Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark C Mason, M.D.
Surgery Physician in Medford, OR · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336124510
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Mark C Mason
Credential M.D.
Sex Male
Practice address 1698 E Mcandrews Rd, Suite 160, Medford, OR, 97504
Phone (541) 732-7874
Fax (541) 732-7875
Enumeration date Dec 12, 2005
Last updated in NPPES Oct 20, 2020
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 |
|---|---|---|---|
| 500651507 | Medicaid | OR | - |
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 Mason?
The National Provider Identifier (NPI) for Mark Mason is 1336124510, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Mason practice?
The practice location on file with NPPES is in Medford, OR. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Christopher Cannon Interventional Cardiology Physician · Medford, OR NPI 1487650586 Deidre Goldberg Nurse Practitioner · Medford, OR NPI 1407844525 Lisa Michelbrink Family Medicine Physician · Medford, OR NPI 1912989799 James Cook Cardiovascular Disease Physician · Medford, OR NPI 1134103344 Thong Bui Urology Physician · Medford, OR NPI 1073589651 Edward Barrows Urology Physician · Medford, OR NPI 1578539169 Jeffrey Solomon Physical Medicine & Rehabilitation Physician · Medford, OR NPI 1902852288 James Cruickshank Specialist · Medford, OR NPI 1215978283
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-20.