NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Brett Joseph Vassallo, M.D.

Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician in Park Ridge, IL · enumerated 2006.

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

National Provider Identifier

1386654408

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Brett Joseph Vassallo
Credential M.D.
Sex Male
Practice address 1875 Dempster St, #665, Park Ridge, IL, 60068
Fax (847) 825-1604
Enumeration date Aug 9, 2006
Last updated in NPPES Jun 16, 2026

Taxonomy & licenses

207VG0400X Gynecology Physician Allopathic & Osteopathic Physicians · License 036097455 (IL) Secondary
207VF0040X Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician Allopathic & Osteopathic Physicians · License 036097455 (IL) 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
036097455 Medicaid IL -

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 Brett Vassallo?
The National Provider Identifier (NPI) for Brett Vassallo is 1386654408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brett Vassallo practice?
The practice location on file with NPPES is in Park Ridge, IL. 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 2026-06-16.