Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Duwayne David Schlittenhard, R.PH.

Pharmacist in Bismarck, ND · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1528287570

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Registry record

Entity type Individual (Type 1)

Name Duwayne David Schlittenhard

Credential R.PH.

Sex Male

Practice address 900 E Broadway Ave, Bismarck, ND, 58501

Phone (701) 530-7620

Fax (701) 530-7623

Enumeration date Apr 25, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 3559 (ND) Primary

RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Duwayne Schlittenhard?

The National Provider Identifier (NPI) for Duwayne Schlittenhard is 1528287570, a Type 1 (individual) record in the CMS NPPES registry.

Where does Duwayne Schlittenhard practice?

The practice location on file with NPPES is in Bismarck, ND. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.