Dr. Justin A. Chen, MD
- Medicare services, 2019
- 149
- Part D claims, 2022
- 44
- Hospital affiliations
- 2
- Industry payments
- $116,813
- Medical groups
- 4
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Justin A. Chen is a psychiatrist in Boston, Massachusetts
Dr. Chen practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Chen's NPI, 1932336765, was assigned on June 19, 2009. Dr. Chen graduated from Yale University School of Medicine in 2009. Dr. Chen holds New York license 319966.
- NPI
- 1932336765NPI Registry (opens in a new tab)
- NPI enumeration date
- June 19, 2009
- NPI status
- Active
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Justin A. Chen practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Chen's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Justin A. Chen is affiliated with 3 sites of care and 4 medical groups
Dr. Chen's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Chen is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Chen to 3 more medical groups and 1 community health center, each named with a free account. Dr. Chen's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Justin A. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Justin A. Chen is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Chen's licenses on file in 2 states: New York and Massachusetts.
Specialties and state licenses
- Psychiatry, New YorkPrimary
- Massachusetts license
Psychiatrists near Dr. Chen
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. Justin A. Chen billed Medicare for 149 services in 2019
CMS data shows 149 Medicare services from Dr. Chen across 2 procedure codes in 2019, all of them office visits. Medicare paid $10,735 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chen's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 562019: 149166%
- Tests and treatments
- 2018: 212019: 0100%
Dr. Chen compared with the Massachusetts median for psychiatrists, 2019
- Dr. Chen
- Massachusetts median
- Medicare services
- 149vs 17213% below
- Part D claims
- 44vs 9252% below
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justin A. Chen's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 70, with 20% women.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women20%
- Men80%
Source: Dmand AI Patient Panel Data
Dr. Justin A. Chen wrote 44 Medicare Part D claims in 2022
In 2022, Dr. Chen wrote 44 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $500 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Dr. Chen's most prescribed drugs by claims, 2022
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, 2020 to 2022
- 2020
- 2022
- Claims for drugs CMS names
- 2020: 122022: 44267%
Drugs named by CMS: 3 in 2022, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Justin A. Chen received $116,813 in industry payments from 2017 to 2021
CMS Open Payments shows 17 general payments to Dr. Chen from 4 drug and device companies from 2017 to 2021. Consulting fees make up the largest share, 100% of the total. Pfizer Inc. paid the most, $112,058.
General payments to Dr. Chen by program year, 2017 to 2021
General payments to Dr. Chen by kind, 2017 to 2021
- Consulting fees$116,558100%
- Food and beverage$2360%
- Travel and lodging$190%
Companies that paid Dr. Chen the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Justin A. Chen graduated from Yale University School of Medicine
Dr. Chen graduated from Yale University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Justin A. Chen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Justin A. Chen
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. Justin A. Chen's NPI number?
Dr. Justin A. Chen's NPI number is 1932336765. It was assigned on June 19, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin A. Chen?
Dr. Justin A. Chen is a psychiatrist in Boston, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Justin A. Chen practice?
Dr. Chen practices at 55 Fruit Street, Boston, MA 02114. Dr. Chen's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Chen to 3 medical groups and 1 community health center.
What is Dr. Justin A. Chen's office phone number?
The practice phone on file for Dr. Chen is (617) 726-2000.
What is Dr. Justin A. Chen's medical license number?
Dr. Chen holds New York license 319966, one of the licenses on file in 2 states.
Which states has Dr. Justin A. Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in New York and Massachusetts.
Which hospitals is Dr. Justin A. Chen affiliated with?
Dr. Chen practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Chen is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.
What medical group is Dr. Justin A. Chen part of?
Dr. Chen is linked to Massachusetts General Hospital. Dmand AI links Dr. Chen to 3 more medical groups.
Does Dr. Justin A. Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 149 services in 2019.
What services does Dr. Justin A. Chen bill to Medicare?
In 2019, Dr. Chen's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
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Where did Dr. Justin A. Chen go to medical school?
Dr. Chen graduated from Yale University School of Medicine in 2009.
What drugs does Dr. Justin A. Chen prescribe most?
In 2022 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Clonazepam, Lamotrigine and Sertraline HCl.
Has Dr. Justin A. Chen received payments from drug or device companies?
CMS Open Payments shows $116,813 in general payments to Dr. Chen from 4 companies from 2017 to 2021. The largest total came from Pfizer Inc.
How long has Dr. Justin A. Chen been practicing?
Dr. Chen graduated from medical school in 2009, 17 years ago.
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