Brian Tsang
- Part D claims, 2024
- 540
- Industry payments
- $155
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 79 E Putnam Ave, Greenwich, CT 06830
- Practice phone
- Call (201) 374-1718
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Valley Allergy Asthma And Sinus Center
Medical specialty practice · Greenwich, Connecticut
Find Brian Tsang'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.
Brian Tsang is a physician assistant in North Bergen, New Jersey
Brian Tsang practices at Northern Valley Allergy Asthma And Sinus Center in Greenwich, Connecticut.
Brian Tsang's NPI, 1215647847, was assigned on December 5, 2022. Brian Tsang holds New Jersey license 25MP00754900.
- NPI
- 1215647847NPI Registry (opens in a new tab)
- NPI enumeration date
- December 5, 2022
- NPI status
- Active
- Practice phone
- (201) 374-1718
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian Tsang practices in Greenwich and North Bergen
Brian Tsang's primary practice is Northern Valley Allergy Asthma and Sinus Center, at 79 E Putnam Ave, Greenwich, CT 06830. The practice phone is (201) 374-1718. The NPI Registry lists Brian Tsang's practice address as 8901 John F Kennedy Blvd, North Bergen, NJ 07047.
- Northern Valley Allergy Asthma and Sinus CenterPrimary79 E Putnam Ave, Greenwich, CT 06830Phone(201) 374-1718
- NPI Registry address8901 John F Kennedy Blvd, North Bergen, NJ 07047 · Hudson County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Brian Tsang is affiliated with 1 site of care and 1 medical group
Brian Tsang's primary practice is Northern Valley Allergy Asthma And Sinus Center in Greenwich, Connecticut. The medical group on file is Northern Valley Allergy, Asthma and Sinus Center.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Brian Tsang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brian Tsang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Valley Allergy Asthma And Sinus Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Brian Tsang is one of 2,975 physician assistants in New Jersey
Physician assistant is Brian Tsang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Brian Tsang is licensed in New Jersey.
Specialties and state licenses
- Physician assistant, New JerseyPrimary
Physician assistants near Brian Tsang
Counts of physician assistants 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
Brian Tsang's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Brian Tsang's median patient age at 50, with 50% women.
Brian Tsang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Brian Tsang wrote 540 Medicare Part D claims in 2024
In 2024, Brian Tsang wrote 540 Medicare Part D claims for 98 patients. 66% of them were for generic drugs.
Brian Tsang's Part D claims by kind of drug, 2024
- Generic355 claims66%
- Brand-name185 claims34%
Drug classes CMS tracks in Brian Tsang's Part D claims, 2024
- Antibiotics5%26 of 540 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Brian Tsang received $155 in industry payments in 2025
CMS Open Payments shows 4 general payments to Brian Tsang from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $140.
Companies that paid Brian Tsang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Brian Tsang'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 Brian Tsang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brian Tsang's NPI number?
Brian Tsang's NPI number is 1215647847. It was assigned on December 5, 2022, and it is active in the NPI Registry.
What does Brian Tsang specialize in?
Brian Tsang is a physician assistant in North Bergen, New Jersey. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Brian Tsang practice?
Brian Tsang practices at 79 E Putnam Ave, Greenwich, CT 06830. Brian Tsang also practices at 8901 John F Kennedy Blvd, North Bergen, NJ 07047. Brian Tsang's primary practice is Northern Valley Allergy Asthma And Sinus Center in Greenwich, Connecticut.
What is Brian Tsang's office phone number?
The practice phone on file for Brian Tsang is (201) 374-1718.
What is Brian Tsang's medical license number?
Brian Tsang holds New Jersey license 25MP00754900.
What medical group is Brian Tsang part of?
Brian Tsang is linked to Northern Valley Allergy, Asthma and Sinus Center.
Has Brian Tsang received payments from drug or device companies?
CMS Open Payments shows $155 in general payments to Brian Tsang from 2 companies from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Brian Tsang been practicing?
Brian Tsang's NPI was assigned in 2022.
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