What is Steven Isaak's NPI number?

Steven Isaak's National Provider Identifier (NPI) is 1437944287, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Steven Isaak's specialty?

Steven Isaak is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Steven Isaak located?

Steven Isaak's practice location on file with NPPES is 10159 E 11th St, Tulsa, OK 74128-3058.

What is Steven Isaak's phone number?

The practice phone number listed in the NPPES registry for Steven Isaak is (918) 384-4655.

Is Steven Isaak's NPI active?

Yes — Steven Isaak's NPI (1437944287) is active in the NPPES registry as of the last update on 2025-04-11.

IndividualActive

Steven Isaak, PH.D.

NPI 1437944287 · Clinical Psychologist · Tulsa, OK

Steven Isaak, PH.D. is a Clinical Psychologist provider in Tulsa, OK (NPI 1437944287).

Provider details

NPI number: 1437944287
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: No
License: PSY.0006717 (CO)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense PSY.0006717 (CO)
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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

10159 E 11th St

Tulsa, OK 74128-3058

Phone: (918) 384-4655

Street-level locationGet directions

More OK providers

Mailing address