Alejandro De Los Santos
Internal Medicine Physician · Tyler, TX
Alejandro De Los Santos is an internal medicine physician with a practice address in Tyler, Texas, and NPI 1558527846, issued on Aug 6, 2008. Check the license (Texas P4300, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alejandro De Los Santos
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P4300 TX
Self-reported in NPPES; status is on the state search - Practice location
- 800 E Dawson St, Tyler, TX 75701
- Phone
- (903) 606-4129
- Enumerated
- Aug 6, 2008
- Record last updated
- Jul 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20121009000550); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 800 E Dawson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Enyinnaya Abarikwu, MDInternal Medicine Physician1174788178
- Jamil Abbasi, M.D.Critical Care Medicine (Internal Medicine) Physician1033206602
- Yousef Abdel-Raziq, MDEmergency Medicine Physician1215432695
- Nikhil Acharya, M.DInternal Medicine Physician1780947135
- Oladimeji Akiode, MDHospitalist Physician1922078120
- Kashif Alauddin, M.D.Internal Medicine Physician1659506509
Verify Alejandro De Los Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P4300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
221 Medicare Part D claims for 100 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 22 claims were for opioids.
Most prescribed
- Eliquis33 claims
- Hydrocodone-Acetaminophen17 claims
- Albuterol Sulfate Hfa12 claims
- Ondansetron Hcl12 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.
Bills Medicare through one group practice
- North Texas Physician Services, PLLCTyler, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
146 internal medicine physician records list a practice address in Tyler
They are 146 of the 5,531 NPPES records with a practice address in Tyler, and 9,175 internal medicine physician records in Texas.
All 146 in Tyler → All 9,175 in Texas → Every provider in Tyler →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is Alejandro De Los Santos's NPI number?
Alejandro De Los Santos's National Provider Identifier (NPI) is 1558527846, issued on Aug 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Alejandro De Los Santos located?
The NPPES record lists a practice address at 800 E Dawson St, Tyler, TX, 75701. Phone: (903) 606-4129. Providers update this record themselves, so call before visiting.
How can I verify Alejandro De Los Santos's license?
NPPES lists Texas license number P4300, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alejandro De Los Santos prescribe under Medicare Part D?
In 2024, Alejandro De Los Santos had 221 Medicare Part D claims for 100 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.