Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOANNA OMEGA SHADLOW PHD
NPI 1316123946
Psychologist in Tulsa, OK

Active since January 14, 2008PECOS Enrolled
550 S PEORIA AVE, TULSA, OK 74120(918) 588-1900(918) 582-6405 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joanna Omega Shadlow Phd NPPES

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

DR. JOANNA OMEGA SHADLOW PHD (NPI 1316123946) is an individual psychologist in Tulsa, Oklahoma, licensed in Oklahoma (1172) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316123946
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOANNA OMEGA SHADLOWCredential: PHD
Location Address550 S PEORIA AVETulsa, OK 74120-3820
Mailing Address550 S Peoria AveTulsa, OK 74120-3820 · (918) 588-1900 · Fax (918) 582-6405
Fax(918) 582-6405
Sole ProprietorYes
Enumeration DateJanuary 14, 2008
Last NPPES UpdateOctober 16, 2026
NPPES CertifiedOctober 16, 2026
✔ NPI 1316123946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in OK · 1172
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
550 S PEORIA AVE, Tulsa, OK 74120

Other Identifiers 6

Other100732910-AOK · Group Medicaid/soonercare
Other73-1042545OK · Group Medicare
Other731042545001OK · Group Tricare
Other73-1042545OK · Group Community Care Of Oklahoma
Other73-1042545OK · Group Bcbs
Other100732910-GOK · Group Medicaid/soonercare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joanna Omega Shadlow Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Joanna Shadlow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
550 SOUTH PEORIA AVE
Tulsa, OK 74120
  • Reassigned Medicare billing, Texas enrollment
  • 29 clinicians in this Medicare group
Multi-Specialty
101 S MOORE AVE
Claremore, OK 74017
  • Reassigned Medicare billing, Texas enrollment
  • 1,047 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Dietitian, Registered
550 S PEORIA AVE
TULSA, OK 74120
Psychologist (Clinical)
550 S PEORIA AVE
TULSA, OK 74120
Psychologist (Clinical)
550 S PEORIA AVE
TULSA, OK 74120
Registered Nurse (Case Management)
550 S PEORIA AVE
TULSA, OK 74120
Licensed Practical Nurse
550 S PEORIA AVE
TULSA, OK 74120
Social Worker (Clinical)
550 S PEORIA AVE
TULSA, OK 74120
Pharmacist
550 S PEORIA AVE
TULSA, OK 74120
Dentist
550 S PEORIA AVE
TULSA, OK 74120

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 Joanna Shadlow's NPI number?

The NPI number for Joanna Shadlow is 1316123946. It was assigned to this individual provider in the NPPES registry on January 14, 2008.

Where is Joanna Shadlow located?

Joanna Shadlow practices at 550 S Peoria Ave, Tulsa, OK 74120. The listed phone number is (918) 588-1900.

What is Joanna Shadlow's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Joanna Shadlow enrolled in Medicare?

Yes. Joanna Shadlow is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joanna Shadlow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Shadlow reassigns Medicare benefits to 2 organizations: Indian Health Care Resource Center (Tulsa, OK) and Cherokee Nation (Claremore, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joanna Shadlow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joanna Shadlow was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.