Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Mark Marsh
Psychologist in Taos, NM · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003905126
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name John Mark Marsh
Sex Male
Practice address 314 Don Fernando St, Taos, NM, 87571
Phone (505) 751-7037
Enumeration date Oct 12, 2006
Last updated in NPPES Jul 8, 2007
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 John Marsh?
The National Provider Identifier (NPI) for John Marsh is 1003905126, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Marsh 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 → Judy Vargas Clinical Social Worker · Taos, NM NPI 1184675662 Andrea Serna-Garcia Mental Health Counselor · Taos, NM NPI 1407945512 Thedra Martinez Addiction (Substance Use Disorder) Counselor · Taos, NM NPI 1568551679 Taos Group Home, Inc. Adolescent and Children Mental Health Clinic/Center · Taos, NM NPI 1649310749 Rita Santistevan Clinical Social Worker · Taos, NM NPI 1134306525 Casa De Corazon Community/Behavioral Health Agency · Taos, NM NPI 1548432065 Deborah Mirabal Case Manager/Care Coordinator · Taos, NM NPI 1538492616 Jeana Miera Case Manager/Care Coordinator · Taos, NM NPI 1437482528
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.