Dr. William Difilippo, MD
- Medicare services, 2024
- 748
- Medicare patients, 2024
- 296
- Part D claims, 2024
- 1,275
- Publications
- 8
- Clinical trials
- 1
- Practice address
- 207 Foote Avenue, Jamestown, NY 14701
- Practice phone
- Call (716) 487-0141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Difilippo'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. William Difilippo is a nephrologist in Jamestown, New York
Dr. Difilippo practices at UPMC Chautauqua in Jamestown, New York, part of University of Pittsburgh Medical Center.
Dr. Difilippo's NPI, 1023062353, was assigned on May 20, 2006. Dr. Difilippo graduated from St. George's University School of Medicine in 1988. Dr. Difilippo holds Pennsylvania license MD430288.
- NPI
- 1023062353NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466424452
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 487-0141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Difilippo practices at UPMC Chautauqua in Jamestown, New York
Dr. Difilippo's primary practice is UPMC Chautauqua, at 207 Foote Avenue, Jamestown, NY 14701 in Chautauqua County. The practice phone is (716) 487-0141.
- UPMC Chautauqua207 Foote Avenue, Jamestown, NY 14701 · Chautauqua CountyPhone(716) 487-0141
Source: Dmand AI Affiliation Data
Dr. William Difilippo is affiliated with 7 sites of care and 2 medical groups
Dr. Difilippo's primary practice is UPMC Chautauqua in Jamestown, New York, part of University of Pittsburgh Medical Center. Dr. Difilippo is also affiliated with WVU Medicine Uniontown Hospital. The medical group on file is UPMC Hamot. Dmand AI also links Dr. Difilippo to 2 more hospitals, 2 dialysis centers, 1 group practice or clinic and 1 medical group, 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. William Difilippo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Difilippo practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UPMC Chautauqua | Available with a free account |
| +6 more sites and 1 medical group | 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 University of Pittsburgh Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Difilippo is one of 914 nephrologists in New York
Nephrology is Dr. Difilippo's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Difilippo is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Difilippo's licenses on file in 5 states: Pennsylvania, New York, Ohio, West Virginia and New Jersey.
Specialties and state licenses
- Nephrology, PennsylvaniaPrimary
- Specialist, New York
- Ohio license
- West Virginia license
- New Jersey license
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease, fluid and electrolyte imbalances, hypercalcemia, kidney cysts and parathyroid gland disorder among the conditions Dr. Difilippo treats.
Nephrologists near Dr. Difilippo
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. William Difilippo billed Medicare for 748 services in 2024
CMS data shows 748 Medicare services from Dr. Difilippo across 6 procedure codes in 2024, for 296 Medicare patients. Medicare paid $42,245 for them.
Dr. Difilippo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7502024: 6987%
- Tests and treatments
- 2023: 1242024: 5060%
Where Dr. Difilippo's Medicare services took place, 2024
- In an office17123%
- In a facility57777%
Dr. Difilippo compared with the New York median for nephrologists, 2024
- Dr. Difilippo
- New York median
- Medicare services
- 748vs 6899% above
- Medicare patients
- 296vs 21736% above
- Part D claims
- 1,135vs 4362.6 times
Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.
Dr. Difilippo'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. Difilippo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Difilippo and other nephrologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Difilippo treated 296 Medicare patients in 2024, average age 75
CMS counts 296 Medicare patients who saw Dr. Difilippo in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 3.32, 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. Difilippo's median patient age at 74, with 50% women.
Dr. Difilippo's Medicare patients by age, 2024
Dr. Difilippo's Medicare patients by sex, 2024
- Women14248%
- Men15452%
Chronic conditions among Dr. Difilippo's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes62%
- Arthritis57%
- Heart failure55%
- Ischemic heart disease53%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Difilippo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Difilippo wrote 1,275 Medicare Part D claims in 2024
In 2024, Dr. Difilippo wrote 1,275 Medicare Part D claims for 194 patients. 91% of them were for generic drugs. CMS names the drug for 1,135 of them, across 29 drugs with 11 or more claims each, at $84,006 in total drug cost. In 2023, CMS named 632 claims across 19 drugs.
Dr. Difilippo's Part D claims by kind of drug, 2024
- Generic1,159 claims91%
- Brand-name116 claims9%
Dr. Difilippo'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. Difilippo's Part D claims, 2024
- Antibiotics2%26 of 1,275 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: 6322024: 1,13580%
Drugs named by CMS: 29 in 2024, 19 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
How Dr. William Difilippo takes part in Medicare
Dr. Difilippo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William Difilippo has 8 publications on record
Dmand AI links 8 papers to Dr. Difilippo, published from 2010 to 2018. 2018 was the busiest year, with 2. Dr. Difilippo has published most often in Cureus. Dr. Difilippo's most frequent co-authors are Ion D. Bucaloiu, MD, Evan R. Norfolk, MD and Edward J. Gorak, DO.
Dr. Difilippo's papers by year, 2010 to 2018
Dr. Difilippo's most frequent co-authors
- Ion D. Bucaloiu, MD2 shared papers
- Evan R. Norfolk, MD2 shared papers
- Edward J. Gorak, DO1 shared paper
Recent publications by Dr. Difilippo
See who Dr. Difilippo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Difilippo 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. William Difilippo has worked on 1 clinical trial
Dmand AI links Dr. Difilippo to 1 clinical trial.
