William Difilippo, MD
Nephrology Physician · Jamestown, NY
William Difilippo, MD is a nephrology physician with a practice address in Jamestown, New York, and NPI 1023062353, issued on May 20, 2006. Check the license (New York 219785-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Difilippo
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 219785-1 NY
MD430288 PA
Self-reported in NPPES; status is on the state search - Practice location
- 15 S Main St Ste 130, Jamestown, NY 14701
- Phone
- (716) 664-7725
- Enumerated
- May 20, 2006
- Record last updated
- Jan 3, 2025
- Fax
- (716) 664-9241
- Medicaid IDs
- 0016863990017 PA
02107899 NY
16863990002 PA - Medicare enrollment
- Enrolled (PECOS I20151026000019); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,049 in New York → Look up another NPI →
Also registered at 15 S Main St Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harris Joseph, M.D.Nephrology Physician1013583269
- Robert Kosalka, MDNephrology Physician1992291157
Verify William Difilippo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 219785-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average nephrology physician in 2024
1,275 Medicare Part D claims for 194 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amlodipine Besylate209 claims
- Bumetanide125 claims
- Furosemide103 claims
- Hydralazine Hcl86 claims
- Losartan Potassium66 claims
- Allopurinol46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $33.64
2 payments; by number, the most common kind was food and beverage; the largest payer was Akebia Therapeutics Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Great Lakes Physician Practice PCFredonia, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Difilippo among 1,049 nephrology physician records in New York
William Difilippo, MD is one of 1,049 nephrology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1988 · median 1999 among the 764 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in New York
There are 1,049 nephrology physician records in New York.
All 1,049 in New York → Every provider in Jamestown → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Dominick CannoneJamestown, NY 147011295777399
- Harris Joseph, M.D.Jamestown, NY 147011013583269
- Robert Kosalka, MDJamestown, NY 147011992291157
- Hugh Adams, MDRochester, NY 146421356637482
- Md Saiful Alom, MDRochester, NY 146421760838189
- Syed Bokhari, M.D.Rochester, NY 146421619324456
- David Dewolfe, MDRochester, NY 146421154614386
- Erika Drury, M.D.Rochester, NY 146421619315363
Common questions
What is William Difilippo, MD's NPI number?
William Difilippo, MD's National Provider Identifier (NPI) is 1023062353, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Difilippo, MD located?
The NPPES record lists a practice address at 15 S Main St Ste 130, Jamestown, NY, 14701. Phone: (716) 664-7725. Providers update this record themselves, so call before visiting.
How can I verify William Difilippo, MD's license?
NPPES lists New York license number 219785-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Difilippo, MD prescribe under Medicare Part D?
In 2024, William Difilippo, MD had 1,275 Medicare Part D claims for 194 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.