Dr. Danielle Duffy, MD

  • Philadelphia, PA
  • Cardiologist
NPI1427094697PAC ID2062443625
Medicare services, 2024
54
Medicare patients, 2024
24
Part D claims, 2024
409
Hospital affiliations
1
Industry payments
$9,764
Practice address
925 Chestnut Street, Philadelphia, PA 19107
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Jefferson Health Otolaryngology Head and Neck Surgery - HOPD

Acute Care Hospital outpatient department · Philadelphia, Pennsylvania

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Dr. Danielle Duffy is a cardiologist in Philadelphia, Pennsylvania

Dr. Duffy practices at Jefferson Health Otolaryngology Head and Neck Surgery - HOPD in Philadelphia, Pennsylvania.

Dr. Duffy's NPI, 1427094697, was assigned on June 22, 2006. Dr. Duffy graduated from Perelman School of Med at the University of Pennsylvania in 2002. Dr. Duffy holds Pennsylvania license MD426956.

NPI and contact details
Medicare PAC ID
2062443625
NPI enumeration date
June 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Danielle Duffy practices at Jefferson Health Otolaryngology Head and Neck Surgery - HOPD in Philadelphia, Pennsylvania

Dr. Duffy's primary practice is Jefferson Health Otolaryngology Head and Neck Surgery - HOPD, at 925 Chestnut Street, Philadelphia, PA 19107.

  • Jefferson Health Otolaryngology Head and Neck Surgery - HOPD
    925 Chestnut Street, Philadelphia, PA 19107

Source: Dmand AI Affiliation Data

Dr. Danielle Duffy is affiliated with 3 sites of care and 1 medical group

Dr. Duffy's primary practice is Jefferson Health Otolaryngology Head and Neck Surgery - HOPD in Philadelphia, Pennsylvania. Dr. Duffy is also affiliated with Thomas Jefferson University Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Duffy to 1 more hospital outpatient department, named with a free account. Dr. Duffy's employer is on file too: a hospital.

See all 4 affiliations for Dr. Duffy

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Danielle Duffy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffy practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jefferson Health Otolaryngology Head and Neck Surgery - HOPDAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Danielle Duffy is one of 1,206 cardiologists in Pennsylvania

Cardiovascular disease is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Duffy is licensed in Pennsylvania.

Specialties and state licenses

  • Cardiovascular disease, PennsylvaniaPrimaryLicense MD426956 · taxonomy 207RC0000X

Cardiologists near Dr. Duffy

Counts of cardiologists 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. Danielle Duffy billed Medicare for 54 services in 2024

CMS data shows 54 Medicare services from Dr. Duffy across 2 procedure codes in 2024, for 24 Medicare patients. Medicare paid $2,280 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202454
Medicare patients24
Paid by Medicare$2,280
Procedure codes2

Dr. Duffy's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 312024: 2810%
Tests and treatments
2023: 342024: 2624%

Dr. Duffy compared with the Pennsylvania median for cardiologists, 2024

  • Dr. Duffy
  • Pennsylvania median
Medicare services
54vs 1,74597% below
Medicare patients
24vs 85597% below
Part D claims
334vs 1,66980% below

Medians across 1,207 cardiologists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Duffy'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. Duffy

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Danielle Duffy treated 24 Medicare patients in 2024, average age 76

CMS counts 24 Medicare patients who saw Dr. Duffy in 2024. 75% of them have high cholesterol, and 67% have ischemic heart disease. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Duffy's median patient age at 75, with 57% women.

Medicare patients, 202424
Average age76
Average risk score1.08

Chronic conditions among Dr. Duffy's Medicare patients, 2024

  1. High cholesterol75%
  2. Ischemic heart disease67%
  3. High blood pressure54%
  4. Arthritis50%

Share of Medicare patients with each condition. A patient can have several.

