Dr. Nananamibia Duffy, MD
- Medicare services, 2024
- 626
- Medicare patients, 2024
- 236
- Part D claims, 2024
- 1,860
- MIPS score, 2024
- 97
- Hospital affiliations
- 3
- Practice address
- 1425 Portland Avenue, Rochester, NY 14621
- Practice phone
- Call (585) 922-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duffy'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. Nananamibia Duffy is a dermatologist in Rochester, New York
Dr. Duffy practices at Rochester General Hospital in Rochester, New York, part of Rochester Regional Health.
Dr. Duffy's NPI, 1700918950, was assigned on March 12, 2007. Dr. Duffy graduated from Perelman School of Med at the University of Pennsylvania in 2006. Dr. Duffy holds New York license 258049.
- NPI
- 1700918950NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224212527
- NPI enumeration date
- March 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (585) 922-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nananamibia Duffy practices at Rochester General Hospital in Rochester, New York
Dr. Duffy's primary practice is Rochester General Hospital, at 1425 Portland Avenue, Rochester, NY 14621 in Monroe County. The practice phone is (585) 922-4000.
- Rochester General Hospital1425 Portland Avenue, Rochester, NY 14621 · Monroe CountyPhone(585) 922-4000
Source: Dmand AI Affiliation Data
Dr. Nananamibia Duffy is affiliated with 6 sites of care and 6 medical groups
Dr. Duffy's primary practice is Rochester General Hospital in Rochester, New York, part of Rochester Regional Health. Dr. Duffy is also affiliated with Strong Memorial Hospital. The medical group on file is Rochester General Hospital. Dmand AI also links Dr. Duffy to 1 more hospital, 5 medical groups and 3 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nananamibia Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffy practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rochester General Hospital | Available with a free account |
| +5 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Rochester Regional Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nananamibia Duffy is one of 1,038 dermatologists in New York
Dermatology is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. Duffy's licenses on file in 2 states: New York and Delaware.
Specialties and state licenses
- Dermatology, New YorkPrimary
- Internal medicine, Delaware
Dermatologists near Dr. Duffy
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. Nananamibia Duffy billed Medicare for 626 services in 2024
CMS data shows 626 Medicare services from Dr. Duffy across 7 procedure codes in 2024, for 236 Medicare patients. Medicare paid $24,525 for them. Every service was in an office.
Dr. Duffy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4332024: 32126%
- Surgery
- 2023: 5832024: 30548%
Dr. Duffy compared with the New York median for dermatologists, 2024
- Dr. Duffy
- New York median
- Medicare services
- 626vs 1,01638% below
- Medicare patients
- 236vs 32427% below
- Part D claims
- 1,601vs 3344.8 times
Medians across 1,022 dermatologists in New York 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nananamibia Duffy treated 236 Medicare patients in 2024, average age 75
CMS counts 236 Medicare patients who saw Dr. Duffy in 2024. The largest group is 75 to 84, with 95 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duffy's median patient age at 70, with 61% women.
Dr. Duffy's Medicare patients by age, 2024
Dr. Duffy's Medicare patients by sex, 2024
- Women14561%
- Men9139%
Chronic conditions among Dr. Duffy's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis47%
- Diabetes24%
- Anxiety23%
- Mood disorders21%
- Cancer18%
- Ischemic heart disease18%
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 70
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nananamibia Duffy wrote 1,860 Medicare Part D claims in 2024
In 2024, Dr. Duffy wrote 1,860 Medicare Part D claims for 569 patients. 86% of them were for generic drugs. CMS names the drug for 1,601 of them, across 40 drugs with 11 or more claims each, at $1,437,271 in total drug cost. In 2023, CMS named 1,415 claims across 41 drugs.
Dr. Duffy's Part D claims by kind of drug, 2024
- Generic1,601 claims86%
- Brand-name259 claims14%
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.
