Dr. Jennifer L. Defazio, MD

  • New York, NY
  • Dermatologist
NPI1255443925PAC ID6507862331
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Sloan-Kettering Cancer Center Suffolk at Hauppauge

New York, New York

See all 4 affiliations

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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 and contact details
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
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Mobile number
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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 Hauppauge
    633 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.

See all 4 affiliations for Dr. Defazio

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.

EHR by site
SiteEHR vendor and product
Memorial Sloan-Kettering Cancer Center Suffolk at HauppaugeAvailable with a free account
+2 more affiliated sitesAvailable 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 YorkPrimaryLicense 240844 · 2006 to 2025 · taxonomy 207N00000X
  • Florida licenseSince 2021

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.

Medicare services, 20244,021
Medicare patients1,035
Paid by Medicare$255,328
Procedure codes15

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.

See all procedures by Dr. Defazio

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

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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.

Medicare patients, 20241,035
Average age76
Average risk score1.27
Also on Medicaid3%

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

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis49%
  4. Ischemic heart disease34%
  5. Cancer29%
  6. Anxiety25%
  7. Diabetes24%
  8. 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.

Part D claims, 2024718
Drugs named by CMS13
Total drug cost$90,772
Part D patients365

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.

See all prescribing by Dr. Defazio

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.

Papers18
Years published2010 to 2023

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

Recent publications by Dr. Defazio

See all 18 publications and co-authors

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.

How network discovery works

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.

See all payments to Dr. Defazio

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

  1. 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.

  1. Medical schoolJacobs School of Medicine and Biomedical Sciences
  2. Board certified in dermatologyAmerican Board of 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

  1. Medicare6
  2. PPO6
  3. EPO2
  4. HMO2
  5. POS2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jennifer L. Defazio'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)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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. 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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