Katie Duffin
NPI 1962673178 · Social Worker · Oxnard, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Duffin is a Social Worker provider in Oxnard, CA (NPI 1962673178).
Provider details
- NPI number
- 1962673178
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 127 E Los Angeles AveSimi Valley, CA 93065Phone: (805) 582-4000
Registry dates
- Enumerated
- 2008-03-14
- Last updated
- 2023-11-06
- Certified
- 2023-11-06
Frequently asked questions
- What is Katie Duffin's NPI number?
- Katie Duffin's National Provider Identifier (NPI) is 1962673178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Duffin's specialty?
- Katie Duffin is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Katie Duffin located?
- Katie Duffin's practice location on file with NPPES is 1911 Williams Dr, Oxnard, CA 93036-2612.
- What is Katie Duffin's phone number?
- The practice phone number listed in the NPPES registry for Katie Duffin is (805) 981-5400.
- Does Katie Duffin accept Medicare?
- Katie Duffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Duffin's NPI active?
- Yes — Katie Duffin's NPI (1962673178) is active in the NPPES registry as of the last update on 2023-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.