Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark R. Gillen, PA
Physician Assistant in Tulsa, OK · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609833078
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Registry record
Entity type Individual (Type 1)
Name Mark R. Gillen
Credential PA
Sex Male
Practice address 6160 S Yale Ave, Tulsa, OK, 74136
Phone (918) 495-2600
Fax (918) 497-3007
Enumeration date Apr 28, 2006
Last updated in NPPES Aug 5, 2013
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1178 (OK) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100062820A | 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 Mark Gillen?
The National Provider Identifier (NPI) for Mark Gillen is 1609833078, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Gillen 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 → John Morehead Podiatrist · Tulsa, OK NPI 1891794640 Christopher Gifford Allergy & Immunology Physician · Tulsa, OK NPI 1578562336 Dana Davis Adolescent Medicine (Internal Medicine) Physician · Tulsa, OK NPI 1255330023 James Anthamatten Ophthalmology Physician · Tulsa, OK NPI 1639178494 John King Surgery Physician · Tulsa, OK NPI 1467451237 Martin Scott Internal Medicine Physician · Tulsa, OK NPI 1427057264 Manuel Calvin Rheumatology Physician · Tulsa, OK NPI 1396744678 Donna Puckett Pediatrics Physician · Tulsa, OK NPI 1053310375
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-05.