Dr. Jennifer L. Defazio, MD
- Medicare services, 2024
- 4,021
- Medicare patients, 2024
- 1,035
- Part D claims, 2024
- 718
- Publications
- 18
- MIPS score, 2024
- 84
- Practice address
- 633 3rd Ave, New York, NY 10017
- Practice phone
- Call (212) 639-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge
New York, New York
Find Dr. Defazio'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. Jennifer L. Defazio is a dermatologist in New York, New York
Dr. Defazio practices at Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge in New York, New York.
Dr. Defazio's NPI, 1255443925, was assigned on August 31, 2006. Dr. Defazio graduated from Jacobs School of Medicine and Biomedical Sciences in 2002. Dr. Defazio's New York license number on file is 240844.
- NPI
- 1255443925NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507862331
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 639-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jennifer L. Defazio practices at Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge in New York, New York
Dr. Defazio's primary practice is Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge, at 633 3rd Ave, New York, NY 10017 in New York County. The practice phone is (212) 639-2000.
- Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge633 3rd Ave, New York, NY 10017 · New York CountyPhone(212) 639-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jennifer L. Defazio is affiliated with 3 sites of care and 1 medical group
Dr. Defazio's primary practice is Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge in New York, New York. Dr. Defazio is also affiliated with Memorial Sloan Kettering Cancer Center. The medical group on file is Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Defazio to 1 more group practice or clinic, 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. Jennifer L. Defazio's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Defazio practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer L. Defazio is one of 1,038 dermatologists in New York
Dermatology is Dr. Defazio's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Defazio is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Defazio's licenses on file in 2 states: New York and Florida.
Specialties and state licenses
- Dermatology, New YorkPrimary
- Florida license
Clinical focus
Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, contact dermatitis, corns and calluses, itchy rashes, joint cyst and minor head injury among the conditions Dr. Defazio treats.
Dermatologists near Dr. Defazio
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. Jennifer L. Defazio billed Medicare for 4,021 services in 2024
CMS data shows 4,021 Medicare services from Dr. Defazio across 15 procedure codes in 2024, for 1,035 Medicare patients. Medicare paid $255,328 for them. Every service was in an office.
Dr. Defazio's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2,3442024: 2,2554%
- Office and hospital visits
- 2023: 1,7462024: 1,7661%
Dr. Defazio compared with the New York median for dermatologists, 2024
- Dr. Defazio
- New York median
- Medicare services
- 4,021vs 1,0164.0 times
- Medicare patients
- 1,035vs 3243.2 times
- Part D claims
- 612vs 33483% above
Medians across 1,022 dermatologists in New York with Dmand AI profiles that report each measure.
Dr. Defazio'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. Defazio?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Defazio and other dermatologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer L. Defazio treated 1,035 Medicare patients in 2024, average age 76
CMS counts 1,035 Medicare patients who saw Dr. Defazio in 2024. The largest group is 75 to 84, with 440 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Defazio's median patient age at 71, with 61% women.
Dr. Defazio's Medicare patients by age, 2024
Dr. Defazio's Medicare patients by sex, 2024
- Women66865%
- Men36735%
Chronic conditions among Dr. Defazio's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis49%
- Ischemic heart disease34%
- Cancer29%
- Anxiety25%
- Diabetes24%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Defazio's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer L. Defazio wrote 718 Medicare Part D claims in 2024
In 2024, Dr. Defazio wrote 718 Medicare Part D claims for 365 patients. 89% of them were for generic drugs. CMS names the drug for 612 of them, across 13 drugs with 11 or more claims each, at $90,772 in total drug cost. In 2023, CMS named 651 claims across 14 drugs.
Dr. Defazio's Part D claims by kind of drug, 2024
- Generic640 claims89%
- Brand-name78 claims11%
Dr. Defazio'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6512024: 6126%
Drugs named by CMS: 13 in 2024, 14 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. Jennifer L. Defazio scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Defazio for performance year 2024, reported as part of a group. Dr. Defazio accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 652 procedures of skin biopsy by Dr. Defazio, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Defazio's MIPS scores, performance year 2024
- 84of 100Final score
- 77.1of 100Quality
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Defazio ranks in Medicare procedure volume
- Removal of skin lesions
- 91st percentile824 procedures
- Skin biopsy
- 97th percentile652 procedures
- Melanoma (skin cancer) excision
- 83rd percentile38 procedures
- Removal or shaving of skin growth
- 66th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jennifer L. Defazio has 18 publications on record
Dmand AI links 18 papers to Dr. Defazio, published from 2010 to 2023. 2017 was the busiest year, with 3. The most frequent topics are Skin Neoplasms, Melanoma and Dermoscopy. Dr. Defazio has published most often in Dermatol Pract Concept. Dr. Defazio's most frequent co-authors are Ashfaq A. Marghoob, MD, Allan C. Halpern, MD and Zaeem Nazir, MD.
