Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Stephen Harnish, M.D.
Psychiatry Physician in Tulsa, OK · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1508958810
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Registry record
Entity type Individual (Type 1)
Name Stephen Harnish
Credential M.D.
Sex Male
Practice address 6262 S Sheridan Rd, Tulsa, OK, 74133
Phone (918) 492-8200
Fax (918) 493-3268
Enumeration date Sep 28, 2006
Last updated in NPPES Jun 20, 2012
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100221750A | Medicaid | OK | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Stephen Harnish?
The National Provider Identifier (NPI) for Stephen Harnish is 1508958810, a Type 1 (individual) record in the CMS NPPES registry.
Where does Stephen Harnish practice?
The practice location on file with NPPES is in Tulsa, OK. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Shadow Mountain Behavioral Health System, LLC Psychiatric Hospital · Tulsa, OK NPI 1528089257 Shadow Mountain Behavioral Health System, LLC Medical Specialty Clinic/Center · Tulsa, OK NPI 1124037288 Shadow Mountain Behavioral Health System, LLC Psychiatric Residential Treatment Facility · Tulsa, OK NPI 1003923442 Dion Owens Child & Adolescent Psychiatry Physician · Tulsa, OK NPI 1336251990 Shadow Mountain Behavioral Health System, LLC Mental Health Clinic/Center (Including Community Mental Health Center) · Tulsa, OK NPI 1659475952 Cynthia Bruns Psychiatry Physician · Tulsa, OK NPI 1275639197 Samuel Sherman Psychologist · Tulsa, OK NPI 1598804122 Shadow Mountain Behavioral Health System, LLC Psychiatric Residential Treatment Facility · Tulsa, OK NPI 1831304351
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-06-20.