Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marcos John Riddle
Counselor in Taos, NM · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235435660
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Registry record
Entity type Individual (Type 1)
Name Marcos John Riddle
Sex Male
Practice address 118 Este Es Rd Unit A, Taos, NM, 87571
Phone (575) 758-7263
Fax (575) 758-3535
Enumeration date Feb 2, 2011
Last updated in NPPES Feb 2, 2011
Taxonomy & licenses
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 Marcos Riddle?
The National Provider Identifier (NPI) for Marcos Riddle is 1235435660, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marcos Riddle practice?
The practice location on file with NPPES is in Taos, NM. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-02-02.