NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jayden Der, M.D.

Physical Medicine & Rehabilitation Physician in Appleton, WI · enumerated 2011.

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

National Provider Identifier

1659659282

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Jayden Der
Credential M.D.
Sex Male
Practice address 2400 E Capitol Dr, Appleton, WI, 54911
Phone (920) 831-5050
Fax (920) 738-6507
Enumeration date Aug 1, 2011
Last updated in NPPES Jun 7, 2023

Taxonomy & licenses

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 4301098870 (MI) Secondary
208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 65587 (WI) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
1659659282 Medicaid WI -

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 Jayden Der?
The National Provider Identifier (NPI) for Jayden Der is 1659659282, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jayden Der practice?
The practice location on file with NPPES is in Appleton, WI. 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 2023-06-07.