NPPES file of Aug 9, 2026

Evan Owen Foster Deranja, M.D., PH.D.

Psychiatry Physician · Oak Brook, IL

Evan Owen Foster Deranja, M.D., PH.D. is a psychiatry physician with a practice address in Oak Brook, Illinois, and NPI 1780849976, issued on Jul 28, 2008. Check the license (Illinois 036135873, 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
1780849976
Name
Evan Owen Foster Deranja
Credential
M.D., PH.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
036135873 IL
252775 NY
Self-reported in NPPES; status is on the state search
Practice location
2021 Midwest RD Ste 202, Oak Brook, IL 60523
Phone
(331) 222-7985
Enumerated
Jul 28, 2008
Record last updated
Jun 21, 2024
Fax
(331) 204-0796
Medicare enrollment
Enrolled (PECOS I20141216002066); accepts Medicare assignment
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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8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →

Also registered at 2021 Midwest RD Ste 202

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

  1. Erika Olson, MDPsychiatry Physician1457746752

Verify Evan Owen Foster Deranja 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 036135873    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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24% fewer Medicare Part D claims than the average psychiatry physician in 2024

762 Medicare Part D claims for 31 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Evan Deranja762
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl52 claims
  2. Divalproex Sodium Er38 claims
  3. Quetiapine Fumarate36 claims
  4. Dextroamphetamine-Amphetamine34 claims
  5. Duloxetine Hcl33 claims
  6. Gabapentin33 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: $27.90

1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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. Evan Deranja$27.90
  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. Psychiatry Physicians Group LLCOakbrook Terrace, IL

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

Evan Owen Foster Deranja among 2,147 psychiatry physician records in Illinois

Evan Owen Foster Deranja, M.D., PH.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 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 44% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2004 · median 2004 among the 877 with a school on file
  • Record last updated2024 · 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.

All 2,147 in Illinois → Every provider in Oak Brook → Psychiatry Physician nationwide →

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. Alexia Copenhaver, M.D.Oak Brook, IL 605231851825392
  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 Evan Owen Foster Deranja, M.D., PH.D.'s NPI number?

Evan Owen Foster Deranja, M.D., PH.D.'s National Provider Identifier (NPI) is 1780849976, issued on Jul 28, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Evan Owen Foster Deranja, M.D., PH.D. located?

The NPPES record lists a practice address at 2021 Midwest RD Ste 202, Oak Brook, IL, 60523. Phone: (331) 222-7985. Providers update this record themselves, so call before visiting.

How can I verify Evan Owen Foster Deranja, M.D., PH.D.'s license?

NPPES lists Illinois license number 036135873, 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 Evan Owen Foster Deranja, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Evan Owen Foster Deranja, M.D., PH.D. had 762 Medicare Part D claims for 31 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.

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.