NPPES file of Aug 9, 2026

Carlos Humberto Santillan, MD

Nephrology Physician · Amarillo, TX

Carlos Humberto Santillan, MD is a nephrology physician with a practice address in Amarillo, Texas, and NPI 1053415646, issued on Sep 12, 2006. Check the license (Texas E4932, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053415646
Name
Carlos Humberto Santillan
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
E4932 TX
Self-reported in NPPES; status is on the state search
Practice location
5920 Amarillo Blvd W, Amarillo, TX 79106
Phone
(806) 353-9181
Enumerated
Sep 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(806) 359-5217
Medicaid ID
0000W9666 NM
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Carlos Humberto Santillan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E4932
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Carlos Humberto Santillan among 1,159 nephrology physician records in Texas

Carlos Humberto Santillan, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 53% newer
  • In a Medicare fileNo · 89% of these records are
  • In the CMS Doctors and Clinicians fileNo · 82% of these records are
  • Record last updated2007 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Texas

There are 1,159 nephrology physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 nephrology physician records with the nearest ZIP codes

  1. Milton Giron, MDAmarillo, TX 791061063585271
  2. Luzma Houseal, M.D.Amarillo, TX 791061043383268
  3. Georges Maliha, M.D.Amarillo, TX 791061770655763
  4. Miguel Rios, M.D.Amarillo, TX 791061568460384
  5. Adan Gonzalez, MDAmarillo, TX 791241528249745
  6. Daniel Hendrick, MDAmarillo, TX 791241295790707
  7. C SreenivasanAmarillo, TX 791241952376758
  8. Radha Kishan AdusumilliEagle Pass, TX 788521417441957

Common questions

What is Carlos Humberto Santillan, MD's NPI number?

Carlos Humberto Santillan, MD's National Provider Identifier (NPI) is 1053415646, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carlos Humberto Santillan, MD located?

The NPPES record lists a practice address at 5920 Amarillo Blvd W, Amarillo, TX, 79106. Phone: (806) 353-9181. Providers update this record themselves, so call before visiting.

How can I verify Carlos Humberto Santillan, MD's license?

NPPES lists Texas license number E4932, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.