Kathryn Rigonan MD Inc a Professional Corporation
NPI 1356581847 · Internal Medicine Physician · Fountain Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Rigonan MD Inc a Professional Corporation is a Internal Medicine Physician organization in Fountain Valley, CA (NPI 1356581847).
Provider details
- NPI number
- 1356581847
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Kathryn Rigonan MD
- Organization subpart
- Yes
- Authorized official
- Kathryn Rigonan, President(714) 754-0100
- License
- A51220 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- A Professional Corporation
Registry dates
- Enumerated
- 2009-02-24
- Last updated
- 2010-06-08
Frequently asked questions
- What is Kathryn Rigonan MD Inc a Professional Corporation's NPI number?
- Kathryn Rigonan MD Inc a Professional Corporation's National Provider Identifier (NPI) is 1356581847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kathryn Rigonan MD Inc a Professional Corporation?
- Kathryn Rigonan MD Inc a Professional Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Rigonan MD Inc a Professional Corporation located?
- Kathryn Rigonan MD Inc a Professional Corporation's practice location on file with NPPES is 11100 Warner Ave, Fountain Valley, CA 92708-7506.
- What is Kathryn Rigonan MD Inc a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Rigonan MD Inc a Professional Corporation is (714) 754-0100.
- Does Kathryn Rigonan MD Inc a Professional Corporation accept Medicare?
- Kathryn Rigonan MD Inc a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Kathryn Rigonan MD Inc a Professional Corporation?
- The authorized official listed on Kathryn Rigonan MD Inc a Professional Corporation's NPPES record is Kathryn Rigonan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kathryn Rigonan MD Inc a Professional Corporation's NPI active?
- Yes — Kathryn Rigonan MD Inc a Professional Corporation's NPI (1356581847) is active in the NPPES registry as of the last update on 2010-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.