NPPES file of Aug 9, 2026

Alexis Serrano, DO

Gastroenterology Physician · Orland Park, IL

Alexis Serrano, DO is a gastroenterology physician with a practice address in Orland Park, Illinois, and NPI 1790218469, issued on Apr 9, 2017. Check the license (Illinois 036171309, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1790218469
Name
Alexis Serrano
Credential
DO
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
036171309 IL
OS19641 FL
Self-reported in NPPES; status is on the state search
Practice location
15300 West Ave Ste 210, Orland Park, IL 60462
Phone
(708) 226-2870
Enumerated
Apr 9, 2017
Record last updated
Sep 16, 2024
Fax
(708) 226-2315
Medicare enrollment
Enrolled (PECOS I20240814001806); accepts Medicare assignment
Medical or professional school
Nova Southeastern College Of Osteo Medicine, 2017
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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8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →

Also registered at 15300 West Ave Ste 210

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ahmad Alkaddour, M.D.Gastroenterology Physician1659660272
  2. Joshua Batayeh, AGACNPNurse Practitioner1679246979
  3. Melissa Beno-Tokarz, LCSWClinical Social Worker1235508714
  4. Maki Cronin, APRN, CNPNurse Practitioner1558899377
  5. Andre Culpepper, MDNeurology Physician1801208459
  6. Catherine Daley, M.D.Neuromuscular Medicine (Psychiatry & Neurology) Physician1053792846

Verify Alexis Serrano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036171309    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 Illinois license search

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78% fewer Medicare Part D claims than the average gastroenterology physician in 2024

176 Medicare Part D claims for 94 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Alexis Serrano176
  2. Specialty average811

Most prescribed

  1. Omeprazole40 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf33 claims
  3. Pantoprazole Sodium26 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.

Industry payments in 2024: $693.58

24 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. Alexis Serrano$693.58
  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. Northwestern Medical Faculty FoundationOrland Park, IL

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

Alexis Serrano among 887 gastroenterology physician records in Illinois

Alexis Serrano, DO is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 82% of them.

  • NPI issued2017 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2017 · median 2003 among the 643 with a school on file
  • Record last updated2024 · 49% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

All 887 in Illinois → Every provider in Orland Park → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Ahmad Alkaddour, M.D.Orland Park, IL 604621659660272
  2. Jatinder Goyal, MDOrland Park, IL 604621760772925
  3. Ayodele Osowo, MDOrland Park, IL 604621063552479
  4. Tarun Patel, M.D.Orland Park, IL 604621912285255
  5. Richard Aaronson, M.D.Olympia Fields, IL 604611578520656
  6. Amer Alsamman, MDOlympia Fields, IL 604611558701540
  7. Nicholas BaurOlympia Fields, IL 604611144783309
  8. Rick Chadha, M.D.Palos Heights, IL 604631992770598

Common questions

What is Alexis Serrano, DO's NPI number?

Alexis Serrano, DO's National Provider Identifier (NPI) is 1790218469, issued on Apr 9, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Alexis Serrano, DO located?

The NPPES record lists a practice address at 15300 West Ave Ste 210, Orland Park, IL, 60462. Phone: (708) 226-2870. Providers update this record themselves, so call before visiting.

How can I verify Alexis Serrano, DO's license?

NPPES lists Illinois license number 036171309, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexis Serrano, DO prescribe under Medicare Part D?

In 2024, Alexis Serrano, DO had 176 Medicare Part D claims for 94 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.