Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Carl J Walker, MD
Urology Physician in Spokane, WA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053301440
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Registry record
Entity type Individual (Type 1)
Name Dr. Carl J Walker
Credential MD
Sex Male
Practice address 1401 E Trent Ave # 200, Spokane, WA, 99202
Phone (509) 747-3147
Enumeration date Oct 26, 2005
Last updated in NPPES Jul 1, 2026
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 |
|---|---|---|---|
| 1053301440 | Other | CA | NPI |
| 200152410 | Medicaid | IN | - |
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 specialty is Carl Walker?
Carl Walker is registered in NPPES with the primary taxonomy of Urology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Bradford Nelson Urology Physician · Spokane, WA NPI 1962466045 Evan Carlos Urology Physician · Spokane, WA NPI 1063807477 Erin Quinn Physician Assistant · Spokane, WA NPI 1750749362 Duncan Sloan Urology Physician · Spokane, WA NPI 1124482385 Adrien Mulawka Nurse Practitioner · Spokane, WA NPI 1376089425 Justin Overhoff Medical Physician Assistant · Spokane, WA NPI 1508331836 Jessica Lucero Physician Assistant · Spokane, WA NPI 1982217089 Alexis Eitel Physician Assistant · Spokane, WA NPI 1457179558
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-01.