NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Richard Day, M.D.

Critical Care Medicine (Internal Medicine) Physician in Marble Falls, TX · enumerated 2006.

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

National Provider Identifier

1710965066

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Richard Day
Credential M.D.
Sex Male
Practice address 810 W Highway 71, Marble Falls, TX, 78654
Phone (830) 201-8000
Enumeration date Jan 6, 2006
Last updated in NPPES May 19, 2021

Taxonomy & licenses

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License G8072 (TX) Secondary
207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License G8072 (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
131298511 Medicaid TX -
P01094716 Other TX RR MEDICARE
131298507 Medicaid TX -
131298508 Medicaid TX -
131298510 Medicaid TX -
1710965066 Other TX BLUE CROSS BLUE SHIELD
8AG195 Other TX BCBS
1312985-06 Medicaid TX -
131298509 Medicaid TX -

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 Richard Day?
The National Provider Identifier (NPI) for Richard Day is 1710965066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Richard Day practice?
The practice location on file with NPPES is in Marble Falls, TX. 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 2021-05-19.