Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Sheelagh Tallman, R.N.
Registered Nurse in Tulsa, OK · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1780340570
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Registry record
Entity type Individual (Type 1)
Name Ms. Sheelagh Tallman
Credential R.N.
Sex Female
Practice address 1239 S Trenton Ave, Tulsa, OK, 74120
Phone (918) 588-8888
Fax (918) 588-8859
Enumeration date Nov 16, 2021
Last updated in NPPES Nov 16, 2021
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
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 Sheelagh Tallman?
The National Provider Identifier (NPI) for Sheelagh Tallman is 1780340570, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sheelagh Tallman 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 → Parkside, Inc. Psychiatric Hospital · Tulsa, OK NPI 1437370772 Parkside, Inc. Psychiatric Hospital Unit · Tulsa, OK NPI 1346461688 Parkside, Inc. Adult Mental Health Clinic/Center · Tulsa, OK NPI 1356552111 Cynthia Rorie Professional Counselor · Tulsa, OK NPI 1609023860 Deborah Harrington Family Nurse Practitioner · Tulsa, OK NPI 1194386029 Heather Seiger Pharmacist · Tulsa, OK NPI 1093359036 Parkside, Inc. Psychiatric Hospital · Tulsa, OK NPI 1134750649 Derek Bridges Case Manager/Care Coordinator · Tulsa, OK NPI 1134703275
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-16.