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

John Frederick Riedel, MD

Individual provider Ophthalmology Physician · NPI 1205892825

John Frederick Riedel, MD is an Ophthalmology Physician in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

112 La Casa Via #260
Walnut Creek, CA 94598
Phone: (925) 934-6300
Fax: (925) 933-9547
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 00A239850 (CA)

Record details

NPI number1205892825
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 22, 2006
Last updated in NPPESJuly 16, 2007

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