Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Clark Michael Johnson, D.C.
Chiropractor in Sacramento, CA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841527033
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Registry record
Entity type Individual (Type 1)
Name Dr. Clark Michael Johnson
Credential D.C.
Sex Male
Practice address 1221 Alhambra Blvd, Suite 105, Sacramento, CA, 95816
Phone (916) 451-5552
Fax (916) 451-0756
Enumeration date Nov 9, 2009
Last updated in NPPES Nov 9, 2009
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 Clark Johnson practice?
The practice location on file with NPPES is in Sacramento, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Clark Johnson?
The National Provider Identifier (NPI) for Clark Johnson is 1841527033, 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 2009-11-09.