Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Byron A Santos-Flores, M.D.

Ophthalmology Physician in Des Peres, MO · enumerated 2007.

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

National Provider Identifier

1740307354

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Registry record

Entity type Individual (Type 1)

Name Dr. Byron A Santos-Flores

Credential M.D.

Sex Male

Practice address 12990 Manchester Rd, Suite 201, Des Peres, MO, 63131

Phone (314) 909-0633

Fax (314) 909-0391

Enumeration date Mar 26, 2007

Last updated in NPPES Sep 8, 2021

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License R9F62 (MO) 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
180013399	Other	-	MEDICARE RAILROAD
202336707	Medicaid	MO	-
4400520	Other	-	AETNA
12458	Other	-	OPTICARE
0800111	Other	-	UNITED HEALTHCARE
24308	Other	MO	ANTHEM BCBS
008248	Other	MO	EXCLUSIVE CHOICE
105378	Other	-	HEALTHLINK
48680	Other	MO	CMR INSURANCE PLAN

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.

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Frequently asked questions

What is the NPI number for Byron Santos-Flores?

The National Provider Identifier (NPI) for Byron Santos-Flores is 1740307354, a Type 1 (individual) record in the CMS NPPES registry.

Where does Byron Santos-Flores practice?

The practice location on file with NPPES is in Des Peres, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Robert Brusatti Optometrist · Saint Louis, MO NPI 1568460723 Gregg Berdy Ophthalmology Physician · Saint Louis, MO NPI 1376541540 Ranjan Malhotra Ophthalmology Physician · Saint Louis, MO NPI 1396743555 John Holds Plastic and Reconstructive Surgery Physician · Saint Louis, MO NPI 1134117732 Kirk Morey Ophthalmology Physician · St Louis, MO NPI 1457306516 George Bohigian Ophthalmology Physician · St Louis, MO NPI 1578508818 Gerald Fivian Ophthalmology Physician · St Louis, MO NPI 1700822731 David Brigham Ophthalmology Physician · St Louis, MO NPI 1780605212

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-08.