NPPES file of Aug 9, 2026

David Ari Labowitz, DO

Gastroenterology Physician · Vernon Hills, IL

David Ari Labowitz, DO is a gastroenterology physician with a practice address in Vernon Hills, Illinois, and NPI 1376799577, issued on Aug 7, 2008. Check the license (Illinois 036.118214, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376799577
Name
David Ari Labowitz
Credential
DO
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036.118214 IL
Self-reported in NPPES; status is on the state search
Practice location
225 N Milwaukee Ave Ste 1500, Vernon Hills, IL 60061
Phone
(847) 657-1900
Enumerated
Aug 7, 2008
Record last updated
Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100819001218); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 2004
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 David Ari Labowitz 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 036.118214
    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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39% more Medicare Part D claims than the average gastroenterology physician in 2024

1,127 Medicare Part D claims for 488 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. David Labowitz1,127
  2. Specialty average811

Most prescribed

  1. Gavilyte-C247 claims
  2. Omeprazole212 claims
  3. Pantoprazole Sodium100 claims
  4. Linzess48 claims
  5. Famotidine33 claims
  6. Ondansetron Odt30 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

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

David Ari Labowitz among 887 gastroenterology physician records in Illinois

David Ari Labowitz, 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 2008, is newer than 55% of them.

  • NPI issued2008 · 55% of these records are older, 39% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2004 · median 2003 among the 643 with a school on file
  • Record last updated2021 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Lauren BloombergNorthbrook, IL 600621336776475
  2. Phillip Chung, MDNorthbrook, IL 600621639165947
  3. Claus Fimmel, MDNorthbrook, IL 600621568417780
  4. Jeffrey Nathanson, MDNorthbrook, IL 600621972559615
  5. Axel Feller, MDNorth Chicago, IL 600641932211919
  6. Pallavi Shah, MDNorth Chicago, IL 600641215049820
  7. Ami Behara, M.D.Mt Prospect, IL 600561336301027
  8. Aaron Benson, M.D.Mt Prospect, IL 600561164508453

Common questions

What is David Ari Labowitz, DO's NPI number?

David Ari Labowitz, DO's National Provider Identifier (NPI) is 1376799577, issued on Aug 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is David Ari Labowitz, DO located?

The NPPES record lists a practice address at 225 N Milwaukee Ave Ste 1500, Vernon Hills, IL, 60061. Phone: (847) 657-1900. Providers update this record themselves, so call before visiting.

How can I verify David Ari Labowitz, DO's license?

NPPES lists Illinois license number 036.118214, 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 David Ari Labowitz, DO prescribe under Medicare Part D?

In 2024, David Ari Labowitz, DO had 1,127 Medicare Part D claims for 488 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is David Ari Labowitz, DO's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. 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.