NPPES file of Aug 9, 2026

Jennifer L. Defazio, MD

Dermatology Physician · Hauppauge, NY

Jennifer L. Defazio, MD is a dermatology physician with a practice address in Hauppauge, New York, and NPI 1255443925, issued on Aug 31, 2006. Check the license (New York 240844, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255443925
Name
Jennifer L. Defazio
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
240844 NY
Self-reported in NPPES; status is on the state search
Practice location
800 Veterans Hwy, Hauppauge, NY 11788
Phone
(646) 227-3275
Enumerated
Aug 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20061018000253); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 800 Veterans Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vincent Angeloro, CHIROPRACTORChiropractor1043377187

Verify Jennifer L. Defazio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 240844
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

10% fewer Medicare Part D claims than the average dermatology physician in 2024

718 Medicare Part D claims for 365 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Jennifer Defazio718
  2. Specialty average797

Most prescribed

  1. Fluorouracil96 claims
  2. Triamcinolone Acetonide96 claims
  3. Imiquimod75 claims
  4. Clobetasol Propionate67 claims
  5. Ketoconazole65 claims
  6. Nystatin56 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 91.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Memorial Sloan-Kettering Cancer Center Suffolk AT HauppaugeHauppauge, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jennifer L. Defazio among 1,211 dermatology physician records in New York

Jennifer L. Defazio, MD is one of 1,211 dermatology physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2002 · median 2004 among the 880 with a school on file
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in New York

There are 1,211 dermatology physician records in New York.

The 8 dermatology physician records with the nearest ZIP codes

  1. Ashfaq Marghoob, MDHauppauge, NY 117881376514174
  2. Philip Spencer, MDHauppauge, NY 117881760462907
  3. Snehal Amin, M.D.Smithtown, NY 117871376585539
  4. Michael Fastenberg, M.D.Smithtown, NY 117871073735593
  5. Tamara Koss, MDSmithtown, NY 117871013989599
  6. Faith Leffel, RPA CSmithtown, NY 117871205901683
  7. Lawrence Lieblich, MDSmithtown, NY 117871619985462
  8. Carina Perrotta, R P.A.-CSmithtown, NY 117871699071159

Common questions

What is Jennifer L. Defazio, MD's NPI number?

Jennifer L. Defazio, MD's National Provider Identifier (NPI) is 1255443925, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer L. Defazio, MD located?

The NPPES record lists a practice address at 800 Veterans Hwy, Hauppauge, NY, 11788. Phone: (646) 227-3275. Providers update this record themselves, so call before visiting.

How can I verify Jennifer L. Defazio, MD's license?

NPPES lists New York license number 240844, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jennifer L. Defazio, MD prescribe under Medicare Part D?

In 2024, Jennifer L. Defazio, MD had 718 Medicare Part D claims for 365 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Jennifer L. Defazio, MD's MIPS final score?

The 2023 MIPS final score is 91.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.