Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Ralph William Grobman, D.C.
Chiropractor in Keizer, OR · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730366147
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Registry record
Entity type Individual (Type 1)
Name Mr. Ralph William Grobman
Credential D.C.
Sex Male
Practice address 4575 River Rd N Ste A, Keizer, OR, 97303
Phone (503) 304-2225
Fax (503) 304-2226
Enumeration date Jan 28, 2008
Last updated in NPPES Jul 7, 2008
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
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 Ralph Grobman practice?
The practice location on file with NPPES is in Keizer, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ralph Grobman?
The National Provider Identifier (NPI) for Ralph Grobman is 1730366147, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-07.