Investigators on the most trials with Dr. Difilippo
- Herbert David Aronow, MD1 shared trial
- James Brian Byrd, MD1 shared trial
- Edward Dent Frederickson, MD1 shared trial
Recent clinical trials with Dr. Difilippo
SYMPLICITY HTN-3 Renal Denervation in Patients With Uncontrolled Hypertension (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. William Difilippo received $412 in industry payments from 2019 to 2024
CMS Open Payments shows 20 general payments to Dr. Difilippo from 9 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 84% of the total. Akebia Therapeutics Inc paid the most, $97.
General payments to Dr. Difilippo by program year, 2019 to 2024
General payments to Dr. Difilippo by kind, 2019 to 2024
- Food and beverage$34884%
- Education$6416%
Companies that paid Dr. Difilippo the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Difilippo has 1 award and honors on record
Dmand AI lists 1 award for Dr. Difilippo, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Difilippo
- 2012
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. William Difilippo graduated from St. George's University School of Medicine
Dr. Difilippo graduated from St. George's University School of Medicine in 1988. Dr. Difilippo is a member of ASH, ASN and NKF.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. William Difilippo accepts plans from 12 insurance carriers
Dr. Difilippo is in network with 12 carriers, including Aetna, Highmark and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Highmark
- Blue Cross Blue Shield of Michigan
- Cigna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Amerihealth Caritas
- +4 more carriersWith a free account
Plan types Dr. Difilippo accepts, by number of carriers
- Medicare8
- PPO7
- HMO4
- Medicaid3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. William Difilippo'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. William Difilippo
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. William Difilippo's NPI number?
Dr. William Difilippo's NPI number is 1023062353. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Difilippo?
Dr. William Difilippo is a nephrologist in Jamestown, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. William Difilippo practice?
Dr. Difilippo practices at 207 Foote Avenue, Jamestown, NY 14701. Dr. Difilippo's primary practice is UPMC Chautauqua in Jamestown, New York, part of University of Pittsburgh Medical Center. Dmand AI also links Dr. Difilippo to 2 hospitals, 2 dialysis centers, 1 group practice or clinic and 1 medical group.
What is Dr. William Difilippo's office phone number?
The practice phone on file for Dr. Difilippo is (716) 487-0141.
What is Dr. William Difilippo's medical license number?
Dr. Difilippo holds Pennsylvania license MD430288, one of the licenses on file in 5 states.
Which states has Dr. William Difilippo been licensed in?
Dmand AI has state licenses on file for Dr. Difilippo in Pennsylvania (2006 to 2026), New York (2000 to 2026), Ohio (2021 to 2023), West Virginia (1996 to 2018) and New Jersey (1992 to 2001).
Which hospitals is Dr. William Difilippo affiliated with?
Dr. Difilippo practices at UPMC Chautauqua in Jamestown, New York. Dr. Difilippo is also affiliated with WVU Medicine Uniontown Hospital. Dmand AI links Dr. Difilippo to 2 more hospitals.
What medical group is Dr. William Difilippo part of?
Dr. Difilippo is linked to UPMC Hamot. Dmand AI links Dr. Difilippo to 1 more medical group.
Does Dr. William Difilippo accept Medicare?
Yes. CMS data shows Dr. Difilippo billed Medicare for 748 services in 2024, and Dr. Difilippo accepts Medicare assignment.
How many Medicare patients does Dr. William Difilippo see?
CMS counts 296 Medicare patients who saw Dr. Difilippo in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. William Difilippo board certified?
Yes. Dr. Difilippo is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. William Difilippo bill to Medicare?
In 2024, Dr. Difilippo's most billed Medicare services were hospital inpatient care (99231), office visit, established patient (99213) and hospital inpatient care (99232).
Where did Dr. William Difilippo go to medical school?
Dr. Difilippo graduated from St. George's University School of Medicine in 1988.
What drugs does Dr. William Difilippo prescribe most?
In 2024 Medicare Part D data, Dr. Difilippo's most prescribed drugs by claims were Amlodipine Besylate, Bumetanide and Furosemide.
Has Dr. William Difilippo received payments from drug or device companies?
CMS Open Payments shows $412 in general payments to Dr. Difilippo from 9 companies from 2019 to 2024. The largest total came from Akebia Therapeutics Inc.
How long has Dr. William Difilippo been practicing?
Dr. Difilippo graduated from medical school in 1988, 38 years ago.
Does Dr. William Difilippo do research?
Dmand AI links 8 publications to Dr. Difilippo, published from 2010 to 2018. Dr. Difilippo has worked on 1 clinical trial.
Who does Dr. William Difilippo publish with?
Dr. Difilippo's most frequent co-authors are Ion D. Bucaloiu, MD (2 shared papers), Evan R. Norfolk, MD (2 shared papers) and Edward J. Gorak, DO (1 shared paper).
What insurance does Dr. William Difilippo accept?
Dr. Difilippo is in network with 12 carriers, including Aetna, Highmark and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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