NPPES file of Aug 9, 2026

Guoshi C. Zhang, MD

Psychiatry Physician · Aurora, IL

Guoshi C. Zhang, MD is a psychiatry physician with a practice address in Aurora, Illinois, and NPI 1528164829, issued on Sep 15, 2006. Check the license (Illinois 036-109772, 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
1528164829
Name
Guoshi C. Zhang
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
036-109772 IL
Self-reported in NPPES; status is on the state search
Practice location
2285 Sequoia Dr, Aurora, IL 60506
Phone
(630) 859-6700
Enumerated
Sep 15, 2006
Record last updated
Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
036109772 IL
Medicare enrollment
Enrolled (PECOS I20100907000863); 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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Also registered at 2285 Sequoia Dr

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

  1. Abhijeet Ahluwalia, PTPhysical Therapist1487172342
  2. Maria Arzadon-Mercado, RN, MS, FNPNurse Practitioner1356448872
  3. Marisa Barnett, APNObstetrics & Gynecology Nurse Practitioner1447444567
  4. Randall Bennett, LCPC,LMFTProfessional Counselor1194835702
  5. Shelley Benson, L.C.S.W.Clinical Social Worker1346515715
  6. Linda Benton, LCSW, CADCClinical Social Worker1881675023

Verify Guoshi C. Zhang 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 036-109772
    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.

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6.2 times the Medicare Part D claims of the average psychiatry physician in 2024

6,205 Medicare Part D claims for 431 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 14 claims were for opioids.

  1. Guoshi Zhang6,205
  2. Specialty average1,000

Most prescribed

  1. Clonazepam453 claims
  2. Quetiapine Fumarate387 claims
  3. Aripiprazole295 claims
  4. Lamotrigine282 claims
  5. Fluoxetine Hcl275 claims
  6. Escitalopram Oxalate264 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: $220.36

3 payments; by number, the most common kind was food and beverage; the largest payer was Supernus 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. Guoshi Zhang$220.36
  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. Advocate Health And Hospitals CorporationAurora, IL

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

Guoshi C. Zhang among 2,147 psychiatry physician records in Illinois

Guoshi C. Zhang, MD 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
  • Graduated1985 · median 2004 among the 877 with a school on file
  • Record last updated2021 · 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. Ramon Alvarez-Leonardo, MDAurora, IL 605061861425365
  2. J Richard Gallagher, M DAurora, IL 605061548322639
  3. Bindu Gandhiraj, M.D.Aurora, IL 605061063562080
  4. Steve Herrin, M.D., M.P.H.Aurora, IL 605061427007426
  5. David Leader, MDAurora, IL 605061609885474
  6. Nageswara Nagarakanti, M.DAurora, IL 605061134250582
  7. Stanley Okon, M.D.Aurora, IL 605061023243334
  8. Andrei Pankov, M.D.Aurora, IL 605061225285703

Common questions

What is Guoshi C. Zhang, MD's NPI number?

Guoshi C. Zhang, MD's National Provider Identifier (NPI) is 1528164829, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Guoshi C. Zhang, MD located?

The NPPES record lists a practice address at 2285 Sequoia Dr, Aurora, IL, 60506. Phone: (630) 859-6700. Providers update this record themselves, so call before visiting.

How can I verify Guoshi C. Zhang, MD's license?

NPPES lists Illinois license number 036-109772, 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 Guoshi C. Zhang, MD prescribe under Medicare Part D?

In 2024, Guoshi C. Zhang, MD had 6,205 Medicare Part D claims for 431 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.