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John Zajecka, MD

Enriched profile

Professor, Department of Psychiatry and Behavioral Sciences, Rush Medical College; Director, Woman's Board Depression Treatment and Research Center · Rush University Medical Center

ORCID↗NPI↗
✓ Full profile
Region🇺🇸 Skokie, IL · Midwest · United StatesSpecialtyPsychiatryFocusTreatment of Major Depression+4
Active KOLEmergingfindmyKOL type: EliteLatest publication2026Online presenceNone verifiedPayments2021–2025NIH funding2007–2013

John Zajecka is Professor, Department of Psychiatry and Behavioral Sciences, Rush Medical College; Director, Woman's Board Depression Treatment and Research Center at Rush University Medical Center. OpenAlex indexes 132 publications with 10,327 citations (h-index 48); ClinicalTrials.gov lists 8 registered studies with this person as an investigator. By OpenAlex citation count, this profile ranks in the top 10% of Psychiatry profiles in the findmyKOL directory.

Data verified 11 Oct 2026

Overview

Updated 14 Oct 2026

John Zajecka, M.D., is Professor, Department of Psychiatry and Behavioral Sciences, Rush Medical College at Rush University Medical Center. The public record shows 132 publications with 10,327 citations (h-index 48), centered on Treatment of Major Depression, Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes, Bipolar Disorder and Treatment. It also documents an investigator role on 8 registered clinical trials, industry payments reported by 42 companies, 2 NIH-funded awards (2007–2013).

  • Most recent indexed publication: 2026 · Neuropsychiatric disease and treatment
  • Top research focus: Treatment of Major Depression
  • 8 registered trials on ClinicalTrials.gov
  • Open Payments reporting from 42 companies

Generated from the cited public record · current as of 14 Oct 2026. Every fact links its source below.

Indications focus

from trials led + research topics
Depression (MDD)7 trialsMajor Depressive Disorder3 trialsDepressive Disorder, Treatment-Resistant3 trialsBipolar Disorder1 trialSchizophrenia

Research focus

OpenAlex concept fingerprint
Treatment of Major DepressionAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesBipolar Disorder and TreatmentElectroconvulsive Therapy StudiesSchizophrenia research and treatment

Drugs & molecules

across trials, industry payments and publications
Trintellixgeneric · VortioxetineClinical trials—Industry payments23Publications1Spravatogeneric · EsketamineClinical trials—Industry payments15Publications1SertralineClinical trials—Industry payments9Publications2Aristadageneric · Aripiprazole lauroxilClinical trials—Industry payments76Publications—Vraylargeneric · CariprazineClinical trials—Industry payments69Publications—Lybalvigeneric · Olanzapine / samidorphanClinical trials—Industry payments45Publications—Caplytageneric · LumateperoneClinical trials—Industry payments42Publications—Rexultigeneric · BrexpiprazoleClinical trials—Industry payments33Publications—Auvelitygeneric · Bupropion / dextromethorphanClinical trials—Industry payments25Publications—Cobenfygeneric · Trospium / xanomelineClinical trials—Industry payments24Publications—LorazepamClinical trials—Industry payments19Publications—Aplenzingeneric · BupropionClinical trials—Industry payments18Publications—

Works with

trial sponsors and companies reporting payments
Abbvie Inc.Clinical trials—Industry payments70Axsome Therapeutics, Inc.Clinical trials—Industry payments34Alkermes, Inc.Clinical trials—Industry payments27ITI, Inc.Clinical trials—Industry payments27Otsuka America Pharmaceutical, Inc.Clinical trials—Industry payments26Takeda Pharmaceuticals U.S.A., Inc.Clinical trials—Industry payments25E.R. Squibb & Sons, L.L.C.Clinical trials—Industry payments24Lundbeck LLCClinical trials—Industry payments22Almatica Pharma LLCClinical trials—Industry payments19Neurocrine BioSciences, Inc.Clinical trials—Industry payments18ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.)Clinical trials—Industry payments15LivaNova USA, Inc.Clinical trials—Industry payments14Bausch Health US, LLCClinical trials—Industry payments13Janssen Pharmaceuticals, IncClinical trials—Industry payments10Noven Therapeutics, LLCClinical trials—Industry payments9Jazz Pharmaceuticals Inc.Clinical trials—Industry payments8Teva Pharmaceuticals USA, Inc.Clinical trials—Industry payments8Janssen Scientific Affairs, LLCClinical trials—Industry payments7Alfasigma USA, Inc.Clinical trials—Industry payments5Biogen, Inc.Clinical trials—Industry payments5Corium, LLCClinical trials—Industry payments5Tris Pharma IncClinical trials—Industry payments5Abbott LaboratoriesClinical trials—Industry payments4Harmony Biosciences LLCClinical trials—Industry payments4Ironshore Pharmaceuticals Inc.Clinical trials—Industry payments4Novo Nordisk IncClinical trials—Industry payments4Uswm, LLCClinical trials—Industry payments4Vanda Pharmaceuticals Inc.Clinical trials—Industry payments4Azurity Pharmaceuticals, Inc.Clinical trials—Industry payments3Collegium Pharmaceutical, Inc.Clinical trials—Industry payments3

Scholarship

indexed output and impact (OpenAlex)
View publications ↓
132publications

Distinct works indexed by OpenAlex, matched via ORCID; 1 in PubMed.

