Dr. Patricia A. Defusco, MD

  • Hartford, CT
  • Hematologist and oncologist
NPI1851496061PAC ID9537240791
Medicare services, 2024
399
Medicare patients, 2024
212
Part D claims, 2024
916
Publications
10
Clinical trials
5
Practice address
80 Seymour Street, Hartford, CT 06102
Practice phone
Call (860) 545-5000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Hartford Hospital

Hospital · Hartford, Connecticut

See all 8 affiliations

Find Dr. Defusco'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. Patricia A. Defusco is a hematologist and oncologist in Hartford, Connecticut

Dr. Defusco practices at Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare.

Dr. Defusco's NPI, 1851496061, was assigned on September 13, 2006. Dr. Defusco graduated from Boston University School of Medicine in 1980. Dr. Defusco holds Connecticut license 023881.

NPI and contact details
Medicare PAC ID
9537240791
NPI enumeration date
September 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(860) 545-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Patricia A. Defusco practices at Hartford Hospital in Hartford, Connecticut

Dr. Defusco's primary practice is Hartford Hospital, at 80 Seymour Street, Hartford, CT 06102 in Hartford County. The practice phone is (860) 545-5000.

  • Hartford Hospital
    80 Seymour Street, Hartford, CT 06102 · Hartford CountyPhone(860) 545-5000

Source: Dmand AI Affiliation Data

Dr. Patricia A. Defusco is affiliated with 3 sites of care and 5 medical groups

Dr. Defusco's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. The medical group on file is Hartford Hospital. Dmand AI also links Dr. Defusco to 1 more hospital, 4 medical groups and 1 group practice or clinic, each named with a free account. Dr. Defusco's employer is on file too: a hospital.

See all 8 affiliations for Dr. Defusco

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Patricia A. Defusco's practice

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

EHR by site
SiteEHR vendor and product
Hartford HospitalAvailable with a free account
+2 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Defusco practices

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

Dr. Patricia A. Defusco is one of 175 hematologists and oncologists in Connecticut

Hematology and oncology is Dr. Defusco's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Defusco is licensed in Connecticut.

Specialties and state licenses

  • Hematology and oncology, ConnecticutPrimaryLicense 023881 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Defusco

Counts of hematologists and oncologists 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. Patricia A. Defusco billed Medicare for 399 services in 2024

CMS data shows 399 Medicare services from Dr. Defusco across 3 procedure codes in 2024, all of them office visits, for 212 Medicare patients. Medicare paid $24,426 for them. Every service was in an office.

Medicare services, 2024399
Medicare patients212
Paid by Medicare$24,426
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 4492024: 39911%

Dr. Defusco compared with the Connecticut median for hematologists and oncologists, 2024

  • Dr. Defusco
  • Connecticut median
Medicare services
399vs 54126% below
Medicare patients
212vs 208Close to median
Part D claims
771vs 45171% above

Medians across 168 hematologists and oncologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Defusco'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. Defusco

Need commercial claims for Dr. Defusco?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Defusco and other hematologists and oncologists in Connecticut.

Book a meeting

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

Dr. Patricia A. Defusco treated 212 Medicare patients in 2024, average age 76

CMS counts 212 Medicare patients who saw Dr. Defusco in 2024. The largest group is 75 to 84, with 95 patients. 75% of them have cancer, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Defusco's median patient age at 69, with 95% women.

Medicare patients, 2024212
Average age76
Average risk score1.33
Also on Medicaid8%

Dr. Defusco's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. Cancer75%
  2. High cholesterol75%
  3. High blood pressure66%
  4. Arthritis42%
  5. Anxiety32%
  6. Osteoporosis31%
  7. Mood disorders26%
  8. Depression22%

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

Dr. Defusco's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women95%
  • Men5%

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

Dr. Patricia A. Defusco wrote 916 Medicare Part D claims in 2024

In 2024, Dr. Defusco wrote 916 Medicare Part D claims for 194 patients. 85% of them were for generic drugs. CMS names the drug for 771 of them, across 15 drugs with 11 or more claims each, at $1,480,530 in total drug cost. In 2023, CMS named 739 claims across 13 drugs.

Part D claims, 2024916
Drugs named by CMS15
Total drug cost$1.5M
Part D patients194

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

  • Generic783 claims85%
  • Brand-name133 claims15%

Dr. Defusco'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. Defusco's Part D claims, 2024

  • Opioids7%67 of 916 claims
  • Antibiotics2%15 of 916 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: 7392024: 7714%

Drugs named by CMS: 15 in 2024, 13 in 2023.

See all prescribing by Dr. Defusco

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. Patricia A. Defusco scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Defusco for performance year 2024, reported as part of a group. Dr. Defusco accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Defusco as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Defusco's MIPS scores, performance year 2024

  • 93of 100Final score
  • 75.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find hematologists and oncologists like Dr. Defusco 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. Patricia A. Defusco has 10 publications on record

Dmand AI links 10 papers to Dr. Defusco, published from 2012 to 2024. 2021 was the busiest year, with 2. The most frequent topics are Breast Neoplasms, Antineoplastic Combined Chemotherapy Protocols and Paclitaxel. Dr. Defusco has published most often in Breast Cancer Res. Dr. Defusco's most frequent co-authors are Vandana Gupta Abramson, MD, Blair Ardman, MD and Ron Bose, MD.

