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

Theodore Patrick Weis, MD

Individual provider Nephrology Physician · NPI 1679526313

Theodore Patrick Weis, MD is a Nephrology Physician in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

225 Clyde Dr
Walnut Creek, CA 94598-3447
Phone: (925) 279-2226
Fax: (925) 279-2228
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence C34090 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence C34090 (CA)

Record details

NPI number1679526313
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 17, 2006
Last updated in NPPESNovember 12, 2009
Mailing address225 Clyde Dr, Walnut Creek, CA 94598-3447

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