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

Mr. Jonas Weil III, MS

Individual provider Marriage & Family Therapist · NPI 1306864293

Mr. Jonas Weil III, MS is a Marriage & Family Therapist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

126 Church St
San Francisco, CA 94114-1111
Phone: (415) 263-0231
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC38134 (CA)

Record details

NPI number1306864293
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedJuly 18, 2006
Last updated in NPPESJuly 8, 2007

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