Dr. Winifred S. Chu, DO

  • Bethpage, NY
  • Dermatologist
NPI1356639934PAC ID2062638240
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
Social profiles

Primary practice

Caremount Medical

Bethpage, New York

See all 6 affiliations

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.

View contacts for free

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 and contact details
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 Medical
    4045 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.

See all 6 affiliations for Dr. Chu

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.

EHR by site
SiteEHR vendor and product
Caremount MedicalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Chu practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

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 YorkPrimaryLicense 259170 · taxonomy 207N00000X

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.

Medicare services, 20241,897
Medicare patients523
Paid by Medicare$114,190
Procedure codes15

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.

See all procedures by Dr. Chu

Need commercial claims for Dr. Chu?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chu and other dermatologists in New York.

Book a meeting

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.

Medicare patients, 2024523
Average age74
Average risk score0.93
Also on Medicaid5%

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

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis47%
  4. Ischemic heart disease30%
  5. Anxiety25%
  6. Diabetes25%
  7. Cancer19%
  8. 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.

Part D claims, 20241,018
Drugs named by CMS18
Total drug cost$102,907
Part D patients344

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.

See all prescribing by Dr. Chu

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)

For MedTech and pharma teams

Find dermatologists like Dr. Chu by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

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

$4.8Kin total
  • 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.

See all payments to Dr. Chu

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.

  1. Medical schoolNew York Institute of Technology College of Osteopathic Medicine - Old Westbury
  2. Board certified in dermatologyAOA Board of Dermatology
  3. Board certified in 2010 - 2026NY State License

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.

Plan types Dr. Chu accepts, by number of carriers

  1. PPO12
  2. Medicare10
  3. HMO7
  4. EPO5
  5. POS4
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. Winifred S. Chu'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 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 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)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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. 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.

Selling to dermatology practices?

See dermatologists in New York by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)