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DR. STEVEN LEE ISAAK PH.D.
NPI 1437944287
Psychologist - Clinical in Tulsa, OK

Active since April 11, 2025
10159 E 11TH ST, TULSA, OK 74128(918) 384-4655 Get Directions Write a Review

NPPES record last updated: April 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Steven Lee Isaak Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEVEN LEE ISAAK PH.D. (NPI 1437944287) is an individual clinical provider in Tulsa, Oklahoma, licensed in Colorado (PSY.0006717) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1437944287
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. STEVEN LEE ISAAKCredential: PH.D.
Location Address10159 E 11TH STTulsa, OK 74128-3058
Mailing Address10159 E 11th StTulsa, OK 74128-3058 · (918) 384-4655
Phone(918) 384-4655
Sole ProprietorNo
Enumeration DateApril 11, 2025
NPPES CertifiedApril 11, 2025
✔ NPI 1437944287 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CO · PSY.0006717
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
10159 E 11TH ST, Tulsa, OK 74128
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAMANTHA BARNETT RN
Registered Nurse
10159 E 11TH ST
TULSA, OK 74128
Tulsa County (918) 577-3699
DR. PETER CHARLES CIALI PH.D.
Psychologist (Clinical)
10159 E 11TH ST, SUITE 100
TULSA, OK 74128
Tulsa County (918) 610-2000
MRS. CHRISTINA ANGELENA PEREZ-LANIK MSW
Social Worker
10159 E 11TH ST, SUITE 100
TULSA, OK 74128
Tulsa County (918) 610-2000
MUSKOGEE VAMC
Clinic/Center (VA)
10159 E 11TH ST
TULSA, OK 74128
Tulsa County (913) 578-4409
JANET IRENIE GEARIN M.S.N.
Registered Nurse (Psychiatric/Mental Health, Adult)
10159 E 11TH ST
TULSA, OK 74128
Tulsa County (918) 835-5033
BROOKE MILLHAM PSYD
Psychologist (Clinical)
10159 E 11TH ST
TULSA, OK 74128
Tulsa County (918) 577-3699
MS. EILEEN LYON LCSW
Social Worker
10159 E 11TH ST, SUITE 100
TULSA, OK 74128
Tulsa County (918) 610-2000
MUSKOGEE VAMC
Clinic/Center (VA)
10159 E 11TH ST
TULSA, OK 74128
Tulsa County (615) 355-3451

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Isaak's NPI number?

The NPI number for Steven Isaak is 1437944287. It was assigned to this individual provider in the NPPES registry on April 11, 2025.

Where is Steven Isaak located?

Steven Isaak practices at 10159 E 11th St, Tulsa, OK 74128. The listed phone number is (918) 384-4655.

What is Steven Isaak's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Steven Isaak was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.