Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Charles Welke, PHD
Psychologist in Grand Forks, ND · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1790741999
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Registry record
Entity type Individual (Type 1)
Name Mr. Charles Welke
Credential PHD
Sex Male
Practice address 3535 S 31st St Ste 201, Grand Forks, ND, 58201
Phone (701) 780-6821
Fax (701) 780-1973
Enumeration date Apr 25, 2006
Last updated in NPPES Sep 7, 2018
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 26420 | Other | ND | ND BC/BS |
| 13679 | Medicaid | ND | - |
| 298P6WE | Other | MN | MN BC/BS |
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 Charles Welke practice?
The practice location on file with NPPES is in Grand Forks, ND. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Charles Welke?
The National Provider Identifier (NPI) for Charles Welke is 1790741999, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Tiram Gamliel Professional Counselor · Grand Forks, ND NPI 1104882935 Catherine Yeager Clinical Child & Adolescent Psychologist · Grand Forks, ND NPI 1770549032 David Jackson Psychologist · Grand Forks, ND NPI 1801853775 Debbie Oberg Social Worker · Grand Forks, ND NPI 1164512265 Peter Schmutzer Clinical Psychologist · Grand Forks, ND NPI 1477623866 Erin Haugen Clinical Psychologist · Grand Forks, ND NPI 1528276458 Shyla Muse Clinical Child & Adolescent Psychologist · Grand Forks, ND NPI 1972756583 Desiree Jagow-France Clinical Psychologist · Grand Forks, ND NPI 1164797874
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-07.