Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Terry Spark Corwin, MD
Urology Physician in Everett, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912954744
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Registry record
Entity type Individual (Type 1)
Name Terry Spark Corwin
Credential MD
Sex Male
Practice address 4310 Colby Ave, Suite 203, Everett, WA, 98203
Phone (425) 252-8102
Fax (425) 339-0835
Enumeration date May 27, 2006
Last updated in NPPES Aug 7, 2024
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 |
|---|---|---|---|
| 0160332 | Other | WA | LABOR AND INDUSTRY |
| 340020074 | Other | WA | RAILROAD MEDICARE |
| MD00040591 | Other | WA | STATE LICENSE NUMBER |
| 8311342 | Medicaid | WA | - |
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 Terry Corwin?
The National Provider Identifier (NPI) for Terry Corwin is 1912954744, a Type 1 (individual) record in the CMS NPPES registry.
Where does Terry Corwin practice?
The practice location on file with NPPES is in Everett, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gary Stack Urology Physician · Everett, WA NPI 1487694535 Brian Fong Urology Physician · Everett, WA NPI 1407888910 Kristin Schaaf Clinical Psychologist · Everett, WA NPI 1063428464 Willow Radford Massage Therapist · Everett, WA NPI 1457416471 Anne Niggemeyer Psychologist · Everett, WA NPI 1174845804
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-07.