Marshall Hamilton, PHD
NPI 1447454731 · Clinical Child & Adolescent Psychologist · Bakersfield, CA
Marshall Hamilton, PHD is a Clinical Child & Adolescent Psychologist provider in Bakersfield, CA (NPI 1447454731).
Provider details
- NPI number
- 1447454731
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY6687 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-06-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marshall Hamilton's NPI number?
- Marshall Hamilton's National Provider Identifier (NPI) is 1447454731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Hamilton's specialty?
- Marshall Hamilton is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Marshall Hamilton located?
- Marshall Hamilton's practice location on file with NPPES is 2621 Oswell St, Bakersfield, CA 93306-3172.
- What is Marshall Hamilton's phone number?
- The practice phone number listed in the NPPES registry for Marshall Hamilton is (661) 868-6750.
- Is Marshall Hamilton's NPI active?
- Yes — Marshall Hamilton's NPI (1447454731) 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.