Dr. Winifred S. Chu, DO
- Medicare services, 2024
- 1,897
- Medicare patients, 2024
- 523
- Part D claims, 2024
- 1,018
- Industry payments
- $4,813
- Affiliated sites
- 3
- Practice address
- 4045 Hempstead Turnpike, Bethpage, NY 11714
- Practice phone
- Call (914) 241-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caremount Medical
Bethpage, New York
Find Dr. Chu'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. Winifred S. Chu is a dermatologist in Bethpage, New York
Dr. Chu practices at Caremount Medical in Bethpage, New York.
Dr. Chu's NPI, 1356639934, was assigned on July 15, 2011. Dr. Chu graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2008. Dr. Chu holds New York license 259170.
- NPI
- 1356639934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062638240
- NPI enumeration date
- July 15, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 241-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Winifred S. Chu practices at Caremount Medical in Bethpage, New York
Dr. Chu's primary practice is Caremount Medical, at 4045 Hempstead Turnpike, Bethpage, NY 11714 in Nassau County. The practice phone is (914) 241-1050.
- Caremount Medical4045 Hempstead Turnpike, Bethpage, NY 11714 · Nassau CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Winifred S. Chu is affiliated with 4 sites of care and 2 medical groups
Dr. Chu's primary practice is Caremount Medical in Bethpage, New York. The medical group on file is CareMount Medical. Dmand AI also links Dr. Chu to 2 more group practices and clinics, 1 physician office and 1 medical group, each 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. Winifred S. Chu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caremount Medical | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Winifred S. Chu is one of 1,038 dermatologists in New York
Dermatology is Dr. Chu's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Chu is board certified in dermatology by the AOA Board of Dermatology. Dr. Chu is licensed in New York.
Specialties and state licenses
- Dermatology, New YorkPrimary
Clinical focus
Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, corns and calluses, itchy rashes and joint cyst among the conditions Dr. Chu treats.
Dermatologists near Dr. Chu
Counts of dermatologists 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. Winifred S. Chu billed Medicare for 1,897 services in 2024
CMS data shows 1,897 Medicare services from Dr. Chu across 15 procedure codes in 2024, for 523 Medicare patients. Medicare paid $114,190 for them. Every service was in an office.
Dr. Chu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1,1212024: 1,1002%
- Office and hospital visits
- 2023: 7542024: 7976%
- Drugs given in the office
- 2023: 182024: 0100%
Dr. Chu compared with the New York median for dermatologists, 2024
- Dr. Chu
- New York median
- Medicare services
- 1,897vs 1,01687% above
- Medicare patients
- 523vs 32461% above
- Part D claims
- 871vs 3342.6 times
Medians across 1,022 dermatologists in New York with Dmand AI profiles that report each measure.
Dr. Chu'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chu and other dermatologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Winifred S. Chu treated 523 Medicare patients in 2024, average age 74
CMS counts 523 Medicare patients who saw Dr. Chu in 2024. The largest group is 65 to 74, with 268 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chu's median patient age at 61, with 63% women.
Dr. Chu's Medicare patients by age, 2024
Dr. Chu's Medicare patients by sex, 2024
- Women30959%
- Men21441%
Chronic conditions among Dr. Chu's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis47%
- Ischemic heart disease30%
- Anxiety25%
- Diabetes25%
- Cancer19%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women63%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Winifred S. Chu wrote 1,018 Medicare Part D claims in 2024
In 2024, Dr. Chu wrote 1,018 Medicare Part D claims for 344 patients. 93% of them were for generic drugs. CMS names the drug for 871 of them, across 18 drugs with 11 or more claims each, at $102,907 in total drug cost. In 2023, CMS named 849 claims across 20 drugs.
Dr. Chu's Part D claims by kind of drug, 2024
- Generic950 claims93%
- Brand-name68 claims7%
Dr. Chu'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. Chu's Part D claims, 2024
- Antibiotics4%41 of 1,018 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: 8492024: 8713%
Drugs named by CMS: 18 in 2024, 20 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
Dr. Winifred S. Chu ranks in the 91st percentile for skin biopsy in Medicare
Dr. Chu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 307 procedures of skin biopsy by Dr. Chu, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chu ranks in Medicare procedure volume
- Removal of skin lesions
- 87th percentile525 procedures
- Skin biopsy
- 91st percentile307 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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. Winifred S. Chu received $4,813 in industry payments from 2016 to 2025
CMS Open Payments shows 203 general payments to Dr. Chu from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Galderma Laboratories, L.P. paid the most, $750.
General payments to Dr. Chu by program year, 2016 to 2025
General payments to Dr. Chu by kind, 2016 to 2025
- Food and beverage$4,53094%
- Education$2826%
Companies that paid Dr. Chu 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. Winifred S. Chu graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury
Dr. Chu graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2008. Dr. Chu is a member of AAD and AOA.
- Medical school
- Board certified in dermatology
- Board certified in 2010 - 2026
Source: Dmand AI Professional Profile Data
Dr. Winifred S. Chu accepts plans from 19 insurance carriers
Dr. Chu is in network with 19 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Cigna
- +11 more carriersWith a free account
Plan types Dr. Chu accepts, by number of carriers
- PPO12
- Medicare10
- HMO7
- EPO5
- POS4
- Medicaid3
Source: Dmand AI Insurance Network Data
Sources for Dr. Winifred S. Chu'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Winifred S. Chu
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. Winifred S. Chu's NPI number?
Dr. Winifred S. Chu's NPI number is 1356639934. It was assigned on July 15, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Winifred S. Chu?
Dr. Winifred S. Chu is a dermatologist in Bethpage, New York. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Winifred S. Chu practice?
Dr. Chu practices at 4045 Hempstead Turnpike, Bethpage, NY 11714. Dr. Chu's primary practice is Caremount Medical in Bethpage, New York. Dmand AI also links Dr. Chu to 2 group practices and clinics, 1 physician office and 1 medical group.
What is Dr. Winifred S. Chu's office phone number?
The practice phone on file for Dr. Chu is (914) 241-1050.
What is Dr. Winifred S. Chu's medical license number?
Dr. Chu holds New York license 259170.
What medical group is Dr. Winifred S. Chu part of?
Dr. Chu is linked to CareMount Medical. Dmand AI links Dr. Chu to 1 more medical group.
Does Dr. Winifred S. Chu accept Medicare?
Yes. CMS data shows Dr. Chu billed Medicare for 1,897 services in 2024, and Dr. Chu accepts Medicare assignment.
How many Medicare patients does Dr. Winifred S. Chu see?
CMS counts 523 Medicare patients who saw Dr. Chu in 2024, with an average age of 74.
Is Dr. Winifred S. Chu board certified?
Yes. Dr. Chu is board certified in dermatology by the AOA Board of Dermatology.
What services does Dr. Winifred S. Chu bill to Medicare?
In 2024, Dr. Chu's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (11102).
Show 5 more questionsShow fewer questions
Where did Dr. Winifred S. Chu go to medical school?
Dr. Chu graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 2008.
What drugs does Dr. Winifred S. Chu prescribe most?
In 2024 Medicare Part D data, Dr. Chu's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Mupirocin.
Has Dr. Winifred S. Chu received payments from drug or device companies?
CMS Open Payments shows $4,813 in general payments to Dr. Chu from 27 companies from 2016 to 2025. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Winifred S. Chu been practicing?
Dr. Chu graduated from medical school in 2008, 18 years ago.
What insurance does Dr. Winifred S. Chu accept?
Dr. Chu is in network with 19 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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