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

Katherine Manasson MD, Inc

Organization Internal Medicine Physician · NPI 1356392575

Katherine Manasson MD, Inc is an Internal Medicine Physician in Mission Viejo, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

26732 Crown Valley Pkwy Ste 507
Mission Viejo, CA 92691-6306
Phone: (949) 348-1086
Fax: (949) 348-1087
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A61594 (CA)

Record details

NPI number1356392575
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Katherine Manasson — President · (949) 751-7604
NPI enumeratedMay 12, 2006
Last updated in NPPESMarch 20, 2008
Mailing address54 Coral Lk, Irvine, CA 92614-5443

Other providers in Mission Viejo