Katherine Doi
NPI 1598943235 · Marriage & Family Therapist · Long Beach, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Doi is a Marriage & Family Therapist provider in Long Beach, CA (NPI 1598943235).
Provider details
- NPI number
- 1598943235
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Marriage & Family Therapist106H00000X
Behavioral Health & Social Service Providers
- Rehabilitation Practitioner225400000X
Respiratory, Developmental, Rehabilitative and Restorative 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
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
- 2008-02-05
- Last updated
- 2021-12-07
- Certified
- 2021-12-07
Frequently asked questions
- What is Katherine Doi's NPI number?
- Katherine Doi's National Provider Identifier (NPI) is 1598943235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Doi's specialty?
- Katherine Doi is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Katherine Doi located?
- Katherine Doi's practice location on file with NPPES is 4001 Long Beach Blvd, Long Beach, CA 90807-2616.
- What is Katherine Doi's phone number?
- The practice phone number listed in the NPPES registry for Katherine Doi is (562) 427-7671.
- Does Katherine Doi accept Medicare?
- Katherine Doi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Doi's NPI active?
- Yes — Katherine Doi's NPI (1598943235) is active in the NPPES registry as of the last update on 2021-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.