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PARKSIDE, INC.
NPI 1356552111
Clinic/Center - Adult Mental Health in Tulsa, OK

Active since May 24, 2007
1239 S TRENTON AVE, TULSA, OK 74120(918) 582-2131(918) 588-8822 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Parkside, Inc. NPPES

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

PARKSIDE, INC. (NPI 1356552111) is a healthcare organization registered as an adult mental health in Tulsa, Oklahoma and active in the NPI registry since May 2007. The organization maintains a secondary practice location in Tulsa and lists William Eric Sachau, Exec. Director Admin Svcs., as its authorized official.

NPPES Registry Identity

NPI1356552111
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NamePARKSIDE, INC.
Location Address1239 S TRENTON AVETulsa, OK 74120-5420
Mailing Address1239 S Trenton AveTulsa, OK 74120-5420 · (918) 582-2131 · Fax (918) 588-8822
Phone(918) 582-2131
Fax(918) 588-8822
Organization SubpartNo
Authorized OfficialWilliam Eric SachauExec. Director Admin Svcs. · (918) 582-2131
Enumeration DateMay 24, 2007
Last NPPES UpdateJune 5, 2026
NPPES CertifiedJune 5, 2026
✔ NPI 1356552111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
License✔ Licensed in OK · 2261
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
Also ListedClinic/Center · Adolescent and Children Mental HealthTaxonomy 261QM0855X · License 2261 (OK)
1239 S TRENTON AVE, Tulsa, OK 74120
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Other Names 1

Other NameParkside Professional

Secondary Practice Location 1

Location 11220 S Trenton AveTulsa, OK 74120-5421 · Phone (918) 588-8888 · Fax (918) 588-8822

Other Identifiers 1

Medicaid100738360DOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Medica.Insurance ›

Other Providers at the Same Location NPPES 17

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

DON C HARRIS III
Counselor (Mental Health)
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 588-8836
HEATHER DAWN SEIGER PHARMD
Pharmacist
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 588-8869
DEREK CHARLES BRIDGES
Case Manager/Care Coordinator
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 924-2832
PARKSIDE, INC.
Psychiatric Hospital
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 582-2131
DEBORAH S HARRINGTON APRN-CNP
Nurse Practitioner (Family)
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 588-8873
PARKSIDE, INC.
Psychiatric Unit
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 588-8888
KYLE D NOLAN DO
Psychiatry & Neurology (Psychiatry)
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 582-2151
JAMES D NYAMAHONO (PH.D, MSBA)
Case Manager/Care Coordinator
1239 S TRENTON AVE
TULSA, OK 74120
Tulsa County (918) 586-4216

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 Parkside, Inc.'s NPI number?

The NPI number for Parkside, Inc. is 1356552111. It was assigned to this organization in the NPPES registry on May 24, 2007. The provider is also known as Parkside Professional.

Where is Parkside, Inc. located?

Parkside, Inc. is located at 1239 S Trenton Ave, Tulsa, OK 74120. The listed phone number is (918) 582-2131.

What is Parkside, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

What insurance does Parkside, Inc. accept?

Health plans from Blue Cross and Blue Shield of Oklahoma and Medica list Parkside, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Parkside, Inc. was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.