Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark Flanery, MD

Q: What is the NPI number for Mark Flanery?

The National Provider Identifier (NPI) for Mark Flanery is 1255335840, a Type 1 (individual) record in the CMS NPPES registry.

Anesthesiology Physician in Auburn, WA · enumerated 2005.

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

National Provider Identifier

1255335840

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark Flanery

Credential MD

Sex Male

Practice address 202 N Division St, Auburn, WA, 98001

Phone (253) 833-7711

Enumeration date Jun 10, 2005

Last updated in NPPES Nov 9, 2007

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License MD00021275 (WA) 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
1016153	Medicaid	WA	-

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 Flanery?

The National Provider Identifier (NPI) for Mark Flanery is 1255335840, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Flanery practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-09.