Dr. Dianne Jean Defusco, MD
- Medicare services, 2024
- 195
- Medicare patients, 2024
- 108
- Part D claims, 2024
- 4,293
- MIPS score, 2024
- 94
- Industry payments
- $3,062
- Practice address
- 80 Seymour St, Hartford, CT 06106
- Practice phone
- Call (860) 972-9033
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hartford Healthcare Medical Group
Hartford, Connecticut
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.
Dr. Dianne Jean Defusco is an internist in Hartford, Connecticut
Dr. Defusco practices at Hartford Healthcare Medical Group in Hartford, Connecticut.
Dr. Defusco's NPI, 1063584787, was assigned on November 15, 2006. Dr. Defusco graduated from Warren Alpert Medical School of Brown University in 1987. Dr. Defusco holds Connecticut license 041834.
- NPI
- 1063584787NPI Registry (opens in a new tab)
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Practice phone
- (860) 972-9033
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Dianne Jean Defusco practices at Hartford Healthcare Medical Group in Hartford, Connecticut
Dr. Defusco's primary practice is Hartford Healthcare Medical Group, at 80 Seymour St, Hartford, CT 06106 in Capitol County. The practice phone is (860) 972-9033.
- Hartford Healthcare Medical Group80 Seymour St, Hartford, CT 06106 · Capitol CountyPhone(860) 972-9033
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dianne Jean Defusco is affiliated with 1 site of care and 1 medical group
Dr. Defusco's primary practice is Hartford Healthcare Medical Group in Hartford, Connecticut. The medical group on file is Hartford HealthCare Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dianne Jean Defusco's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Defusco practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Healthcare Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dianne Jean Defusco is one of 2,189 internists in Connecticut
Internal medicine is Dr. Defusco's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Defusco is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Defusco
Counts of internists 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. Dianne Jean Defusco billed Medicare for 195 services in 2024
CMS data shows 195 Medicare services from Dr. Defusco across 4 procedure codes in 2024, for 108 Medicare patients. Medicare paid $17,691 for them. Every service was in an office.
Dr. Defusco's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1772024: 10441%
- Other services
- 2023: 1112024: 6046%
- Tests and treatments
- 2023: 532024: 3142%
Dr. Defusco compared with the Connecticut median for internists, 2024
- Dr. Defusco
- Connecticut median
- Medicare services
- 195vs 39050% below
- Medicare patients
- 108vs 17237% below
- Part D claims
- 3,677vs 34310.7 times
Medians across 2,185 internists 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Defusco and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dianne Jean Defusco treated 108 Medicare patients in 2024, average age 75
CMS counts 108 Medicare patients who saw Dr. Defusco in 2024. The largest group is 75 to 84, with 52 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Defusco's median patient age at 67, with 81% women.
Dr. Defusco's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Defusco's Medicare patients by sex, 2024
- Women8276%
- Men2624%
Chronic conditions among Dr. Defusco's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis51%
- Osteoporosis34%
- Mood disorders26%
- Anxiety25%
- Diabetes24%
- Cancer21%
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 67
Patient panel by sex, all payers
- Women81%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dianne Jean Defusco wrote 4,293 Medicare Part D claims in 2024
In 2024, Dr. Defusco wrote 4,293 Medicare Part D claims for 555 patients. 86% of them were for generic drugs. CMS names the drug for 3,677 of them, across 79 drugs with 11 or more claims each, at $284,168 in total drug cost. In 2023, CMS named 4,083 claims across 80 drugs.
Dr. Defusco's Part D claims by kind of drug, 2024
- Generic3,687 claims86%
- Brand-name578 claims13%
- Other28 claims1%
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
- Opioids1%33 of 4,293 claims
- Antibiotics1%40 of 4,293 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: 4,0832024: 3,67710%
Drugs named by CMS: 79 in 2024, 80 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. Dianne Jean Defusco scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Defusco for performance year 2024, reported through an alternative payment model (APM).
Dr. Defusco's MIPS scores, performance year 2024
- 94of 100Final score
- 83.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Dianne Jean Defusco received $3,062 in industry payments from 2016 to 2024
CMS Open Payments shows 201 general payments to Dr. Defusco from 40 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $407.
General payments to Dr. Defusco by program year, 2016 to 2024
General payments to Dr. Defusco by kind, 2016 to 2024
- Food and beverage$3,03599%
- Education$261%
Companies that paid Dr. Defusco the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dianne Jean Defusco graduated from Warren Alpert Medical School of Brown University
Dr. Defusco graduated from Warren Alpert Medical School of Brown University in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dianne Jean Defusco'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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Dianne Jean 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. Dianne Jean Defusco's NPI number?
Dr. Dianne Jean Defusco's NPI number is 1063584787. It was assigned on November 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dianne Jean Defusco?
Dr. Dianne Jean Defusco is an internist in Hartford, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dianne Jean Defusco practice?
Dr. Defusco practices at 80 Seymour St, Hartford, CT 06106. Dr. Defusco's primary practice is Hartford Healthcare Medical Group in Hartford, Connecticut.
What is Dr. Dianne Jean Defusco's office phone number?
The practice phone on file for Dr. Defusco is (860) 972-9033.
What is Dr. Dianne Jean Defusco's medical license number?
Dr. Defusco holds Connecticut license 041834.
What medical group is Dr. Dianne Jean Defusco part of?
Dr. Defusco is linked to Hartford HealthCare Medical Group.
Does Dr. Dianne Jean Defusco accept Medicare?
Yes. CMS data shows Dr. Defusco billed Medicare for 195 services in 2024.
What is Dr. Dianne Jean Defusco's MIPS score?
Dr. Defusco's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Dianne Jean Defusco see?
CMS counts 108 Medicare patients who saw Dr. Defusco in 2024, with an average age of 75.
What services does Dr. Dianne Jean Defusco bill to Medicare?
In 2024, Dr. Defusco's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and heart test or procedure (93000).
Show 4 more questionsShow fewer questions
Where did Dr. Dianne Jean Defusco go to medical school?
Dr. Defusco graduated from Warren Alpert Medical School of Brown University in 1987.
What drugs does Dr. Dianne Jean Defusco prescribe most?
In 2024 Medicare Part D data, Dr. Defusco's most prescribed drugs by claims were Levothyroxine Sodium, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Dr. Dianne Jean Defusco received payments from drug or device companies?
CMS Open Payments shows $3,062 in general payments to Dr. Defusco from 40 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Dianne Jean Defusco been practicing?
Dr. Defusco graduated from medical school in 1987, 39 years ago.
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