10,327citations

Total citations across indexed works.

48h-index

Hirsch index (OpenAlex). i10-index 81.

Clinical & industry

trials, payments and federal funding
8clinical trials

Investigator role on registered studies.

View trials ↓
42companies · 2021–2025

Companies reporting payments to CMS. Facts, not judgments.

View payments ↓
2NIH grants · 2007–2013

Federally funded research awards.

View funding ↓

Contact

The practice address and phone this provider lists in the federal NPPES (CMS) registry.

Practice address

Telephone

Practice address and telephone from the federal NPPES registry.

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Clinical trials

Updated 14 Oct 2026

Listed as an investigator on 8 registered studies on ClinicalTrials.gov. The most recent:

Industry payments

Updated 14 Oct 2026

42 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:

Medicare prescribing footprint (2024)

The drugs this prescriber writes for Medicare patients, grouped by drug class and therapeutic area. Every percentage is a share of their total prescribing, so you can see what they prescribe most. These are proportions, not patient counts or dollar amounts. No condition is inferred: the claims record what was prescribed, never why.

  • Nervous system

    92.7%
    Benzodiazepine20.7%
    Clonazepam25%Alprazolam23%Diazepam18%Temazepam17%Lorazepam11%Oxazepam6%
    Part D<11 patients
    SSRI14.7%
    Paroxetine Hcl46%Trazodone Hcl33%Sertraline Hcl13%Escitalopram Oxalate9%
    Part D<11 patients

    + 12 more classes in this area

  • Metabolism & gastrointestinal

    4.2%
    Proton pump inhibitor4.2%
    Esomeprazole Magnesium100%
    Part D<11 patients
  • Cardiovascular

    3.1%
    Other lipid modifying agents2.1%
    Icosapent Ethyl100%
    Part D<11 patients
    Antiarrhythmic0.9%
    Lidocaine100%
    Part D<11 patients

Drug classes come from the WHO ATC and U.S. National Library of Medicine (RxClass) classifications; prescribing counts come from the CMS Medicare Part D Prescribers file. Each drug is counted once, under its primary class. Medicare fee-for-service only, so no Medicare Advantage, commercial, or pediatric prescribing is included. CMS publishes this data about 17 months after the fact.

NIH funding

Updated 14 Oct 2026

2 NIH research awards on record, funded 2007–2013 per NIH RePORTER. The latest:

Publications

Updated 14 Oct 2026

Their five most recent publications, matched to their ORCID record and linked to PubMed.

Network

Updated 14 Oct 2026

The people this person publishes with most, by number of co-authored papers. Names link to their own profile when we have one.

Richard Charles Shelton25David L. Dünner24Madhukar H. Trivedi16Maurizio Fava16Susan G. Kornstein12Patricio Riva‐Posse12JAN A. FAWCETT11Ziad H. Nahas10Harold A. Sackeïm10Alan F. Schatzberg10Philip T. Ninan10Michael E. Thase10Alan J. Gelenberg10Mark T. Bunker9Augustus John Rush9Christopher L. Kriedt9Brian J. Mickey9George I. Papakostas9Charles R. Conway9Yvette I. Sheline9Gustavo Alva9João Quevedo9James H. Kocsis9Robert M. A. Hirschfeld9Matthew Macaluso8Charles B. Nemeroff8Anthony J. Rothschild8Mark S. George7Edward S. Friedman7Rebecca M. Allen7Michael D. Banov7Jay D. Amsterdam7Cristina Cusin7Corey Goldstein7Walter J. Duffy7James M. Ferguson7Olivia Shy7Quyen Tran7Jerrold F. Rosenbaum7Martin B Keller6

Background & recognition

Updated 14 Oct 2026

Credentials, appointments and honors, newest first, each linked to the public source it came from.

Education

degrees and training on record
  • MD

    Loyola University Chicago Stritch School of Medicine

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →rushu.rush.edu ↗

Editorial & leadership roles

journal and society appointments
  • Scientific advisory board member

    National Depression and Bipolar Support Alliance

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →rushu.rush.edu ↗
  • Scientific advisory board member

    American Foundation for Suicide Prevention

    verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →rushu.rush.edu ↗

Every item links to where we found it. verified means we've confirmed it in more than one place; provisional means we found it and are still confirming.

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