Dr. Ashley Tai Tsang, MD

  • New York, NY
  • Surgical oncologist
NPI1164717625PAC ID0042568123
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
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Mobile number
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Social profiles

Primary practice

787 Ortho ASC LLC

New York, New York

See all 4 affiliations

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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 and contact details
Medicare PAC ID
0042568123
NPI enumeration date
June 13, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(475) 477-5188
Professional email
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Personal email
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Mobile number
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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 LLC
    787 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.

See all 4 affiliations for Dr. Tsang

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.

EHR by site
SiteEHR vendor and product
787 Ortho ASC LLCAvailable with a free account
+2 more affiliated sitesAvailable 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 YorkPrimaryLicense 299713 · taxonomy 2086X0206X
  • Surgery, CaliforniaLicense A156214 · taxonomy 208600000X

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.

Medicare services, 2024116
Medicare patients94
Paid by Medicare$8,714
Procedure codes3

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.

See all procedures by Dr. Tsang

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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.

Medicare patients, 202494
Average age74
Average risk score1.19
Also on Medicaid32%

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

  1. Cancer75%
  2. High blood pressure72%
  3. High cholesterol66%
  4. Arthritis44%
  5. Diabetes37%
  6. Osteoporosis28%
  7. Chronic kidney disease19%
  8. 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.

Part D claims, 202426
Part D patients15

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

$1.6Kin total
  • 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.

See all payments to Dr. Tsang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Ashley Tai Tsang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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