Dr. Defazio's papers by year, 2010 to 2023
Topics Dr. Defazio writes about most
- Skin Neoplasms
- Melanoma
- Dermoscopy
- Diagnosis, Differential
- Biopsy
- Skin
- Algorithms
- Dermatology
Dr. Defazio's most frequent co-authors
- Ashfaq A. Marghoob, MD11 shared papers
- Allan C. Halpern, MD7 shared papers
- Zaeem Nazir, MD2 shared papers
Recent publications by Dr. Defazio
J Eur Acad Dermatol Venereol
J Eur Acad Dermatol Venereol
See who Dr. Defazio researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Defazio works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jennifer L. Defazio received $20 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Defazio from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Organogenesis Inc. paid the most, $20.
Companies that paid Dr. Defazio the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jennifer L. Defazio has 1 award and honors on record
Dmand AI lists 1 award for Dr. Defazio.
Awards and honors for Dr. Defazio
- Undated
- AAD Fellow
Source: Dmand AI Professional Profile Data
Dr. Jennifer L. Defazio graduated from Jacobs School of Medicine and Biomedical Sciences
Dr. Defazio graduated from Jacobs School of Medicine and Biomedical Sciences in 2002. Dr. Defazio is a member of AAD.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Jennifer L. Defazio accepts plans from 8 insurance carriers
Dr. Defazio is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- MVP Health Care
- Regence Health Plans
- CMS Medicare
- NY State Medicaid
Plan types Dr. Defazio accepts, by number of carriers
- Medicare6
- PPO6
- EPO2
- HMO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jennifer L. Defazio'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Jennifer L. Defazio
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. Jennifer L. Defazio's NPI number?
Dr. Jennifer L. Defazio's NPI number is 1255443925. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer L. Defazio?
Dr. Jennifer L. Defazio is a dermatologist in New York, New York. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Jennifer L. Defazio practice?
Dr. Defazio practices at 633 3rd Ave, New York, NY 10017. Dr. Defazio's primary practice is Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge in New York, New York. Dmand AI also links Dr. Defazio to 1 group practice or clinic.
What is Dr. Jennifer L. Defazio's office phone number?
The practice phone on file for Dr. Defazio is (212) 639-2000.
What is Dr. Jennifer L. Defazio's medical license number?
Dr. Defazio's New York license number on file is 240844, one of the licenses on file in 2 states.
Which states has Dr. Jennifer L. Defazio been licensed in?
Dmand AI has state licenses on file for Dr. Defazio in New York (2006 to 2025) and Florida (since 2021).
Which hospitals is Dr. Jennifer L. Defazio affiliated with?
Dr. Defazio is affiliated with Memorial Sloan Kettering Cancer Center.
What medical group is Dr. Jennifer L. Defazio part of?
Dr. Defazio is linked to Memorial Sloan Kettering Cancer Center.
Does Dr. Jennifer L. Defazio accept Medicare?
Yes. CMS data shows Dr. Defazio billed Medicare for 4,021 services in 2024, and Dr. Defazio accepts Medicare assignment.
What is Dr. Jennifer L. Defazio's MIPS score?
Dr. Defazio's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Jennifer L. Defazio see?
CMS counts 1,035 Medicare patients who saw Dr. Defazio in 2024, with an average age of 76.
Is Dr. Jennifer L. Defazio board certified?
Yes. Dr. Defazio is board certified in dermatology by the American Board of Dermatology.
What services does Dr. Jennifer L. Defazio bill to Medicare?
In 2024, Dr. Defazio's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (11102).
Where did Dr. Jennifer L. Defazio go to medical school?
Dr. Defazio graduated from Jacobs School of Medicine and Biomedical Sciences in 2002.
What drugs does Dr. Jennifer L. Defazio prescribe most?
In 2024 Medicare Part D data, Dr. Defazio's most prescribed drugs by claims were Fluorouracil, Triamcinolone Acetonide and Imiquimod.
Has Dr. Jennifer L. Defazio received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Defazio from 1 company from 2023 to 2023. The largest total came from Organogenesis Inc.
How long has Dr. Jennifer L. Defazio been practicing?
Dr. Defazio graduated from medical school in 2002, 24 years ago.
Does Dr. Jennifer L. Defazio do research?
Dmand AI links 18 publications to Dr. Defazio, published from 2010 to 2023.
Who does Dr. Jennifer L. Defazio publish with?
Dr. Defazio's most frequent co-authors are Ashfaq A. Marghoob, MD (11 shared papers), Allan C. Halpern, MD (7 shared papers) and Zaeem Nazir, MD (2 shared papers).
What insurance does Dr. Jennifer L. Defazio accept?
Dr. Defazio is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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