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

James R Ryba MD Inc

Organization Rheumatology Physician · NPI 1245435395

James R Ryba MD Inc is a Rheumatology Physician in Fountain Valley, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

11100 Warner Ave #250
Fountain Valley, CA 92708
Phone: (714) 549-8905
Fax: (714) 549-8907
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence C30976 (CA)

Record details

NPI number1245435395
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Ryba — President · (714) 549-8905
NPI enumeratedJune 19, 2007
Last updated in NPPESJune 28, 2011
Mailing address11100 Warner Ave, 250, Fountain Valley, CA 92708

Other providers in Fountain Valley