
Kathy Deng, MD
Medical OncologyHematology Oncology
Highlights
Languages
- Chinese - Mandarin
- English
Gender
FemaleLocations
- Oncology, The Cancer Institute at Good Samaritan University Hospital
- 111 Beach Drive, West Islip, NY 11795
- Get Directions
- phone: 631-417-8600
- fax: 631-666-0684
Expertise
Education
- Fellowship: North Shore Long Island Jewish Hospital, Hematology/Oncology, 2016
- Internship/Residency: Mount Sinai St. Luke's-Roosevelt Hospital Center, Internal Medicine, 2013
- Medical School: New York Medical College, 2010
Board Certifications
- Medical Oncology: American Board of Internal Medicine, 2016
- Hematology: American Board of Internal Medicine, 2016
- Internal Medicine: American Board of Internal Medicine, 2013
Insurance
- Aetna
- Aetna Medicare PPO
- Affinity
- Affinity Essential
- Affinity Exchange
- Affinity Medicaid
- Affinity Medicare
- Agewell
- Agewell Medicare
- American Plan Administrators PPO
- Anthem
- Anthem Child Health Plus
- Anthem Essential Plan 1 & 2
- Anthem Essential Plan 3 & 4
- Anthem Medicaid and Individual
- Anthem Medicare
- Beechstreet
- Blue Cross Mcd Hmo
- Blue Cross Medicaid
- Center Light Hcare
- Center Light Hcare Medicaid
- Center Light Medicare
- Centivo
- Cigna
- Cigna Medicare
- Coventry Health Care
- Elderplan
- Elderplan Medicaid
- Emblem
- Emblem HIP
- Emblem Medicaid
- Emblem Medicare
- Fidelis
- Fidelis Health Exchange
- Fidelis Medicaid
- Fidelis Medicare
- First Health
- GHI
- GHI CBP NY City Employee
- GHI CBP PPO EPO
- GHI HMO
- GHI Medicare Choice PPO/Value Options
- GHI NYS NYC Value Options
- GHI PPO EPO
- HCP Child Health Plus
- Health First
- HEALTH FIRST EP 3&4
- Health First Medicaid
- Health First Medicaid HARP EP 3&4
- Health First Medicare
- HEALTH FIRST RISK EP 3&4 ALT
- Health First Risk Medicaid HARP EP 3&4 Alternate Plan
- Healthsmart Benefit Solutions
- HIP
- HIP Child Health Plus
- HIP Hcare Partners Essent Pl 1&2
- HIP Hcare Partners Essential 3&4
- HIP Hcare Partners HMO
- HIP Hcare Partners Medicaid
- HIP Hcare Partners Medicare HMO
- HIP Hlth Essential Pl 1 & 2
- HIP Hlth Essential Pl 3&4
- HIP HMO POS
- HIP Medicaid
- HIP Medicare HMO
- HIP Medicare PPO
- HIP NY City HMO
- HIP PPO EPO
- HIP Somos Child Health Plus
- HIP Somos Essential Plan 1&2
- HIP Somos Essential Plan 3&4
- HIP Somos Medicaid/HARP
- Humana
- Humana Medicare
- Local
- Local 1 Bricklayers Magnacare
- Local 1102 Magna
- Local 1199 Emp SJH SEIU
- Local 1199 National Benefit Fund
- Local 1205
- Local 1298 Magna
- Local 138 Operating Engineers Magna
- Local 1500
- Local 1964
- Local 210 Retiree Grp Magna
- Local 210 Unity Welfare Fund
- Local 25 Ibew Magna
- Local 272 Welfare Fund Magna
- Local 29 Blasters & Drillers & Minors
- Local 3 Magna
- Local 30 Trust Fund Engineers Magna
- Local 338 Magna
- Local 342 50 Magna
- Local 342 Insurance Trust Magna
- Local 361 Magna Care
- Local 381 Magna
- Local 40 Iron Workers
- Local 463 Health Fund
- Local 522
- Local 66 Magna
- Local 6A Cement And Concrete
- Local 802 Musicians
- Local 803 Ibt Health And Welfare Fund Inc.
- Local 804
- Local 806 Bridge Painters - Alicare
- Local 810
- Local 810 Union Wire Metal
- Local 812 Magna
- Local 888 Magna
- Magna Direct Plus
- Magna Preferred PPO
- Medicaid
- Medicaid Out Of State
- Medicare
- Medicare Railroad
- Meritain Health
- Meritain Health Aetna PPO
- Molina
- Molina Exchange
- Molina Medicaid
- Multiplan
- Optum Health/Blue Cross
- Oscar
- Oscar Health Exchange
- Other Medicaid
- Other Medicare
- Oxford
- Oxford Bh
- Oxford Medicare
- Partners Health Plan
- Partners Health Plan Medicare
- Secure Horizon Mcr Complete PPO
- Three Rivers
- Three Rivers Provider Network
- UMR
- UMR UHC Salt Lake City
- United HC Choice Plus POS
- United HC Community Child Health Plus
- United HC Community Medicaid
- United HC Essential Pl 1 & 2
- United HC Essential Pl 3&4
- United HC Exchange
- United HC HMO POS
- United HC Medicare HMO
- United HC Medicare PPO
- United HC Narrow Network
- United Hc Nexus ACO R
- United HC NexusACO OA
- United HC PPO
- United HC PPO Empire Plan
- United HC PPO EPO Indemnity
- United HC Speech
- United Health Plus PPO
- United Healthcare
- United Healthcare Medicaid
- United Healthcare Medicare
- United Healthcare Mpn
- VNS Choice
- Vns Choice Medicare Replacement
- Wellcare
- Wellcare Medicaid
- Wellcare Medicare
Ratings & Reviews
4.9 out of 5
302 ratings, 36 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 1/30/2026
Dr. Deng is a wonderful dr. & person. Care very much for her patients always look forward, even in a maybe not good situation, she puts you at ease.
