Dr. Mary Anne Gaffney, MD
- Medicare services, 2024
- 487
- Medicare patients, 2024
- 171
- Part D claims, 2024
- 414
- Hospital affiliations
- 4
- Industry payments
- $181
- Practice address
- 318 Waterman Ave, East Providence, RI 02914
- Practice phone
- Call (401) 354-5340
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
North Providence Renal Center
East Providence, Rhode Island
Find Dr. Gaffney's professional email, personal email and mobile number
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Dr. Mary Anne Gaffney is a nephrologist in East Providence, Rhode Island
Dr. Gaffney practices at North Providence Renal Center in East Providence, Rhode Island.
Dr. Gaffney's NPI, 1508166851, was assigned on November 2, 2010. Dr. Gaffney graduated from Warren Alpert Medical School of Brown University in 2023. Dr. Gaffney holds Rhode Island license MD12813.
- NPI
- 1508166851NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698132306
- NPI enumeration date
- November 2, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (401) 354-5340
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Anne Gaffney practices at North Providence Renal Center in East Providence, Rhode Island
Dr. Gaffney's primary practice is North Providence Renal Center, at 318 Waterman Ave, East Providence, RI 02914 in Providence County. The practice phone is (401) 354-5340.
- North Providence Renal Center318 Waterman Ave, East Providence, RI 02914 · Providence CountyPhone(401) 354-5340
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary Anne Gaffney is affiliated with 8 sites of care and 3 medical groups
Dr. Gaffney's primary practice is North Providence Renal Center in East Providence, Rhode Island. Dr. Gaffney is also affiliated with The Miriam Hospital. The medical group on file is Brown Medicine. Dmand AI also links Dr. Gaffney to 3 more hospitals, 2 group practices and clinics, 2 medical groups and 1 dialysis center, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Anne Gaffney's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaffney practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Providence Renal Center | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Anne Gaffney is one of 39 nephrologists in Rhode Island
Nephrology is Dr. Gaffney's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Gaffney is licensed in Rhode Island.
Specialties and state licenses
- Nephrology, Rhode IslandPrimary
Nephrologists near Dr. Gaffney
Counts of nephrologists 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. Mary Anne Gaffney billed Medicare for 487 services in 2024
CMS data shows 487 Medicare services from Dr. Gaffney across 7 procedure codes in 2024, for 171 Medicare patients. Medicare paid $39,632 for them.
Dr. Gaffney's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 122024: 3843100%
- Other services
- 2023: 02024: 103
Where Dr. Gaffney's Medicare services took place, 2024
- In an office23648%
- In a facility25152%
Dr. Gaffney compared with the Rhode Island median for nephrologists, 2024
- Dr. Gaffney
- Rhode Island median
- Medicare services
- 487vs 57015% below
- Medicare patients
- 171vs 24731% below
- Part D claims
- 308vs 60549% below
Medians across 42 nephrologists in Rhode Island with Dmand AI profiles that report each measure.
Dr. Gaffney'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.
Need commercial claims for Dr. Gaffney?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gaffney and other nephrologists in Rhode Island.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Anne Gaffney treated 171 Medicare patients in 2024, average age 74
CMS counts 171 Medicare patients who saw Dr. Gaffney in 2024. The largest group is 75 to 84, with 74 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 3.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gaffney's median patient age at 70, with 58% women.
Dr. Gaffney's Medicare patients by age, 2024
Dr. Gaffney's Medicare patients by sex, 2024
- Women8751%
- Men8449%
Chronic conditions among Dr. Gaffney's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Arthritis55%
- Heart failure50%
- Ischemic heart disease49%
- Mood disorders48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gaffney'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
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Anne Gaffney wrote 414 Medicare Part D claims in 2024
In 2024, Dr. Gaffney wrote 414 Medicare Part D claims for 99 patients. 79% of them were for generic drugs. CMS names the drug for 308 of them, across 9 drugs with 11 or more claims each, at $59,627 in total drug cost. In 2021, CMS named 129 claims across 8 drugs.
Dr. Gaffney's Part D claims by kind of drug, 2024
- Generic329 claims79%
- Brand-name85 claims21%
Dr. Gaffney'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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 1292024: 308139%
Drugs named by CMS: 9 in 2024, 8 in 2021.
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. Mary Anne Gaffney offers telehealth to Medicare patients
Dr. Gaffney accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gaffney as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mary Anne Gaffney received $181 in industry payments from 2021 to 2025
CMS Open Payments shows 7 general payments to Dr. Gaffney from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $87.
General payments to Dr. Gaffney by program year, 2021 to 2025
Companies that paid Dr. Gaffney the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary Anne Gaffney graduated from Warren Alpert Medical School of Brown University
Dr. Gaffney graduated from Warren Alpert Medical School of Brown University in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary Anne Gaffney'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 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. Mary Anne Gaffney
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. Mary Anne Gaffney's NPI number?
Dr. Mary Anne Gaffney's NPI number is 1508166851. It was assigned on November 2, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Anne Gaffney?
Dr. Mary Anne Gaffney is a nephrologist in East Providence, Rhode Island. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Mary Anne Gaffney practice?
Dr. Gaffney practices at 318 Waterman Ave, East Providence, RI 02914. Dr. Gaffney's primary practice is North Providence Renal Center in East Providence, Rhode Island. Dmand AI also links Dr. Gaffney to 3 hospitals, 2 group practices and clinics, 2 medical groups and 1 dialysis center.
What is Dr. Mary Anne Gaffney's office phone number?
The practice phone on file for Dr. Gaffney is (401) 354-5340.
What is Dr. Mary Anne Gaffney's medical license number?
Dr. Gaffney holds Rhode Island license MD12813.
Which hospitals is Dr. Mary Anne Gaffney affiliated with?
Dr. Gaffney is affiliated with The Miriam Hospital. Dmand AI links Dr. Gaffney to 3 more hospitals.
What medical group is Dr. Mary Anne Gaffney part of?
Dr. Gaffney is linked to Brown Medicine. Dmand AI links Dr. Gaffney to 2 more medical groups.
Does Dr. Mary Anne Gaffney accept Medicare?
Yes. CMS data shows Dr. Gaffney billed Medicare for 487 services in 2024, and Dr. Gaffney accepts Medicare assignment.
Does Dr. Mary Anne Gaffney offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gaffney as offering telehealth services.
How many Medicare patients does Dr. Mary Anne Gaffney see?
CMS counts 171 Medicare patients who saw Dr. Gaffney in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Mary Anne Gaffney bill to Medicare?
In 2024, Dr. Gaffney's most billed Medicare services were hospital inpatient care (99233), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. Mary Anne Gaffney go to medical school?
Dr. Gaffney graduated from Warren Alpert Medical School of Brown University in 2023.
What drugs does Dr. Mary Anne Gaffney prescribe most?
In 2024 Medicare Part D data, Dr. Gaffney's most prescribed drugs by claims were Lisinopril, Torsemide and Jardiance.
Has Dr. Mary Anne Gaffney received payments from drug or device companies?
CMS Open Payments shows $181 in general payments to Dr. Gaffney from 3 companies from 2021 to 2025. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Mary Anne Gaffney been practicing?
Dr. Gaffney graduated from medical school in 2023, 3 years ago.
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