NPPES file of Aug 9, 2026

Arden Davis Barnett, M.D.

Psychiatry Physician · Gurnee, IL

Arden Davis Barnett, M.D. is a psychiatry physician with a practice address in Gurnee, Illinois, and NPI 1891765095, issued on Jan 23, 2006. Check the license (Illinois 036072114, 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
1891765095
Name
Arden Davis Barnett
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
036072114 IL
01060002A IN
Self-reported in NPPES; status is on the state search
Practice location
200 S Greenleaf St, Gurnee, IL 60031
Phone
(847) 244-5660
Enumerated
Jan 23, 2006
Record last updated
Aug 1, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(847) 244-5669
Medicaid ID
200520270 IN
Medicare enrollment
Enrolled (PECOS I20120627000166); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1984
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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Also registered at 200 S Greenleaf St

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

  1. Albino Bismonte, MDPediatrics Physician1366510281
  2. James Macrowski, DDSDentist1407966989
  3. Kelly Mularkey, PA-CSurgical Physician Assistant1295247559
  4. Frank Sun, MDObstetrics & Gynecology Physician1457340887
  5. Lambros Tsonis, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1356504278

Verify Arden Davis Barnett 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 036072114
    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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87% fewer Medicare Part D claims than the average psychiatry physician in 2024

134 Medicare Part D claims for 18 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Arden Barnett134
  2. Specialty average1,000

Most prescribed

  1. Fluoxetine Hcl28 claims
  2. Bupropion Xl21 claims
  3. Concerta20 claims
  4. Memantine Hcl11 claims
  5. Methylphenidate Er11 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.

Bills Medicare through one group practice

  1. Carle Health Care IncorporatedChampaign, IL

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

Arden Davis Barnett among 2,147 psychiatry physician records in Illinois

Arden Davis Barnett, M.D. is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 65% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1984 · median 2004 among the 877 with a school on file
  • Record last updated2013 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Illinois

There are 2,147 psychiatry physician records in Illinois.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Bulbul Bahuguna, MDHighland Park, IL 600351912981366
  2. Lee Becker, MDHighland Park, IL 600351407952658
  3. Arnold Dinner, MDHighland Park, IL 600351144388307
  4. Michelle FieldHighland Park, IL 600351639106693
  5. Lauren JackerHighland Park, IL 600351154320042
  6. Phyllis Loeff, M.D.Highland Park, IL 600351720140163
  7. Joshua Nathan, MDHighland Park, IL 600351720048572
  8. Bruce Roberts, MDHighland Park, IL 600351912974684

Common questions

What is Arden Davis Barnett, M.D.'s NPI number?

Arden Davis Barnett, M.D.'s National Provider Identifier (NPI) is 1891765095, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arden Davis Barnett, M.D. located?

The NPPES record lists a practice address at 200 S Greenleaf St, Gurnee, IL, 60031. Phone: (847) 244-5660. Providers update this record themselves, so call before visiting.

How can I verify Arden Davis Barnett, M.D.'s license?

NPPES lists Illinois license number 036072114, 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 Arden Davis Barnett, M.D. prescribe under Medicare Part D?

In 2024, Arden Davis Barnett, M.D. had 134 Medicare Part D claims for 18 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.