Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Breandan Lawrence Sullivan, MD

Anesthesiology Physician in Denver, CO · enumerated 2007.

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

National Provider Identifier

1396940615

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Registry record

Entity type Individual (Type 1)

Name Dr. Breandan Lawrence Sullivan

Credential MD

Sex Male

Practice address 2045 N Franklin St, Denver, CO, 80205

Phone (303) 338-4545

Enumeration date Jun 18, 2007

Last updated in NPPES Mar 10, 2025

Taxonomy & licenses

207LC0200X Critical Care Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License DR.0048876 (CO) Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 48876 (CO) 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
27435342	Medicaid	CO	-
029625	Other	CO	KAISER COMMERCIAL NUMBER

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

Where does Breandan Sullivan practice?

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

What is the NPI number for Breandan Sullivan?

The National Provider Identifier (NPI) for Breandan Sullivan is 1396940615, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Mauricio Mejia Anesthesiology Physician · Denver, CO NPI 1093710352 Gail Evans Surgical Physician Assistant · Denver, CO NPI 1932105657 Kimberly Lundstrom Otolaryngology Physician · Denver, CO NPI 1548267644 Mina Lee Urology Physician · Denver, CO NPI 1659370773 Tony Sangchompuphen Diagnostic Radiology Physician · Denver, CO NPI 1104826916 Paul Stangl Diagnostic Radiology Physician · Denver, CO NPI 1114916921 Kara Baumann Surgical Physician Assistant · Denver, CO NPI 1548245020 John Raheb Surgery Physician · Denver, CO NPI 1730169566

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-10.