NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jason R Friedlander, M.D.

Pediatrics Physician in Mount Pleasant, WI · enumerated 2005.

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

National Provider Identifier

1558356816

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Jason R Friedlander
Credential M.D.
Sex Male
Practice address 3805b Spring St Ste 130, Mount Pleasant, WI, 53405
Fax (262) 631-8754
Enumeration date Sep 13, 2005
Last updated in NPPES Feb 1, 2022

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 40124 (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
32627700 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 Jason Friedlander?
The National Provider Identifier (NPI) for Jason Friedlander is 1558356816, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jason Friedlander practice?
The practice location on file with NPPES is in Mount Pleasant, 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 2022-02-01.