NPPES file of Aug 9, 2026

Alexia Copenhaver, M.D.

Psychiatry Physician · Oak Brook, IL

Alexia Copenhaver, M.D. is a psychiatry physician with a practice address in Oak Brook, Illinois, and NPI 1851825392, issued on Apr 11, 2017. Check the license (Illinois 150963, 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
1851825392
Name
Alexia Copenhaver
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
150963 IL
Self-reported in NPPES; status is on the state search
Practice location
1200 Harger RD Ste 200, Oak Brook, IL 60523
Phone
(630) 607-0387
Enumerated
Apr 11, 2017
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20221223000573); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 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.
Download card Updates feed

Also registered at 1200 Harger RD Ste 200

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

  1. Ximena Arroyo Estrada, LPCProfessional Counselor1174409676
  2. Mandy Lusung, PMHNPPsychiatric/Mental Health Nurse Practitioner1992403760
  3. Samantha Lynch, APRNPsychiatric/Mental Health Nurse Practitioner1508551326
  4. Abid Nazeer, M.D.Psychiatry Physician1114129921
  5. Alexander Whalen, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1265309777

Verify Alexia Copenhaver 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 150963
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

83% fewer Medicare Part D claims than the average psychiatry physician in 2024

167 Medicare Part D claims for 38 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Alexia Copenhaver167
  2. Specialty average1,000

Most prescribed

  1. Venlafaxine Hcl Er17 claims
  2. Fluoxetine Hcl14 claims
  3. Trazodone Hcl12 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: $32.16

2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexia Copenhaver$32.16
  2. Specialty average$4,954.93

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. Mount Sinai Community FoundationChicago, IL

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

Alexia Copenhaver among 2,147 psychiatry physician records in Illinois

Alexia Copenhaver, 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 2017, is newer than 73% of them.

  • NPI issued2017 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2017 · median 2004 among the 877 with a school on file
  • Record last updated2022 · 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).

18 psychiatry physician records list a practice address in Oak Brook

They are 18 of the 950 NPPES records with a practice address in Oak Brook, and 2,147 psychiatry physician records in Illinois.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Mohammed Alam, MDOak Brook, IL 605231447549688
  2. Dima Arbach, M.D.Oak Brook, IL 605231760739114
  3. Thomas Byrne, MDOak Brook, IL 605231225047293
  4. Evan Deranja, M.D., PH.D.Oak Brook, IL 605231780849976
  5. Farozan Islam, DOOak Brook, IL 605231750426540
  6. Andrew Kowalkowski, M.D.Oak Brook, IL 605231154517951
  7. Kumar Moolayil, M.DOak Brook, IL 605231134215569
  8. Lavinia Myers, MDOak Brook, IL 605231821194325

Common questions

What is Alexia Copenhaver, M.D.'s NPI number?

Alexia Copenhaver, M.D.'s National Provider Identifier (NPI) is 1851825392, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Alexia Copenhaver, M.D. located?

The NPPES record lists a practice address at 1200 Harger RD Ste 200, Oak Brook, IL, 60523. Phone: (630) 607-0387. Providers update this record themselves, so call before visiting.

How can I verify Alexia Copenhaver, M.D.'s license?

NPPES lists Illinois license number 150963, 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 Alexia Copenhaver, M.D. prescribe under Medicare Part D?

In 2024, Alexia Copenhaver, M.D. had 167 Medicare Part D claims for 38 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.