Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miles Russell Day, MD

Q: What is the NPI number for Miles Day?

The National Provider Identifier (NPI) for Miles Day is 1891757654, a Type 1 (individual) record in the CMS NPPES registry.

Interventional Pain Medicine Physician in Lubbock, TX · enumerated 2006.

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

National Provider Identifier

1891757654

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Registry record

Entity type Individual (Type 1)

Name Miles Russell Day

Credential MD

Sex Male

Practice address 4515 Marsha Sharp Fwy, Lubbock, TX, 79407

Phone (806) 744-7223

Fax (806) 740-3325

Enumeration date Apr 5, 2006

Last updated in NPPES Nov 10, 2021

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License J6400 (TX) Secondary

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License J6400 (TX) 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
111392100	Other	TX	FIRSTCARE COMMERCIAL
202011568	Medicaid	NM	-
X2475	Medicaid	NM	-
100153300A	Medicaid	OK	-
82687Z	Other	TX	HMO BLUE
132763702	Medicaid	TX	-
132763703	Medicaid	TX	-
202011568	Other	NM	PRESBYETERIAN COMMERCIAL
111392101	Medicaid	TX	-
87171G	Other	TX	BC BS

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 Miles Day?

The National Provider Identifier (NPI) for Miles Day is 1891757654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Miles Day practice?

The practice location on file with NPPES is in Lubbock, TX. 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 2021-11-10.