Dr. Kathy Deng, MD
- Medicare services, 2024
- 2,222
- Medicare patients, 2024
- 574
- Part D claims, 2024
- 844
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 1000 Montauk Highway, West Islip, NY 11795
- Practice phone
- Call (631) 376-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Deng'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. Kathy Deng is a hematologist and oncologist in West Islip, New York
Dr. Deng practices at Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.
Dr. Deng's NPI, 1548571359, was assigned on June 25, 2010. Dr. Deng graduated from New York Medical College in 2010. Dr. Deng holds New York license 272289.
- NPI
- 1548571359NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698060325
- NPI enumeration date
- June 25, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 376-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathy Deng practices at Good Samaritan University Hospital in West Islip, New York
Dr. Deng's primary practice is Good Samaritan University Hospital, at 1000 Montauk Highway, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 376-3000.
- Good Samaritan University Hospital1000 Montauk Highway, West Islip, NY 11795 · Suffolk CountyPhone(631) 376-3000
Source: Dmand AI Affiliation Data
Dr. Kathy Deng is affiliated with 3 sites of care and 2 medical groups
Dr. Deng's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre. The medical group on file is Cardiac Interventional Group. Dmand AI also links Dr. Deng to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathy Deng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Deng practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan University Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathy Deng is one of 996 hematologists and oncologists in New York
Hematology and oncology is Dr. Deng's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Deng is licensed in New York.
Specialties and state licenses
- Hematology and oncology, New YorkPrimary
Hematologists and oncologists near Dr. Deng
Counts of hematologists and 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. Kathy Deng billed Medicare for 2,222 services in 2024
CMS data shows 2,222 Medicare services from Dr. Deng across 8 procedure codes in 2024, for 574 Medicare patients. Medicare paid $173,420 for them.
Dr. Deng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2092024: 1,1961%
- Lab and pathology
- 2023: 1,0872024: 1,0087%
- Surgery
- 2023: 162024: 1813%
Where Dr. Deng's Medicare services took place, 2024
- In an office2,04592%
- In a facility1778%
Dr. Deng compared with the New York median for hematologists and oncologists, 2024
- Dr. Deng
- New York median
- Medicare services
- 2,222vs 6683.3 times
- Medicare patients
- 574vs 2102.7 times
- Part D claims
- 701vs 2582.7 times
Medians across 940 hematologists and oncologists in New York with Dmand AI profiles that report each measure.
Dr. Deng'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. Deng?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Deng and other hematologists and oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathy Deng treated 574 Medicare patients in 2024, average age 75
CMS counts 574 Medicare patients who saw Dr. Deng in 2024. The largest group is 75 to 84, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.99, 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. Deng's median patient age at 67, with 77% women.
Dr. Deng's Medicare patients by age, 2024
Dr. Deng's Medicare patients by sex, 2024
- Women39469%
- Men18031%
Chronic conditions among Dr. Deng's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes50%
- Ischemic heart disease47%
- Cancer46%
- Chronic kidney disease39%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Deng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathy Deng wrote 844 Medicare Part D claims in 2024
In 2024, Dr. Deng wrote 844 Medicare Part D claims for 213 patients. 71% of them were for generic drugs. CMS names the drug for 701 of them, across 12 drugs with 11 or more claims each, at $1,438,543 in total drug cost. In 2023, CMS named 623 claims across 13 drugs.
Dr. Deng's Part D claims by kind of drug, 2024
- Generic596 claims71%
- Brand-name248 claims29%
Dr. Deng'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. Deng's Part D claims, 2024
- Opioids3%23 of 844 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6232024: 70113%
Drugs named by CMS: 12 in 2024, 13 in 2023.
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. Kathy Deng takes part in Medicare
Dr. Deng 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. Kathy Deng has 2 publications on record
Dmand AI links 2 papers to Dr. Deng in 2016. Dr. Deng's most frequent co-authors are Catherine C. Coombs, MD, Jeremy Charles Durack, MD and Simon Mantha, MD.
Dr. Deng's most frequent co-authors
- Catherine C. Coombs, MD1 shared paper
- Jeremy Charles Durack, MD1 shared paper
- Simon Mantha, MD1 shared paper
Recent publications by Dr. Deng
J Thromb Thrombolysis
See who Dr. Deng researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Deng works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kathy Deng received $15,887 in industry payments from 2016 to 2025
CMS Open Payments shows 750 general payments to Dr. Deng from 82 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,973.
General payments to Dr. Deng by program year, 2016 to 2025
General payments to Dr. Deng by kind, 2016 to 2025
- Food and beverage$13,57985%
- Consulting fees$1,94312%
- Education$3662%
Companies that paid Dr. Deng 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. Kathy Deng graduated from New York Medical College
Dr. Deng graduated from New York Medical College in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathy Deng'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. Kathy Deng
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. Kathy Deng's NPI number?
Dr. Kathy Deng's NPI number is 1548571359. It was assigned on June 25, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathy Deng?
Dr. Kathy Deng is a hematologist and oncologist in West Islip, New York. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Kathy Deng practice?
Dr. Deng practices at 1000 Montauk Highway, West Islip, NY 11795. Dr. Deng's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Deng to 2 group practices and clinics and 1 medical group.
What is Dr. Kathy Deng's office phone number?
The practice phone on file for Dr. Deng is (631) 376-3000.
What is Dr. Kathy Deng's medical license number?
Dr. Deng holds New York license 272289.
Which hospitals is Dr. Kathy Deng affiliated with?
Dr. Deng practices at Good Samaritan University Hospital in West Islip, New York.
What medical group is Dr. Kathy Deng part of?
Dr. Deng is linked to Cardiac Interventional Group. Dmand AI links Dr. Deng to 1 more medical group.
Does Dr. Kathy Deng accept Medicare?
Yes. CMS data shows Dr. Deng billed Medicare for 2,222 services in 2024, and Dr. Deng accepts Medicare assignment.
How many Medicare patients does Dr. Kathy Deng see?
CMS counts 574 Medicare patients who saw Dr. Deng in 2024, with an average age of 75.
What services does Dr. Kathy Deng bill to Medicare?
In 2024, Dr. Deng's most billed Medicare services were lab and pathology test (85025), office visit, established patient (99215) and office visit, established patient (99214).
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Where did Dr. Kathy Deng go to medical school?
Dr. Deng graduated from New York Medical College in 2010.
What drugs does Dr. Kathy Deng prescribe most?
In 2024 Medicare Part D data, Dr. Deng's most prescribed drugs by claims were Anastrozole, Eliquis and Exemestane.
Has Dr. Kathy Deng received payments from drug or device companies?
CMS Open Payments shows $15,887 in general payments to Dr. Deng from 82 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Kathy Deng been practicing?
Dr. Deng graduated from medical school in 2010, 16 years ago.
Does Dr. Kathy Deng do research?
Dmand AI links 2 publications to Dr. Deng.
Who does Dr. Kathy Deng publish with?
Dr. Deng's most frequent co-authors are Catherine C. Coombs, MD (1 shared paper), Jeremy Charles Durack, MD (1 shared paper) and Simon Mantha, MD (1 shared paper).
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