Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Carl Stevens Hammer, MD
Surgery Physician in Tacoma, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235218363
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Registry record
Entity type Individual (Type 1)
Name Dr. Carl Stevens Hammer
Credential MD
Sex Male
Practice address 1708 East 44th Street, Eastside Tanbara Medical, Tacoma, WA, 98404
Phone (253) 471-4553
Fax (253) 474-5396
Enumeration date Nov 2, 2006
Last updated in NPPES Aug 20, 2010
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 |
|---|---|---|---|
| 1983778 | 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
Where does Carl Hammer practice?
The practice location on file with NPPES is in Tacoma, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Carl Hammer?
The National Provider Identifier (NPI) for Carl Hammer is 1235218363, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-20.