Dr. John Querques, MD

  • Belmont, MA
  • Psychiatrist
NPI1447240833PAC ID5698678050
Medicare services, 2024
168
Medicare patients, 2024
32
Part D claims, 2024
57
Publications
15
Hospital affiliations
1
Practice address
115 Mill Street, Belmont, MA 02478
Practice phone
Call (617) 855-3450
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

McLean Hospital

Hospital · Belmont, Massachusetts

See all 3 affiliations

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Dr. John Querques is a psychiatrist in Belmont, Massachusetts

Dr. Querques practices at McLean Hospital in Belmont, Massachusetts, part of Mass General Brigham.

Dr. Querques' NPI, 1447240833, was assigned on October 26, 2005. Dr. Querques holds Massachusetts license 152871.

NPI and contact details
Medicare PAC ID
5698678050
NPI enumeration date
October 26, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 855-3450
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Querques practices at McLean Hospital in Belmont, Massachusetts

Dr. Querques' primary practice is McLean Hospital, at 115 Mill Street, Belmont, MA 02478 in Middlesex County. The practice phone is (617) 855-3450.

  • McLean Hospital
    115 Mill Street, Belmont, MA 02478 · Middlesex CountyPhone(617) 855-3450

Source: Dmand AI Affiliation Data

Dr. John Querques is affiliated with 1 site of care and 2 medical groups

Dr. Querques' primary practice is McLean Hospital in Belmont, Massachusetts, part of Mass General Brigham. The medical group on file is Pratt Associates. Dmand AI also links Dr. Querques to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Querques

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Querques' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Querques practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
McLean HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Querques is one of 1,857 psychiatrists in Massachusetts

Psychiatry is Dr. Querques' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Querques is licensed in Massachusetts.

Specialties and state licenses

  • Psychiatry, MassachusettsPrimaryLicense 152871 · taxonomy 2084P0800X

Psychiatrists near Dr. Querques

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Querques billed Medicare for 168 services in 2024

CMS data shows 168 Medicare services from Dr. Querques across 2 procedure codes in 2024, for 32 Medicare patients. Medicare paid $17,033 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024168
Medicare patients32
Paid by Medicare$17,033
Procedure codes2

Dr. Querques' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3582024: 16853%

Dr. Querques compared with the Massachusetts median for psychiatrists, 2024

  • Dr. Querques
  • Massachusetts median
Medicare services
168vs 172Close to median
Medicare patients
32vs 4224% below
Part D claims
20vs 9278% below

Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Querques' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Querques

Need commercial claims for Dr. Querques?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Querques and other psychiatrists in Massachusetts.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Querques treated 32 Medicare patients in 2024, average age 57

CMS counts 32 Medicare patients who saw Dr. Querques in 2024. 75% of them have anxiety, and 75% have mood disorders. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Querques' median patient age at 49, with 58% women.

Medicare patients, 202432
Average age57
Average risk score1.46

Dr. Querques' Medicare patients by sex, 2024

  • Women1753%
  • Men1547%

Chronic conditions among Dr. Querques' Medicare patients, 2024

  1. Anxiety75%
  2. Mood disorders75%
  3. Schizophrenia and other psychoses75%
  4. Bipolar disorder66%
  5. Depression66%
  6. High cholesterol66%
  7. High blood pressure56%
  8. Alcohol and drug use disorders53%

Share of Medicare patients with each condition. A patient can have several.

Dr. Querques' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women58%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Querques wrote 57 Medicare Part D claims in 2024

In 2024, Dr. Querques wrote 57 Medicare Part D claims. 98% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $167 in total drug cost. In 2023, CMS named 58 claims across 4 drugs.

Part D claims, 202457
Drugs named by CMS1
Total drug cost$167

Dr. Querques' Part D claims by kind of drug, 2024

  • Generic56 claims98%
  • Brand-name and other1 claims2%

Dr. Querques' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 582024: 2066%

Drugs named by CMS: 1 in 2024, 4 in 2023.

See all prescribing by Dr. Querques

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. John Querques takes part in Medicare

Dr. Querques accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John Querques has 15 publications on record

Dmand AI links 15 papers to Dr. Querques, published from 2011 to 2016. 2013 was the busiest year, with 2. The most frequent topics are Decision Making, Physician-Patient Relations and Diagnosis, Differential. Dr. Querques has published most often in Harv Rev Psychiatry. Dr. Querques' most frequent co-authors are Oliver Freudenreich, MD and Marlynn H. Wei, MD.

Papers15
Years published2011 to 2016

Dr. Querques' papers by year, 2011 to 2016

Topics Dr. Querques writes about most

  • Decision Making
  • Physician-Patient Relations
  • Diagnosis, Differential
  • Dissent and Disputes
  • Mental Competency
  • Patient Discharge
  • Personal Autonomy
  • Psychiatry

Dr. Querques' most frequent co-authors

Recent publications by Dr. Querques

See all 15 publications and co-authors

See who Dr. Querques researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Querques works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Querques received $101 in industry payments in 2016

CMS Open Payments shows 1 general payment to Dr. Querques from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $101.

Companies that paid Dr. Querques the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Querques

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. John Querques's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Querques

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Querques' NPI number?

Dr. John Querques' NPI number is 1447240833. It was assigned on October 26, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Querques?

Dr. John Querques is a psychiatrist in Belmont, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. John Querques practice?

Dr. Querques practices at 115 Mill Street, Belmont, MA 02478. Dr. Querques' primary practice is McLean Hospital in Belmont, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Querques to 1 medical group.

What is Dr. John Querques' office phone number?

The practice phone on file for Dr. Querques is (617) 855-3450.

What is Dr. John Querques' medical license number?

Dr. Querques holds Massachusetts license 152871.

Which hospitals is Dr. John Querques affiliated with?

Dr. Querques practices at McLean Hospital in Belmont, Massachusetts.

What medical group is Dr. John Querques part of?

Dr. Querques is linked to Pratt Associates. Dmand AI links Dr. Querques to 1 more medical group.

Does Dr. John Querques accept Medicare?

Yes. CMS data shows Dr. Querques billed Medicare for 168 services in 2024, and Dr. Querques accepts Medicare assignment.

How many Medicare patients does Dr. John Querques see?

CMS counts 32 Medicare patients who saw Dr. Querques in 2024, with an average age of 57.

What services does Dr. John Querques bill to Medicare?

In 2024, Dr. Querques' most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).

Show 5 more questionsShow fewer questions

What drugs does Dr. John Querques prescribe most?

In 2024 Medicare Part D data, Dr. Querques' most prescribed drugs by claims were Trazodone HCl.

Has Dr. John Querques received payments from drug or device companies?

CMS Open Payments shows $101 in general payments to Dr. Querques from 1 company from 2016 to 2016. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. John Querques been practicing?

Dr. Querques graduated from medical school in 1995, 31 years ago.

Does Dr. John Querques do research?

Dmand AI links 15 publications to Dr. Querques, published from 2011 to 2016.

Who does Dr. John Querques publish with?

Dr. Querques' most frequent co-authors are Oliver Freudenreich, MD (12 shared papers) and Marlynn H. Wei, MD (1 shared paper).

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