NPPES file of Aug 9, 2026

Garrett David Obenauf, DMD

Dentist · Libertyville, IL

Garrett David Obenauf, DMD is a dentist with a practice address in Libertyville, Illinois, and NPI 1356969257, issued on Jul 8, 2020. Check the license (Illinois 019032778, as entered in NPPES) with the Illinois board that licenses this profession; 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
1356969257
Name
Garrett David Obenauf
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
019032778 IL
Self-reported in NPPES; status is on the state search
Practice location
1109 W Park Ave, Libertyville, IL 60048
Phone
(847) 367-1133
Enumerated
Jul 8, 2020
Record last updated
Jul 8, 2020 (not updated in 6 years: call before relying on the address or phone)
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.
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Verify Garrett David Obenauf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 019032778
    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
Find the Illinois license search

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70% fewer Medicare Part D claims than the average dentist in 2024

26 Medicare Part D claims for 24 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Garrett Obenauf26
  2. Specialty average86

Most prescribed

  1. Amoxicillin19 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: $473.43

4 payments; by number, the most common kind was education; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Garrett Obenauf$473.43
  2. Specialty average$540.36

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

Garrett David Obenauf among 4,522 dentist records in Illinois

Garrett David Obenauf, DMD is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 80% of them.

  • NPI issued2020 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 dentist records list a practice address in Libertyville

They are 19 of the 1,361 NPPES records with a practice address in Libertyville, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Zayneb Bahrani, D.D.S.Libertyville, IL 600481811097660
  2. Evan Goodman, D.D.S.Libertyville, IL 600481770506776
  3. Cesar HernandezLibrertyville, IL 600481124187455
  4. David Honey, DMDLibertyville, IL 600481699884213
  5. Bernie Jon, DDSLlibertyville, IL 600481114032471
  6. Lisa Konz, DDSLibertyville, IL 600481003917915
  7. Yelena Kozlovitser, DDSLibertyville, IL 600481013010651
  8. Diana Lacy, DDSLibertyville, IL 600481902999873

Common questions

What is Garrett David Obenauf, DMD's NPI number?

Garrett David Obenauf, DMD's National Provider Identifier (NPI) is 1356969257, issued on Jul 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Garrett David Obenauf, DMD located?

The NPPES record lists a practice address at 1109 W Park Ave, Libertyville, IL, 60048. Phone: (847) 367-1133. Providers update this record themselves, so call before visiting.

How can I verify Garrett David Obenauf, DMD's license?

NPPES lists Illinois license number 019032778, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Garrett David Obenauf, DMD prescribe under Medicare Part D?

In 2024, Garrett David Obenauf, DMD had 26 Medicare Part D claims for 24 beneficiaries; the average among dentist prescribers was 86. 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.