Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heather A Thiessen, CRNA

Certified Registered Nurse Anesthetist in Springfield, MO · enumerated 2007.

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

National Provider Identifier

1811035108

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Registry record

Entity type Individual (Type 1)

Name Heather A Thiessen

Credential CRNA

Sex Female

Practice address 1235 E Cherokee St, Springfield, MO, 65804

Phone (417) 820-2829

Fax (417) 820-8852

Enumeration date Feb 1, 2007

Last updated in NPPES Jul 11, 2008

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 146958 (MO) Primary

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

Other identifiers

Identifier	Type	State	Issuer
917262800	Medicaid	MO	-
99702	Other	AR	ARK BLUE SHIELD
159876001	Medicaid	AR	-
175118	Other	MO	MO BLUE SHIELD

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 Heather Thiessen?

The National Provider Identifier (NPI) for Heather Thiessen is 1811035108, a Type 1 (individual) record in the CMS NPPES registry.

Where does Heather Thiessen practice?

The practice location on file with NPPES is in Springfield, MO. 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 2008-07-11.