Dr. Duffy's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Danielle Duffy wrote 409 Medicare Part D claims in 2024

In 2024, Dr. Duffy wrote 409 Medicare Part D claims for 40 patients. 67% of them were for generic drugs. CMS names the drug for 334 of them, across 12 drugs with 11 or more claims each, at $144,155 in total drug cost. In 2023, CMS named 291 claims across 11 drugs.

Part D claims, 2024409
Drugs named by CMS12
Total drug cost$144,155
Part D patients40

Dr. Duffy's Part D claims by kind of drug, 2024

  • Generic272 claims67%
  • Brand-name137 claims33%

Dr. Duffy'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: 2912024: 33415%

Drugs named by CMS: 12 in 2024, 11 in 2023.

See all prescribing by Dr. Duffy

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

How Dr. Danielle Duffy takes part in Medicare

Dr. Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Danielle Duffy received $9,764 in industry payments from 2018 to 2024

CMS Open Payments shows 46 general payments to Dr. Duffy from 2 drug and device companies from 2018 to 2024. Travel and lodging make up the largest share, 79% of the total. CSL Behring paid the most, $9,712.

General payments to Dr. Duffy by program year, 2018 to 2024

General payments to Dr. Duffy by kind, 2018 to 2024

$9.8Kin total
  • Travel and lodging$7,69279%
  • Food and beverage$2,07221%

Companies that paid Dr. Duffy the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Duffy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Danielle Duffy graduated from Perelman School of Med at the University of Pennsylvania

Dr. Duffy graduated from Perelman School of Med at the University of Pennsylvania in 2002.

  1. Medical schoolPerelman School of Med at the University of Pennsylvania

Source: Dmand AI Professional Profile Data

Sources for Dr. Danielle Duffy'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Danielle Duffy

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. Danielle Duffy's NPI number?

Dr. Danielle Duffy's NPI number is 1427094697. It was assigned on June 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Danielle Duffy?

Dr. Danielle Duffy is a cardiologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Danielle Duffy practice?

Dr. Duffy practices at 925 Chestnut Street, Philadelphia, PA 19107. Dr. Duffy's primary practice is Jefferson Health Otolaryngology Head and Neck Surgery - HOPD in Philadelphia, Pennsylvania. Dmand AI also links Dr. Duffy to 1 hospital outpatient department.

What is Dr. Danielle Duffy's medical license number?

Dr. Duffy holds Pennsylvania license MD426956.

Which hospitals is Dr. Danielle Duffy affiliated with?

Dr. Duffy is affiliated with Thomas Jefferson University Hospital.

What medical group is Dr. Danielle Duffy part of?

Dr. Duffy is linked to Jefferson University Physicians.

Does Dr. Danielle Duffy accept Medicare?

Yes. CMS data shows Dr. Duffy billed Medicare for 54 services in 2024, and Dr. Duffy accepts Medicare assignment.

How many Medicare patients does Dr. Danielle Duffy see?

CMS counts 24 Medicare patients who saw Dr. Duffy in 2024, with an average age of 76.

What services does Dr. Danielle Duffy bill to Medicare?

In 2024, Dr. Duffy's most billed Medicare services were office visit, established patient (99214) and heart test or procedure (93010).

Where did Dr. Danielle Duffy go to medical school?

Dr. Duffy graduated from Perelman School of Med at the University of Pennsylvania in 2002.

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What drugs does Dr. Danielle Duffy prescribe most?

In 2024 Medicare Part D data, Dr. Duffy's most prescribed drugs by claims were Repatha Sureclick, Rosuvastatin Calcium and Praluent Pen.

Has Dr. Danielle Duffy received payments from drug or device companies?

CMS Open Payments shows $9,764 in general payments to Dr. Duffy from 2 companies from 2018 to 2024. The largest total came from CSL Behring.

How long has Dr. Danielle Duffy been practicing?

Dr. Duffy graduated from medical school in 2002, 24 years ago.

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