IndividualActive
Kristina Ludwigsen, PH.D.
NPI 1689728081 · Psychologist · Antioch, CA
Kristina Ludwigsen, PH.D. is a Psychologist provider in Antioch, CA (NPI 1689728081).
Provider details
- NPI number
- 1689728081
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PSY 9122 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
2213 Buchanan Rd
Suite 203
Antioch, CA 94509-4265
Phone: (925) 779-4930
Fax: (925) 779-4963
Street-level locationGet directions
Mailing address
2213 Buchanan Rd
Antioch, CA 94509-4265
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kristina Ludwigsen's NPI number?
- Kristina Ludwigsen's National Provider Identifier (NPI) is 1689728081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristina Ludwigsen's specialty?
- Kristina Ludwigsen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Kristina Ludwigsen located?
- Kristina Ludwigsen's practice location on file with NPPES is 2213 Buchanan Rd, Antioch, CA 94509-4265.
- What is Kristina Ludwigsen's phone number?
- The practice phone number listed in the NPPES registry for Kristina Ludwigsen is (925) 779-4930.
- Is Kristina Ludwigsen's NPI active?
- Yes — Kristina Ludwigsen's NPI (1689728081) 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.