Dr. Duy Quoc Ly, MD
- Medicare services, 2020
- 235
- Part D claims, 2024
- 23
- Industry payments
- $51
- Medical groups
- 3
- State license
- 1
- Practice address
- 35 Bedford St, Lexington, MA 02420
- Practice phone
- Call (781) 218-9550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boston Behavioral Health Associates Inc
Lexington, Massachusetts
Find Dr. Ly'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. Duy Quoc Ly is a psychiatrist in Lexington, Massachusetts
Dr. Ly practices at Boston Behavioral Health Associates Inc in Lexington, Massachusetts.
Dr. Ly's NPI, 1649620360, was assigned on June 14, 2016. Dr. Ly holds Massachusetts license 281590.
- NPI
- 1649620360NPI Registry (opens in a new tab)
- NPI enumeration date
- June 14, 2016
- NPI status
- Active
- Practice phone
- (781) 218-9550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Duy Quoc Ly practices at Boston Behavioral Health Associates Inc in Lexington, Massachusetts
Dr. Ly's primary practice is Boston Behavioral Health Associates Inc, at 35 Bedford St, Lexington, MA 02420 in Middlesex County. The practice phone is (781) 218-9550.
- Boston Behavioral Health Associates Inc35 Bedford St, Lexington, MA 02420 · Middlesex CountyPhone(781) 218-9550
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Duy Quoc Ly is affiliated with 1 site of care and 3 medical groups
Dr. Ly's primary practice is Boston Behavioral Health Associates Inc in Lexington, Massachusetts. The medical group on file is Dr John Corrigan Mental Health Center. Dmand AI also links Dr. Ly to 2 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Duy Quoc Ly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ly practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Behavioral Health Associates Inc | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Duy Quoc Ly is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Ly's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Ly is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Ly
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. Duy Quoc Ly billed Medicare for 235 services in 2020
CMS data shows 235 Medicare services from Dr. Ly across 3 procedure codes in 2020. Medicare paid $10,017 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ly's Medicare services by type, 2020
- Office and hospital visits211
- Tests and treatments24
Dr. Ly compared with the Massachusetts median for psychiatrists, 2020
- Dr. Ly
- Massachusetts median
- Medicare services
- 235vs 17237% above
- Part D claims
- 12vs 9287% below
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Ly's most billed Medicare procedure codes, 2020
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. Ly and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Duy Quoc Ly's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Ly's median patient age at 31, with 47% women.
Dr. Ly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women47%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Duy Quoc Ly wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Ly wrote 23 Medicare Part D claims. 91% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $227 in total drug cost. In 2021, CMS named 196 claims across 13 drugs.
Dr. Ly's Part D claims by kind of drug, 2024
- Generic21 claims91%
- Brand-name and other2 claims9%
Dr. Ly'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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1962022: 1294%
Drugs named by CMS: 1 in 2022, 13 in 2021.
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
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Dr. Duy Quoc Ly received $51 in industry payments in 2022
CMS Open Payments shows 3 general payments to Dr. Ly from 2 drug and device companies in 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $32.
Companies that paid Dr. Ly the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Duy Quoc Ly'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Duy Quoc Ly
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. Duy Quoc Ly's NPI number?
Dr. Duy Quoc Ly's NPI number is 1649620360. It was assigned on June 14, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Duy Quoc Ly?
Dr. Duy Quoc Ly is a psychiatrist in Lexington, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Duy Quoc Ly practice?
Dr. Ly practices at 35 Bedford St, Lexington, MA 02420. Dr. Ly's primary practice is Boston Behavioral Health Associates Inc in Lexington, Massachusetts. Dmand AI also links Dr. Ly to 2 medical groups.
What is Dr. Duy Quoc Ly's office phone number?
The practice phone on file for Dr. Ly is (781) 218-9550.
What is Dr. Duy Quoc Ly's medical license number?
Dr. Ly holds Massachusetts license 281590.
What medical group is Dr. Duy Quoc Ly part of?
Dr. Ly is linked to Dr John Corrigan Mental Health Center. Dmand AI links Dr. Ly to 2 more medical groups.
Does Dr. Duy Quoc Ly accept Medicare?
Yes. CMS data shows Dr. Ly billed Medicare for 235 services in 2020.
What services does Dr. Duy Quoc Ly bill to Medicare?
In 2020, Dr. Ly's most billed Medicare services were hospital inpatient care (99231), psychiatric service (90791) and hospital inpatient care (99238).
What drugs does Dr. Duy Quoc Ly prescribe most?
In 2022 Medicare Part D data, Dr. Ly's most prescribed drugs by claims were Divalproex Sodium.
Has Dr. Duy Quoc Ly received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to Dr. Ly from 2 companies from 2022 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Duy Quoc Ly been practicing?
Dr. Ly graduated from medical school in 2016, 10 years ago.
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