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

MRS. SONJA GAY MONTGOMERY REGISTERED NURSE
NPI 1033635321
Registered Nurse - Case Management in Norman, OK

Q: What is Sonja Montgomery's NPI number?

The NPI number for Sonja Montgomery is 1033635321. It was assigned to this individual provider in the NPPES registry on August 17, 2017.

Q: What is Sonja Montgomery's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Case Management, with taxonomy code 163WC0400X.

Q: When was this NPI record last updated?

The NPPES record for Sonja Montgomery was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since August 17, 2017

900 E. MAIN STREET BUILDING 200, NORMAN, OK 73070(405) 307-4897 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 29, 2026, Aug 17, 2017 (2 updates tracked since 2017).

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About Mrs. Sonja Gay Montgomery Registered Nurse NPPES

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

MRS. SONJA GAY MONTGOMERY REGISTERED NURSE (NPI 1033635321) is an individual case management provider in Norman, Oklahoma, licensed in Oklahoma (94973) and active in the NPI registry since August 2017.

NPPES Registry Identity

NPI1033635321

Entity TypeIndividualFemale

Primary Taxonomy163WC0400X

Provider Legal NameMRS. SONJA GAY MONTGOMERYCredential: REGISTERED NURSE

Location Address900 E. MAIN STREET BUILDING 200Norman, OK 73070

Mailing Address2300 96th Ave NeNorman, OK 73026-5964 · (405) 496-3905

Phone(405) 307-4897

Sole ProprietorNo

Enumeration DateAugust 17, 2017

Last NPPES UpdateSeptember 29, 20262 updates tracked since enumeration

✔ NPI 1033635321 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Case ManagementNursing Service Providers

Taxonomy Code163WC0400X

License✔ Licensed in OK · 94973

900 E. MAIN STREET BUILDING 200, Norman, OK 73070

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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 Sonja Montgomery's NPI number?

The NPI number for Sonja Montgomery is 1033635321. It was assigned to this individual provider in the NPPES registry on August 17, 2017.

Where is Sonja Montgomery located?

Sonja Montgomery practices at 900 E. Main Street Building 200, Norman, OK 73070. The listed phone number is (405) 307-4897.

What is Sonja Montgomery's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Case Management, with taxonomy code 163WC0400X.

When was this NPI record last updated?

The NPPES record for Sonja Montgomery was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.