Acute Kidney InjuryBrain InjuriesHemofiltration
Dr. Jeffrey S. Stoff, MD
NPI1417931718
- Medicare services, 2023
- 144
- Part D claims, 2024
- 514
- Publications
- 5
- MIPS score, 2024
- 100
- Industry payments
- $1,886
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
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Dr. Jeffrey S. Stoff is a nephrologist in Mendon, Massachusetts
Dr. Stoff practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Stoff's NPI, 1417931718, was assigned on December 1, 2005. Dr. Stoff graduated from State University of New York at Buffalo School of Medicine in 1968. Dr. Stoff holds Massachusetts license 35664.
NPI and contact details
- NPI
- 1417931718NPI Registry (opens in a new tab)
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 84
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Jeffrey S. Stoff practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Stoff's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jeffrey S. Stoff is affiliated with 1 site of care and 1 medical group
Dr. Stoff's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. The medical group on file is UMass Memorial Medical Group.
Umass Memorial Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jeffrey S. Stoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stoff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey S. Stoff is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Stoff's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Stoff is licensed in Massachusetts.
Specialties and state licenses
- Nephrology, MassachusettsPrimary
Nephrologists near Dr. Stoff
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
351nephrologists in Massachusetts
8nephrologists in Mendon
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jeffrey S. Stoff billed Medicare for 144 services in 2023
CMS data shows 144 Medicare services from Dr. Stoff across 2 procedure codes in 2023, all of them office visits. Medicare paid $11,054 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2023144
Paid by Medicare$11,054
Procedure codes2
Dr. Stoff's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1702023: 14415%
Dr. Stoff compared with the Massachusetts median for nephrologists, 2023
- Dr. Stoff
- Massachusetts median
- Medicare services
- 144vs 70179% below
- Part D claims
- 341vs 47128% below
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Stoff's most billed Medicare procedure codes, 2023
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. Jeffrey S. Stoff's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Stoff's median patient age at 67, with 100% women.
Dr. Stoff'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
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Jeffrey S. Stoff wrote 514 Medicare Part D claims in 2024
In 2024, Dr. Stoff wrote 514 Medicare Part D claims for 55 patients. 96% of them were for generic drugs. CMS names the drug for 341 of them, across 13 drugs with 11 or more claims each, at $23,809 in total drug cost. In 2023, CMS named 798 claims across 26 drugs.
Part D claims, 2024514
Drugs named by CMS13
Total drug cost$23,809
Part D patients55
Dr. Stoff's Part D claims by kind of drug, 2024
- Generic491 claims96%
- Brand-name23 claims4%
Dr. Stoff'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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7982024: 34157%
Drugs named by CMS: 13 in 2024, 26 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. Jeffrey S. Stoff scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Stoff for performance year 2024, reported through an alternative payment model (APM).
Dr. Stoff's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 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. Jeffrey S. Stoff has 5 publications on record
Dmand AI links 5 papers to Dr. Stoff, published from 2010 to 2017. 2017 was the busiest year, with 2. The most frequent topics are Brain Injuries, Hemofiltration and Kidney Transplantation. Dr. Stoff has published most often in Chest. Dr. Stoff's most frequent co-authors are Francis Leo Delmonico, MD, Muhammad Waqar Khattak, MD and Alan B. Leichtman, MD.
Papers5
Years published2010 to 2017
Dr. Stoff's papers by year, 2010 to 2017
Topics Dr. Stoff writes about most
- Brain Injuries
- Hemofiltration
- Kidney Transplantation
- Renal Replacement Therapy
Dr. Stoff's most frequent co-authors
- Francis Leo Delmonico, MD1 shared paper
- Muhammad Waqar Khattak, MD1 shared paper
- Alan B. Leichtman, MD1 shared paper
Recent publications by Dr. Stoff
Brain InjuriesHemofiltrationRenal Dialysis
J Electrocardiol
AlgorithmsDiagnosis, Computer-AssistedElectrocardiography
Am J Transplant
DivorceHealthcare DisparitiesHealth Services Accessibility
Kidney TransplantationPredictive Value of TestsTissue Donors
See who Dr. Stoff researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stoff works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jeffrey S. Stoff received $1,886 in industry payments from 2016 to 2023
CMS Open Payments shows 4 general payments to Dr. Stoff from 3 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 99% of the total. Shire North American Group Inc paid the most, $1,866.
General payments to Dr. Stoff by program year, 2016 to 2023
General payments to Dr. Stoff by kind, 2016 to 2023
$1.9Kin total
- Consulting fees$1,86699%
- Food and beverage$161%
- Education$40%
Companies that paid Dr. Stoff the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey S. Stoff graduated from State University of New York at Buffalo School of Medicine
Dr. Stoff graduated from State University of New York at Buffalo School of Medicine in 1968.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey S. Stoff'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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Jeffrey S. Stoff
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. Jeffrey S. Stoff's NPI number?
Dr. Jeffrey S. Stoff's NPI number is 1417931718. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey S. Stoff?
Dr. Jeffrey S. Stoff is a nephrologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Jeffrey S. Stoff practice?
Dr. Stoff practices at 55 North Ave, Mendon, MA 01756. Dr. Stoff's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts.
What is Dr. Jeffrey S. Stoff's office phone number?
The practice phone on file for Dr. Stoff is (508) 334-1000.
What is Dr. Jeffrey S. Stoff's medical license number?
Dr. Stoff holds Massachusetts license 35664.
What medical group is Dr. Jeffrey S. Stoff part of?
Dr. Stoff is linked to UMass Memorial Medical Group.
Does Dr. Jeffrey S. Stoff accept Medicare?
Yes. CMS data shows Dr. Stoff billed Medicare for 144 services in 2023.
What is Dr. Jeffrey S. Stoff's MIPS score?
Dr. Stoff's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
What services does Dr. Jeffrey S. Stoff bill to Medicare?
In 2023, Dr. Stoff's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Jeffrey S. Stoff go to medical school?
Dr. Stoff graduated from State University of New York at Buffalo School of Medicine in 1968.
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What drugs does Dr. Jeffrey S. Stoff prescribe most?
In 2024 Medicare Part D data, Dr. Stoff's most prescribed drugs by claims were Furosemide, Prednisone and Lisinopril.
Has Dr. Jeffrey S. Stoff received payments from drug or device companies?
CMS Open Payments shows $1,886 in general payments to Dr. Stoff from 3 companies from 2016 to 2023. The largest total came from Shire North American Group Inc.
How long has Dr. Jeffrey S. Stoff been practicing?
Dr. Stoff graduated from medical school in 1968, 58 years ago.
Does Dr. Jeffrey S. Stoff do research?
Dmand AI links 5 publications to Dr. Stoff, published from 2010 to 2017.
Who does Dr. Jeffrey S. Stoff publish with?
Dr. Stoff's most frequent co-authors are Francis Leo Delmonico, MD (1 shared paper), Muhammad Waqar Khattak, MD (1 shared paper) and Alan B. Leichtman, MD (1 shared paper).
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