Diane Katsma, DNP, FNP
NPI 1821418450 · Family Nurse Practitioner · Turlock, CA
Diane Katsma, DNP, FNP is a Family Nurse Practitioner provider in Turlock, CA (NPI 1821418450).
Provider details
- NPI number
- 1821418450
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 334471 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Registry dates
- Enumerated
- 2014-04-22
- Last updated
- 2014-04-22
Frequently asked questions
- What is Diane Katsma's NPI number?
- Diane Katsma's National Provider Identifier (NPI) is 1821418450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Katsma's specialty?
- Diane Katsma is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Katsma located?
- Diane Katsma's practice location on file with NPPES is 2761 E Marshall St, Turlock, CA 95380-4429.
- What is Diane Katsma's phone number?
- The practice phone number listed in the NPPES registry for Diane Katsma is (209) 648-1512.
- Is Diane Katsma's NPI active?
- Yes — Diane Katsma's NPI (1821418450) is active in the NPPES registry as of the last update on 2014-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.