NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alec Frank Krosser, MD

Vascular Surgery Physician in Danbury, CT · enumerated 2019 · practices at Pediatric Associates of Western Ct.

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

National Provider Identifier

1306308648

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Alec Frank Krosser
Credential MD
Sex Male
Practice address 41 Germantown Rd, Danbury, CT, 06810
Phone (203) 794-5680
Enumeration date Apr 4, 2019
Last updated in NPPES Apr 29, 2026

Taxonomy & licenses

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 84606 (CT) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Alec Krosser?
The National Provider Identifier (NPI) for Alec Krosser is 1306308648, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alec Krosser practice?
The practice location on file with NPPES is in Danbury, CT. 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 2026-04-29.