John K. Russell, PH.D. a Psychological Corporation
NPI 1851711881 · Addiction (Substance Use Disorder) Psychologist · Long Beach, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John K. Russell, PH.D. a Psychological Corporation is a Addiction (Substance Use Disorder) Psychologist organization in Long Beach, CA (NPI 1851711881).
Provider details
- NPI number
- 1851711881
- Entity type
- Organization
- Primary specialty
- Addiction (Substance Use Disorder) PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- John Russell, President(562) 799-3333
- License
- PSY4430 (CA)
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
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
- 2014-04-17
- Last updated
- 2014-04-17
Frequently asked questions
- What is John K. Russell, PH.D. a Psychological Corporation's NPI number?
- John K. Russell, PH.D. a Psychological Corporation's National Provider Identifier (NPI) is 1851711881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John K. Russell, PH.D. a Psychological Corporation?
- John K. Russell, PH.D. a Psychological Corporation is classified in the NPPES registry as Addiction (Substance Use Disorder) Psychologist (Behavioral Health & Social Service Providers).
- Where is John K. Russell, PH.D. a Psychological Corporation located?
- John K. Russell, PH.D. a Psychological Corporation's practice location on file with NPPES is 1945 Palo Verde Avenue, Long Beach, CA 90815-3445.
- What is John K. Russell, PH.D. a Psychological Corporation's phone number?
- The practice phone number listed in the NPPES registry for John K. Russell, PH.D. a Psychological Corporation is (562) 799-3333.
- Does John K. Russell, PH.D. a Psychological Corporation accept Medicare?
- John K. Russell, PH.D. a Psychological Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for John K. Russell, PH.D. a Psychological Corporation?
- The authorized official listed on John K. Russell, PH.D. a Psychological Corporation's NPPES record is John Russell, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John K. Russell, PH.D. a Psychological Corporation's NPI active?
- Yes — John K. Russell, PH.D. a Psychological Corporation's NPI (1851711881) is active in the NPPES registry as of the last update on 2014-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.