Papers10
Years published2012 to 2024

Dr. Defusco's papers by year, 2012 to 2024

Topics Dr. Defusco writes about most

  • Breast Neoplasms
  • Antineoplastic Combined Chemotherapy Protocols
  • Paclitaxel
  • Trastuzumab
  • Chemotherapy, Adjuvant
  • Neoadjuvant Therapy
  • Receptor, ErbB-2
  • Ado-Trastuzumab Emtansine

Dr. Defusco's most frequent co-authors

Recent publications by Dr. Defusco

See all 10 publications and co-authors

See who Dr. Defusco researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Defusco works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Patricia A. Defusco has worked on 5 clinical trials

Dmand AI links Dr. Defusco to 5 clinical trials, 3 of them phase 3 studies. 4 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Carcinoma, Intraductal, Noninfiltrating. National Cancer Institute (NCI) sponsors the most, 2.

Clinical trials with Dr. Defusco by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 3Phase 3: 3 trials
  4. NonePhase 4: no trials

Conditions in Dr. Defusco's trials

  • Breast Neoplasms
  • Breast Diseases
  • Carcinoma, Intraductal, Noninfiltrating
  • Triple Negative Breast Neoplasms
  • Breast Carcinoma In Situ

Investigators on the most trials with Dr. Defusco

Recent clinical trials with Dr. Defusco

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Patricia A. Defusco received $1,180 in industry payments from 2016 to 2021

CMS Open Payments shows 82 general payments to Dr. Defusco from 15 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 98% of the total. Novartis Pharmaceuticals Corporation paid the most, $372.

General payments to Dr. Defusco by program year, 2016 to 2021

General payments to Dr. Defusco by kind, 2016 to 2021

$1.2Kin total
  • Food and beverage$1,15398%
  • Education$272%

Companies that paid Dr. Defusco the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Defusco

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

Dr. Patricia A. Defusco graduated from Boston University School of Medicine

Dr. Defusco graduated from Boston University School of Medicine in 1980.

  1. Medical schoolBoston University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Patricia A. Defusco'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 DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Patricia A. Defusco

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. Patricia A. Defusco's NPI number?

Dr. Patricia A. Defusco's NPI number is 1851496061. It was assigned on September 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Patricia A. Defusco?

Dr. Patricia A. Defusco is a hematologist and oncologist in Hartford, Connecticut. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Patricia A. Defusco practice?

Dr. Defusco practices at 80 Seymour Street, Hartford, CT 06102. Dr. Defusco's primary practice is Hartford Hospital in Hartford, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Defusco to 1 hospital, 4 medical groups and 1 group practice or clinic.

What is Dr. Patricia A. Defusco's office phone number?

The practice phone on file for Dr. Defusco is (860) 545-5000.

What is Dr. Patricia A. Defusco's medical license number?

Dr. Defusco holds Connecticut license 023881.

Which hospitals is Dr. Patricia A. Defusco affiliated with?

Dr. Defusco practices at Hartford Hospital in Hartford, Connecticut. Dmand AI links Dr. Defusco to 1 more hospital.

What medical group is Dr. Patricia A. Defusco part of?

Dr. Defusco is linked to Hartford Hospital. Dmand AI links Dr. Defusco to 4 more medical groups.

Does Dr. Patricia A. Defusco accept Medicare?

Yes. CMS data shows Dr. Defusco billed Medicare for 399 services in 2024, and Dr. Defusco accepts Medicare assignment.

Does Dr. Patricia A. Defusco offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Defusco as offering telehealth services.

What is Dr. Patricia A. Defusco's MIPS score?

Dr. Defusco's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Patricia A. Defusco see?

CMS counts 212 Medicare patients who saw Dr. Defusco in 2024, with an average age of 76.

What services does Dr. Patricia A. Defusco bill to Medicare?

In 2024, Dr. Defusco's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Patricia A. Defusco go to medical school?

Dr. Defusco graduated from Boston University School of Medicine in 1980.

What drugs does Dr. Patricia A. Defusco prescribe most?

In 2024 Medicare Part D data, Dr. Defusco's most prescribed drugs by claims were Anastrozole, Letrozole and Verzenio.

Has Dr. Patricia A. Defusco received payments from drug or device companies?

CMS Open Payments shows $1,180 in general payments to Dr. Defusco from 15 companies from 2016 to 2021. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Patricia A. Defusco been practicing?

Dr. Defusco graduated from medical school in 1980, 46 years ago.

Does Dr. Patricia A. Defusco do research?

Dmand AI links 10 publications to Dr. Defusco, published from 2012 to 2024. Dr. Defusco has worked on 5 clinical trials.

Who does Dr. Patricia A. Defusco publish with?

Dr. Defusco's most frequent co-authors are Vandana Gupta Abramson, MD (4 shared papers), Blair Ardman, MD (4 shared papers) and Ron Bose, MD (4 shared papers).

Selling to hematology and oncology practices?

See hematologists and oncologists in Connecticut 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)