MR. BARRETT WILLIAMS PHD NPI 1154474054

NPI Information

  • NPI: 1154474054
  • Provider Name: MR. BARRETT WILLIAMS, PHD
  • Classification: Psychologist - 103TH0100X
  • Specialization: Health Service
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 5310 E 31ST ST STE 13
    TULSA, OK
    ZIP 74135
  • Phone: (918) 236-4000

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NPI Details

MR. Barrett Williams, PHD is a health service psychologist in Tulsa, OK with 3 years of experience. The provider is a psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974). MR. Barrett Williams, PHD NPI is 1154474054. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

5310 E 31ST ST STE 13
TULSA, OK
ZIP 74135-013
Phone: (918) 236-4000
Fax: (918) 236-4001

The NPI 1154474054 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment.

The enumeration date for this NPI number is 1/22/2007 and was last updated on 9/25/2024.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1103TC1900XPsychologistCounseling1466OKLAHOMANo
2103TH0100XPsychologistHealth Service1466OKLAHOMAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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