NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Spencer T Mellum, DO

Anesthesiology Physician in Carson City, NV · enumerated 2006.

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

National Provider Identifier

1811002793

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Spencer T Mellum
Credential DO
Sex Male
Practice address 1600 Medical Pkwy, Carson City, NV, 89703
Fax (702) 209-2064
Enumeration date Aug 20, 2006
Last updated in NPPES Aug 14, 2018

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 1232 (NV) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
1811002793 Medicaid NV -

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

Is NPI 1811002793 active?
Yes, as of the latest NPPES snapshot, NPI 1811002793 is active (record last updated 2018-08-14).
How do I verify Spencer Mellum's NPI record?
Cross-check NPI 1811002793 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-14.