 704-8346
Show map & directions

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

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence G51329 (CA)

Record details

NPI number1891772000
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESDecember 22, 2011

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