Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Mark Anthony Toth, CRNA

Q: What is the NPI number for Mark Toth?

The National Provider Identifier (NPI) for Mark Toth is 1427420900, a Type 1 (individual) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Crown Point, IN · enumerated 2015.

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

National Provider Identifier

1427420900

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Registry record

Entity type Individual (Type 1)

Name Mr. Mark Anthony Toth

Credential CRNA

Sex Male

Practice address Crown Point, IN, 46307

Phone (219) 743-9794

Enumeration date Oct 23, 2015

Last updated in NPPES Oct 23, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 041.394450 (IL) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA 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 Mark Toth?

The National Provider Identifier (NPI) for Mark Toth is 1427420900, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Toth practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-23.