- 5 out of 5 starsReviewed on 1/22/2026
Dr. Deng and the staff were all excellent!
- 5 out of 5 starsReviewed on 1/11/2026
Amazing, professional, and knowledgeable physician. She is always kind, caring and supportive.
- 5 out of 5 starsReviewed on 1/9/2026
Like I said that's the best office I ever been to
- 5 out of 5 starsReviewed on 12/20/2025
Dr.Deng always listens to my concerns and keeps me up to date on the most current studies that can enhance my treatment and help with any side effects that come along with it.
- 5 out of 5 starsReviewed on 12/12/2025
My doctor is very caring and very concerned about my health.
- 5 out of 5 starsReviewed on 12/7/2025
I have recommended Dr. Deng to other clientsTwo of my friends go to her now
- 5 out of 5 starsReviewed on 12/4/2025
Excellent caring Dr and staff. Always a pleasure
- 5 out of 5 starsReviewed on 11/15/2025
I would refer to all my family and friends Dr. Deng went over and above
- 5 out of 5 starsReviewed on 11/14/2025
All good
- 5 out of 5 starsReviewed on 10/27/2025
Good experience
- 5 out of 5 starsReviewed on 10/26/2025
Dr. Deng is a very charming doctor.
- 5 out of 5 starsReviewed on 10/24/2025
Dr Deng was very understanding took her time to explain everything that I was concerned with and the next steps
- 5 out of 5 starsReviewed on 10/2/2025
Good
- 5 out of 5 starsReviewed on 10/1/2025
Love Dr Deng
- 5 out of 5 starsReviewed on 9/22/2025
The doctor was very courteous, friendly and helpful.
- 5 out of 5 starsReviewed on 9/7/2025
Dr Deng always takes the time to answer all my questions.
- 5 out of 5 starsReviewed on 8/30/2025
I would recommend the practice [...]
- 5 out of 5 starsReviewed on 8/27/2025
All good
- 5 out of 5 starsReviewed on 8/25/2025
Dr. Deng always explains everything clearly and answers all questions in language easily understood. She is knowledgeable and shows care and concern.
- 5 out of 5 starsReviewed on 8/23/2025
Good experience
- 5 out of 5 starsReviewed on 8/7/2025
Dr Deng is great patient and thorough
- 5 out of 5 starsReviewed on 7/28/2025
I have been going to Dr. Deng for 5 years. She is the BEST!
- 5 out of 5 starsReviewed on 7/11/2025
Very pleasant.
- 5 out of 5 starsReviewed on 6/24/2025
I have been in the medical field for over 55 years and am impressed/amazed at the courteous, compassionate, professional care/services that has been given to me. Each department in every aspect of Breast Care is like a well oiled machine. I am so grateful. Thank you!
- 5 out of 5 starsReviewed on 6/23/2025
Dr. Deng always provides the best care and for the past 3 years she has gone above and beyond to address all of my concerns from day 1. She gives clear and concise treatment recommendations while also allowing me to make my own informed decisions. [...]
- 5 out of 5 starsReviewed on 6/20/2025
Dr Deng is wonderful. Always a pleasure to see her!
- 5 out of 5 starsReviewed on 6/9/2025
Dr. Deng is wonderful and has a great bedside manner. I have already recommended her and my friend still goes to her today and has recommended her as well.
- 5 out of 5 starsReviewed on 5/30/2025
Dr. Deng is a great listener and talks things through w/me.
- 5 out of 5 starsReviewed on 5/24/2025
Dr Deng always listens to my concerns and answers my questions fully. She takes the time to ensure that I understand what my treatment is and what I can expect moving forward. It is greatly appreciated.
- 5 out of 5 starsReviewed on 5/22/2025
Awesome
- 5 out of 5 starsReviewed on 5/21/2025
Very good
- 5 out of 5 starsReviewed on 5/17/2025
She made great effort to get me to see my breast surgeon in the very short time I was going to be there.
- 5 out of 5 starsReviewed on 5/3/2025
Dr Deng is always eager to help and extremely thorough.
- 5 out of 5 starsReviewed on 5/3/2025
All good. Excellent and professional care.
- 5 out of 5 starsReviewed on 5/2/2025
Dr. Deng is terrific!! One thing I would like to have seen is a message from Dr. Deng after all my blood tests came back. Just a message on the patient app [...].