NPPES file of Aug 9, 2026

Yilien Alonso, M.D.

Gastroenterology Physician · Scottsdale, AZ

Yilien Alonso, M.D. is a gastroenterology physician with a practice address in Scottsdale, Arizona, and NPI 1457779837, issued on Apr 2, 2014. Check the license (Arizona 76518, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457779837
Name
Yilien Alonso
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
76518 AZ
Self-reported in NPPES; status is on the state search
Practice location
10752 N 89TH PL Ste C134, Scottsdale, AZ 85260
Phone
(480) 860-1990
Enumerated
Apr 2, 2014
Record last updated
Jun 3, 2025
Fax
(480) 860-1887
Medicare enrollment
Enrolled (PECOS I20250612002729); accepts Medicare assignment
Medical or professional school
Florida International Univ, College Of Medicine, 2014
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Yilien Alonso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 76518
    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 Arizona 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.

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Industry payments in 2024: $72.13

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yilien Alonso$72.13
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Arizona Digestive Health PCScottsdale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yilien Alonso among 403 gastroenterology physician records in Arizona

Yilien Alonso, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2014 · median 2001 among the 295 with a school on file
  • Record last updated2025 · 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 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Arizona

There are 403 gastroenterology physician records in Arizona.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. S Kazi, M.D.,Scottsdale, AZ 852601164440293
  2. Derek Landan, MDScottsdale, AZ 852601477626810
  3. Mahmoud Yousfi, M.D.Scottsdale, AZ 852601689697732
  4. Akram Ahmad, MBBSScottsdale, AZ 852591588292304
  5. Abdullah Alkhattabi, MBBSScottsdale, AZ 852591942053590
  6. Azizullah Beran, MDScottsdale, AZ 852591487115341
  7. Hally Chaffin, MDScottsdale, AZ 852591295364107
  8. Chukwunonso Ezeani, MDScottsdale, AZ 852591164155644

Common questions

What is Yilien Alonso, M.D.'s NPI number?

Yilien Alonso, M.D.'s National Provider Identifier (NPI) is 1457779837, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Yilien Alonso, M.D. located?

The NPPES record lists a practice address at 10752 N 89TH PL Ste C134, Scottsdale, AZ, 85260. Phone: (480) 860-1990. Providers update this record themselves, so call before visiting.

How can I verify Yilien Alonso, M.D.'s license?

NPPES lists Arizona license number 76518, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. 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. 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.