NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew James Vonfeldt, MD

Anesthesiology Physician in Bellingham, WA · enumerated 2006.

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

National Provider Identifier

1700807948

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Matthew James Vonfeldt
Credential MD
Sex Male
Practice address 2980 Squalicum Pkwy, Suite 105, Bellingham, WA, 98225
Phone (360) 647-3377
Fax (360) 752-3214
Enumeration date Jul 22, 2006
Last updated in NPPES Feb 29, 2008

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License MD00038923 (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
8281172 Medicaid WA -
50081525 Other WA MEDICARE RR

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 Matthew Vonfeldt?
The National Provider Identifier (NPI) for Matthew Vonfeldt is 1700807948, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Vonfeldt practice?
The practice location on file with NPPES is in Bellingham, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-02-29.