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Kathryn Waterman, RNFA
NPI 1619193794 · Registered Nurse First Assistant · Irvine, CA
Kathryn Waterman, RNFA is a Registered Nurse First Assistant provider in Irvine, CA (NPI 1619193794).
Provider details
- NPI number
- 1619193794
- Entity type
- Individual
- Primary specialty
- Registered Nurse First AssistantNursing Service Providers
- Credential
- RNFA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 366850 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
16300 Sand Canyon Ave
Suite 911
Irvine, CA 92618-3711
Phone: (949) 450-2755
Street-level locationGet directions
Mailing address
2513 Littleton Pl
Costa Mesa, CA 92626-6340
Registry dates
- Enumerated
- 2007-04-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kathryn Waterman's NPI number?
- Kathryn Waterman's National Provider Identifier (NPI) is 1619193794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Waterman's specialty?
- Kathryn Waterman is listed in the NPPES registry with a primary specialty of Registered Nurse First Assistant (Nursing Service Providers).
- Where is Kathryn Waterman located?
- Kathryn Waterman's practice location on file with NPPES is 16300 Sand Canyon Ave, Irvine, CA 92618-3711.
- What is Kathryn Waterman's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Waterman is (949) 450-2755.
- Is Kathryn Waterman's NPI active?
- Yes — Kathryn Waterman's NPI (1619193794) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.