Drug classes CMS tracks in Dr. Duffy's Part D claims, 2024
- Opioids2%40 of 1,860 claims
- Antibiotics8%142 of 1,860 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: 1,4152024: 1,60113%
Drugs named by CMS: 40 in 2024, 41 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. Nananamibia Duffy scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Duffy for performance year 2024, reported through an alternative payment model (APM). Dr. Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 698 procedures of removal of skin lesions by Dr. Duffy, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Duffy's MIPS scores, performance year 2024
- 97of 100Final score
- 74.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Duffy ranks in Medicare procedure volume
- Removal of skin lesions
- 90th percentile698 procedures
- Skin biopsy
- 88th percentile257 procedures
- Removal or shaving of skin growth
- 79th percentile51 procedures
- Melanoma (skin cancer) excision
- 86th percentile49 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
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. Nananamibia Duffy received $9,149 in industry payments from 2016 to 2025
CMS Open Payments shows 183 general payments to Dr. Duffy from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 52% of the total. Janssen Pharmaceuticals, Inc paid the most, $3,551.
General payments to Dr. Duffy by program year, 2016 to 2025
General payments to Dr. Duffy by kind, 2016 to 2025
- Food and beverage$4,75552%
- Consulting fees$2,77030%
- Travel and lodging$1,20513%
- Education$4205%
Companies that paid Dr. Duffy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nananamibia 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 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nananamibia Duffy'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 | Doctors 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) |
| 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. Nananamibia 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. Nananamibia Duffy's NPI number?
Dr. Nananamibia Duffy's NPI number is 1700918950. It was assigned on March 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Nananamibia Duffy?
Dr. Nananamibia Duffy is a dermatologist in Rochester, New York. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Nananamibia Duffy practice?
Dr. Duffy practices at 1425 Portland Avenue, Rochester, NY 14621. Dr. Duffy's primary practice is Rochester General Hospital in Rochester, New York, part of Rochester Regional Health. Dmand AI also links Dr. Duffy to 1 hospital, 5 medical groups and 3 group practices and clinics.
What is Dr. Nananamibia Duffy's office phone number?
The practice phone on file for Dr. Duffy is (585) 922-4000.
What is Dr. Nananamibia Duffy's medical license number?
Dr. Duffy holds New York license 258049, one of the licenses on file in 2 states.
Which states has Dr. Nananamibia Duffy been licensed in?
Dmand AI has state licenses on file for Dr. Duffy in New York and Delaware.
Which hospitals is Dr. Nananamibia Duffy affiliated with?
Dr. Duffy practices at Rochester General Hospital in Rochester, New York. Dr. Duffy is also affiliated with Strong Memorial Hospital. Dmand AI links Dr. Duffy to 1 more hospital.
What medical group is Dr. Nananamibia Duffy part of?
Dr. Duffy is linked to Rochester General Hospital. Dmand AI links Dr. Duffy to 5 more medical groups.
Does Dr. Nananamibia Duffy accept Medicare?
Yes. CMS data shows Dr. Duffy billed Medicare for 626 services in 2024, and Dr. Duffy accepts Medicare assignment.
What is Dr. Nananamibia Duffy's MIPS score?
Dr. Duffy's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Nananamibia Duffy see?
CMS counts 236 Medicare patients who saw Dr. Duffy in 2024, with an average age of 75.
What services does Dr. Nananamibia Duffy bill to Medicare?
In 2024, Dr. Duffy's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (17000).
Where did Dr. Nananamibia Duffy go to medical school?
Dr. Duffy graduated from Perelman School of Med at the University of Pennsylvania in 2006.
What drugs does Dr. Nananamibia Duffy prescribe most?
In 2024 Medicare Part D data, Dr. Duffy's most prescribed drugs by claims were Betamethasone Dipropionate, Ketoconazole and Triamcinolone Acetonide.
Has Dr. Nananamibia Duffy received payments from drug or device companies?
CMS Open Payments shows $9,149 in general payments to Dr. Duffy from 25 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Nananamibia Duffy been practicing?
Dr. Duffy graduated from medical school in 2006, 20 years ago.
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