Dr. Thomas Nguyen, MD
- Medicare services, 2024
- 263
- Medicare patients, 2024
- 218
- Part D claims, 2024
- 74
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 3201 Kings Hwy, Brooklyn, NY 11234
- Practice phone
- Call (646) 605-6009
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mount Sinai - Brooklyn
Brooklyn, New York
Find Dr. Nguyen'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. Thomas Nguyen is an emergency medicine physician in Brooklyn, New York
Dr. Nguyen practices at Mount Sinai - Brooklyn in Brooklyn, New York.
Dr. Nguyen's NPI, 1679549265, was assigned on February 24, 2006. Dr. Nguyen graduated from Rutgers New Jersey Medical School in 1995. Dr. Nguyen holds New York license 2046341.
- NPI
- 1679549265NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567488661
- NPI enumeration date
- February 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (646) 605-6009
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Nguyen practices at Mount Sinai - Brooklyn in Brooklyn, New York
Dr. Nguyen's primary practice is Mount Sinai - Brooklyn, at 3201 Kings Hwy, Brooklyn, NY 11234 in Kings County. The practice phone is (646) 605-6009.
- Mount Sinai - Brooklyn3201 Kings Hwy, Brooklyn, NY 11234 · Kings CountyPhone(646) 605-6009
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas Nguyen is affiliated with 10 sites of care and 7 medical groups
Dr. Nguyen's primary practice is Mount Sinai - Brooklyn in Brooklyn, New York. Dr. Nguyen is also affiliated with Tisch Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Nguyen to 2 more hospitals, 6 group practices and clinics and 6 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. Thomas Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai - Brooklyn | Available with a free account |
| +9 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Nguyen is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Nguyen is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Nguyen
Counts of emergency medicine physicians 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. Thomas Nguyen billed Medicare for 263 services in 2024
CMS data shows 263 Medicare services from Dr. Nguyen across 8 procedure codes in 2024, for 218 Medicare patients. Medicare paid $21,279 for them.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1692024: 19717%
- Tests and treatments
- 2023: 1122024: 6641%
Where Dr. Nguyen's Medicare services took place, 2024
- In an office6926%
- In a facility19474%
Dr. Nguyen compared with the New York median for emergency medicine physicians, 2024
- Dr. Nguyen
- New York median
- Medicare services
- 263vs 21920% above
- Medicare patients
- 218vs 216Close to median
- Part D claims
- 11vs 2962% below
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Nguyen's 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.
Need commercial claims for Dr. Nguyen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Nguyen treated 218 Medicare patients in 2024, average age 73
CMS counts 218 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 42, with 58% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women11854%
- Men10046%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes42%
- Mood disorders37%
- Anxiety35%
- Ischemic heart disease35%
- Depression31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
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. Thomas Nguyen wrote 74 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 74 Medicare Part D claims for 66 patients. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $20 in total drug cost. In 2019, CMS named 13 claims across 1 drug.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic65 claims88%
- Brand-name and other9 claims12%
Dr. Nguyen's 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.
Drug classes CMS tracks in Dr. Nguyen's Part D claims, 2024
- Antibiotics24%18 of 74 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2019 to 2024
- 2019
- 2024
- Claims for drugs CMS names
- 2019: 132024: 1115%
Drugs named by CMS: 1 in 2024, 1 in 2019.
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. Thomas Nguyen takes part in Medicare
Dr. Nguyen 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. Thomas Nguyen has 1 publication on record
Dmand AI links 1 paper to Dr. Nguyen in 2018. Dr. Nguyen's most frequent co-authors are Esteban G. Burchard, MD, Robert B. Darnell, MD and Harold J. Farber, MD.
Dr. Nguyen's most frequent co-authors
- Esteban G. Burchard, MD1 shared paper
- Robert B. Darnell, MD1 shared paper
- Harold J. Farber, MD1 shared paper
Recent publications by Dr. Nguyen
See who Dr. Nguyen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyen works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Nguyen received $2,809 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Nguyen from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $2,211.
General payments to Dr. Nguyen by program year, 2016 to 2025
Companies that paid Dr. Nguyen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Nguyen graduated from Rutgers New Jersey Medical School
Dr. Nguyen graduated from Rutgers New Jersey Medical School in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Nguyen'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Thomas Nguyen
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. Thomas Nguyen's NPI number?
Dr. Thomas Nguyen's NPI number is 1679549265. It was assigned on February 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Nguyen?
Dr. Thomas Nguyen is an emergency medicine physician in Brooklyn, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas Nguyen practice?
Dr. Nguyen practices at 3201 Kings Hwy, Brooklyn, NY 11234. Dr. Nguyen's primary practice is Mount Sinai - Brooklyn in Brooklyn, New York. Dmand AI also links Dr. Nguyen to 2 hospitals, 6 group practices and clinics and 6 medical groups.
What is Dr. Thomas Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (646) 605-6009.
What is Dr. Thomas Nguyen's medical license number?
Dr. Nguyen holds New York license 2046341.
Which hospitals is Dr. Thomas Nguyen affiliated with?
Dr. Nguyen is affiliated with Tisch Hospital. Dmand AI links Dr. Nguyen to 2 more hospitals.
What medical group is Dr. Thomas Nguyen part of?
Dr. Nguyen is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Nguyen to 6 more medical groups.
Does Dr. Thomas Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 263 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Nguyen see?
CMS counts 218 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 73.
What services does Dr. Thomas Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Show 6 more questionsShow fewer questions
Where did Dr. Thomas Nguyen go to medical school?
Dr. Nguyen graduated from Rutgers New Jersey Medical School in 1995.
What drugs does Dr. Thomas Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Prednisone.
Has Dr. Thomas Nguyen received payments from drug or device companies?
CMS Open Payments shows $2,809 in general payments to Dr. Nguyen from 7 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Thomas Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1995, 31 years ago.
Does Dr. Thomas Nguyen do research?
Dmand AI links 1 publication to Dr. Nguyen.
Who does Dr. Thomas Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Esteban G. Burchard, MD (1 shared paper), Robert B. Darnell, MD (1 shared paper) and Harold J. Farber, MD (1 shared paper).
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