Byron A. Santos-Flores, M.D.
Ophthalmology Physician · Des Peres, MO
Byron A. Santos-Flores, M.D. is an ophthalmology physician with a practice address in Des Peres, Missouri, and NPI 1740307354, issued on Mar 26, 2007. Check the license (Missouri R9F62, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Byron A. Santos-Flores
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- R9F62 MO
Self-reported in NPPES; status is on the state search - Practice location
- 12990 Manchester RD, Des Peres, MO 63131
- Phone
- (314) 909-0633
- Enumerated
- Mar 26, 2007
- Record last updated
- Sep 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 909-0391
- Medicaid ID
- 202336707 MO
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 342 in Missouri → Look up another NPI →
Also registered at 12990 Manchester RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Carr, ANPAdult Health Nurse Practitioner1801147962
- Michelle DerheimerOptometrist1265873475
- Tara Weirich, CRNACertified Registered Nurse Anesthetist1104004134
Verify Byron A. Santos-Flores in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R9F62Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average ophthalmology physician in 2024
145 Medicare Part D claims for 72 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth37 claims
- Cephalexin19 claims
- Eliquis12 claims
- Valacyclovir12 claims
- Tobramycin-Dexamethasone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $101.11
5 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Byron A. Santos-Flores among 342 ophthalmology physician records in Missouri
Byron A. Santos-Flores, M.D. is one of 342 ophthalmology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 61% of them.
- NPI issued2007 · 61% of these records are older, 31% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 ophthalmology physician records list a practice address in Des Peres
They are 5 of the 140 NPPES records with a practice address in Des Peres, and 342 ophthalmology physician records in Missouri.
All 342 in Missouri → Every provider in Des Peres → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Josh Amato, M.D.Des Peres, MO 631311467401828
- Gregg Berdy, M.D.Saint Louis, MO 631311376541540
- George Bohigian, MDSt Louis, MO 631311578508818
- David Brigham, MDSt Louis, MO 631311780605212
- Eric Chiu, M.D.Saint Louis, MO 631311538171921
- Michael Donahoe, MDDes Peres, MO 631311770572067
- Gerald Fivian, MD, FACSSt Louis, MO 631311700822731
- Joseph Gira, MDDes Peres, MO 631311861481152
Common questions
What is Byron A. Santos-Flores, M.D.'s NPI number?
Byron A. Santos-Flores, M.D.'s National Provider Identifier (NPI) is 1740307354, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Byron A. Santos-Flores, M.D. located?
The NPPES record lists a practice address at 12990 Manchester RD, Des Peres, MO, 63131. Phone: (314) 909-0633. Providers update this record themselves, so call before visiting.
How can I verify Byron A. Santos-Flores, M.D.'s license?
NPPES lists Missouri license number R9F62, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Byron A. Santos-Flores, M.D. prescribe under Medicare Part D?
In 2024, Byron A. Santos-Flores, M.D. had 145 Medicare Part D claims for 72 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Byron A. Santos-Flores, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.