Dr. Matthew Christiansen PHD
About this NPIWhat this record shows.
NPI 1639136088 is registered to Dr. Matthew Christiansen PHD, a Clinical Psychologist practising at 115 E Havens Ave Ste 102 in Mitchell, South Dakota. Clinical Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Matthew Christiansen PHD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- SD449SD· Issued by DAKOTACARE
- 33171SD· Issued by SIOUX VALLEY HEALTH
- 9189SD· Issued by AVERA HEALTH
- 4995782SD· Issued by WELLMARK BC BS
Medicaid
- 91400318SD
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20040414001552Clinical PsychologistSD
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Matthew Christiansen PHD accepts. To confirm in-network status with your specific health plan, contact Dr. Matthew Christiansen PHD directly at (605) 299-2829.
Frequently asked
Yes. NPI 1639136088 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (605) 299-2829.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Matthew Christiansen PHD is a Type-1 individual NPI.