Dr. Ashley Tai Tsang, MD
- Medicare services, 2024
- 116
- Medicare patients, 2024
- 94
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Industry payments
- $1,572
- Practice address
- 787 11th Ave, New York, NY 10019
- Practice phone
- Call (475) 477-5188
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
787 Ortho ASC LLC
New York, New York
Find Dr. 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.
Dr. Ashley Tai Tsang is a surgical oncologist in New York, New York
Dr. Tsang practices at 787 Ortho ASC LLC in New York, New York.
Dr. Tsang's NPI, 1164717625, was assigned on June 13, 2011. Dr. Tsang holds New York license 299713.
- NPI
- 1164717625NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042568123
- NPI enumeration date
- June 13, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (475) 477-5188
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ashley Tai Tsang practices at 787 Ortho ASC LLC in New York, New York
Dr. Tsang's primary practice is 787 Ortho ASC LLC, at 787 11th Ave, New York, NY 10019 in New York County. The practice phone is (475) 477-5188.
- 787 Ortho ASC LLC787 11th Ave, New York, NY 10019 · New York CountyPhone(475) 477-5188
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ashley Tai Tsang is affiliated with 3 sites of care and 1 medical group
Dr. Tsang's primary practice is 787 Ortho ASC LLC in New York, New York. Dr. Tsang is also affiliated with Mount Sinai West. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Tsang to 1 more group practice or clinic, 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. Ashley Tai Tsang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| 787 Ortho ASC LLC | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ashley Tai Tsang is one of 162 surgical oncologists in New York
Surgical oncology is Dr. Tsang's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dmand AI has Dr. Tsang's licenses on file in 2 states: New York and California.
Specialties and state licenses
- Surgical oncology, New YorkPrimary
- Surgery, California
Surgical oncologists near Dr. Tsang
Counts of surgical oncologists 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. Ashley Tai Tsang billed Medicare for 116 services in 2024
CMS data shows 116 Medicare services from Dr. Tsang across 3 procedure codes in 2024, all of them office visits, for 94 Medicare patients. Medicare paid $8,714 for them.
Dr. Tsang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 972024: 11620%
Where Dr. Tsang's Medicare services took place, 2024
- In an office9683%
- In a facility2017%
Dr. Tsang compared with the New York median for surgical oncologists, 2024
- Dr. Tsang
- New York median
- Medicare services
- 116vs 1246% below
- Medicare patients
- 94vs 96Close to median
Medians across 145 surgical oncologists in New York with Dmand AI profiles that report each measure.
Dr. Tsang'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ashley Tai Tsang treated 94 Medicare patients in 2024, average age 74
CMS counts 94 Medicare patients who saw Dr. Tsang in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have cancer, and 72% have high blood pressure. 32% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tsang's median patient age at 59, with 96% women.
Dr. Tsang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Tsang's Medicare patients, 2024
- Cancer75%
- High blood pressure72%
- High cholesterol66%
- Arthritis44%
- Diabetes37%
- Osteoporosis28%
- Chronic kidney disease19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 59
Patient panel by sex, all payers
- Women96%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ashley Tai Tsang wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Tsang wrote 26 Medicare Part D claims for 15 patients. 96% of them were for generic drugs.
Dr. Tsang's Part D claims by kind of drug, 2024
- Generic25 claims96%
- Brand-name and other1 claims4%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ashley Tai Tsang ranks in the 64th percentile for mastectomy in Medicare
Dr. Tsang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of mastectomy by Dr. Tsang, more than 64% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Tsang ranks in Medicare procedure volume
- Mastectomy
- 64th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ashley Tai Tsang received $1,572 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. Tsang from 4 drug and device companies in 2025. Consulting fees make up the largest share, 95% of the total. Integra LifeSciences Corporation paid the most, $1,500.
General payments to Dr. Tsang by kind, 2025 to 2025
- Consulting fees$1,50095%
- Food and beverage$725%
Companies that paid Dr. 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 Dr. Ashley Tai 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 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 (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)Doctors and Clinicians Utilization Data (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. Ashley Tai 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 Dr. Ashley Tai Tsang's NPI number?
Dr. Ashley Tai Tsang's NPI number is 1164717625. It was assigned on June 13, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Ashley Tai Tsang?
Dr. Ashley Tai Tsang is a surgical oncologist in New York, New York. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Ashley Tai Tsang practice?
Dr. Tsang practices at 787 11th Ave, New York, NY 10019. Dr. Tsang's primary practice is 787 Ortho ASC LLC in New York, New York. Dmand AI also links Dr. Tsang to 1 group practice or clinic.
What is Dr. Ashley Tai Tsang's office phone number?
The practice phone on file for Dr. Tsang is (475) 477-5188.
What is Dr. Ashley Tai Tsang's medical license number?
Dr. Tsang holds New York license 299713, one of the licenses on file in 2 states.
Which states has Dr. Ashley Tai Tsang been licensed in?
Dmand AI has state licenses on file for Dr. Tsang in New York and California.
Which hospitals is Dr. Ashley Tai Tsang affiliated with?
Dr. Tsang is affiliated with Mount Sinai West.
What medical group is Dr. Ashley Tai Tsang part of?
Dr. Tsang is linked to Mount Sinai Institute for Liver Medicine.
Does Dr. Ashley Tai Tsang accept Medicare?
Yes. CMS data shows Dr. Tsang billed Medicare for 116 services in 2024, and Dr. Tsang accepts Medicare assignment.
How many Medicare patients does Dr. Ashley Tai Tsang see?
CMS counts 94 Medicare patients who saw Dr. Tsang in 2024, with an average age of 74.
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What services does Dr. Ashley Tai Tsang bill to Medicare?
In 2024, Dr. Tsang's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and office visit, established patient (99214).
Has Dr. Ashley Tai Tsang received payments from drug or device companies?
CMS Open Payments shows $1,572 in general payments to Dr. Tsang from 4 companies from 2025 to 2025. The largest total came from Integra LifeSciences Corporation.
How long has Dr. Ashley Tai Tsang been practicing?
Dr. Tsang graduated from medical school in 2011, 15 years ago.
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