Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Andrew Walter Sullivan, CAA

Anesthesiologist Assistant in Greenwood Village, CO · enumerated 2024.

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

National Provider Identifier

1629824537

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Registry record

Entity type Individual (Type 1)

Name Andrew Walter Sullivan

Credential CAA

Sex Male

Practice address 8000 E Maplewood Ave Ste 120, Greenwood Village, CO, 80111

Phone (303) 438-3999

Fax (720) 439-9500

Enumeration date Apr 30, 2024

Last updated in NPPES Nov 7, 2024

Taxonomy & licenses

367H00000X Anesthesiologist Assistant Physician Assistants & Advanced Practice Nursing Providers · License ANT.0000267 (CO) Primary

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.

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Frequently asked questions

Where does Andrew Sullivan practice?

The practice location on file with NPPES is in Greenwood Village, CO. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Andrew Sullivan?

The National Provider Identifier (NPI) for Andrew Sullivan is 1629824537, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-07.