Dr. Christine M. Duffy, MD
- Medicare services, 2024
- 218
- Medicare patients, 2024
- 100
- Part D claims, 2024
- 1,952
- Hospital affiliations
- 4
- Industry payments
- $743
- Practice address
- 164 Summit Avenue, Providence, RI 02906
- Practice phone
- Call (401) 793-2500
- 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
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Dr. Christine M. Duffy is an internist in Providence, Rhode Island
Dr. Duffy practices at The Miriam Hospital in Providence, Rhode Island, part of Brown University Health.
Dr. Duffy's NPI, 1326087677, was assigned on June 5, 2006. Dr. Duffy graduated from JS Weill Medical College, Cornell University in 1998. Dr. Duffy holds Rhode Island license MD11305.
- NPI
- 1326087677NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739092016
- NPI enumeration date
- June 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (401) 793-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christine M. Duffy practices at The Miriam Hospital in Providence, Rhode Island
Dr. Duffy's primary practice is The Miriam Hospital, at 164 Summit Avenue, Providence, RI 02906 in Providence County. The practice phone is (401) 793-2500.
- The Miriam Hospital164 Summit Avenue, Providence, RI 02906 · Providence CountyPhone(401) 793-2500
Source: Dmand AI Affiliation Data
Dr. Christine M. Duffy is affiliated with 10 sites of care and 5 medical groups
Dr. Duffy's primary practice is The Miriam Hospital in Providence, Rhode Island, part of Brown University Health. Dr. Duffy is also affiliated with Rhode Island Hospital. The medical group on file is Brown Medicine. Dmand AI also links Dr. Duffy to 2 more hospitals, 5 group practices and clinics, 4 medical groups and 1 home health agency, 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. Christine M. Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duffy practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Miriam Hospital | Available with a free account |
| +9 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christine M. Duffy is one of 805 internists in Rhode Island
Internal medicine is Dr. Duffy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Duffy is licensed in Rhode Island.
Specialties and state licenses
- Internal medicine, Rhode IslandPrimary
Internists near Dr. Duffy
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. Christine M. Duffy billed Medicare for 218 services in 2024
CMS data shows 218 Medicare services from Dr. Duffy across 4 procedure codes in 2024, for 100 Medicare patients. Medicare paid $6,041 for them. Every service was in an office.
Dr. Duffy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 452024: 110144%
- Office and hospital visits
- 2023: 992024: 1089%
Dr. Duffy compared with the Rhode Island median for internists, 2024
- Dr. Duffy
- Rhode Island median
- Medicare services
- 218vs 34236% below
- Medicare patients
- 100vs 14531% below
- Part D claims
- 1,534vs 2845.4 times
Medians across 772 internists in Rhode Island 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duffy and other internists in Rhode Island.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christine M. Duffy treated 100 Medicare patients in 2024, average age 74
CMS counts 100 Medicare patients who saw Dr. Duffy in 2024. The largest group is 65 to 74, with 46 patients. 68% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duffy's median patient age at 67, with 69% women.
Dr. Duffy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Duffy's Medicare patients, 2024
- High cholesterol68%
- High blood pressure67%
- Arthritis48%
- Cancer38%
- Osteoporosis34%
- Anxiety28%
- Mood disorders26%
- Chronic kidney disease23%
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 67
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christine M. Duffy wrote 1,952 Medicare Part D claims in 2024
In 2024, Dr. Duffy wrote 1,952 Medicare Part D claims for 206 patients. 88% of them were for generic drugs. CMS names the drug for 1,534 of them, across 44 drugs with 11 or more claims each, at $88,131 in total drug cost. In 2023, CMS named 1,256 claims across 42 drugs.
Dr. Duffy's Part D claims by kind of drug, 2024
- Generic1,721 claims88%
- Brand-name216 claims11%
- Other15 claims1%
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%31 of 1,952 claims
- Antibiotics1%26 of 1,952 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: 1,2562024: 1,53422%
Drugs named by CMS: 44 in 2024, 42 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. Christine M. Duffy offers telehealth to Medicare patients
Dr. Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duffy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christine M. Duffy received $743 in industry payments from 2017 to 2020
CMS Open Payments shows 36 general payments to Dr. Duffy from 2 drug and device companies from 2017 to 2020. Food and beverage make up the largest share, 61% of the total. EMD Serono, Inc. paid the most, $450.
General payments to Dr. Duffy by program year, 2017 to 2020
General payments to Dr. Duffy by kind, 2017 to 2020
- Food and beverage$45061%
- Travel and lodging$29339%
Companies that paid Dr. Duffy the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christine M. Duffy graduated from JS Weill Medical College, Cornell University
Dr. Duffy graduated from JS Weill Medical College, Cornell University in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christine M. 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) |
| 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. Christine M. 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. Christine M. Duffy's NPI number?
Dr. Christine M. Duffy's NPI number is 1326087677. It was assigned on June 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christine M. Duffy?
Dr. Christine M. Duffy is an internist in Providence, Rhode Island. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christine M. Duffy practice?
Dr. Duffy practices at 164 Summit Avenue, Providence, RI 02906. Dr. Duffy's primary practice is The Miriam Hospital in Providence, Rhode Island, part of Brown University Health. Dmand AI also links Dr. Duffy to 2 hospitals, 5 group practices and clinics, 4 medical groups and 1 home health agency.
What is Dr. Christine M. Duffy's office phone number?
The practice phone on file for Dr. Duffy is (401) 793-2500.
What is Dr. Christine M. Duffy's medical license number?
Dr. Duffy holds Rhode Island license MD11305.
Which hospitals is Dr. Christine M. Duffy affiliated with?
Dr. Duffy practices at The Miriam Hospital in Providence, Rhode Island. Dr. Duffy is also affiliated with Rhode Island Hospital. Dmand AI links Dr. Duffy to 2 more hospitals.
What medical group is Dr. Christine M. Duffy part of?
Dr. Duffy is linked to Brown Medicine. Dmand AI links Dr. Duffy to 4 more medical groups.
Does Dr. Christine M. Duffy accept Medicare?
Yes. CMS data shows Dr. Duffy billed Medicare for 218 services in 2024, and Dr. Duffy accepts Medicare assignment.
Does Dr. Christine M. Duffy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Duffy as offering telehealth services.
How many Medicare patients does Dr. Christine M. Duffy see?
CMS counts 100 Medicare patients who saw Dr. Duffy in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Christine M. Duffy bill to Medicare?
In 2024, Dr. Duffy's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Christine M. Duffy go to medical school?
Dr. Duffy graduated from JS Weill Medical College, Cornell University in 1998.
What drugs does Dr. Christine M. Duffy prescribe most?
In 2024 Medicare Part D data, Dr. Duffy's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
Has Dr. Christine M. Duffy received payments from drug or device companies?
CMS Open Payments shows $743 in general payments to Dr. Duffy from 2 companies from 2017 to 2020. The largest total came from EMD Serono, Inc.
How long has Dr. Christine M. Duffy been practicing?
Dr. Duffy graduated from medical school in 1998, 28 years ago.
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