DR. WILLIAM ANDRE DUFF (MD) – Nephrology Physician, NPI 1366446213

DR. WILLIAM ANDRE DUFF (MD) is a healthcare provider. based in Louisville, Kentucky. specializing in NEPHROLOGY. They hold the professional credentials MD. They hold a License No. 29503 (KY). The NPI Number for DR. WILLIAM ANDRE DUFF (MD) is 1366446213

Main info

Male
36 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM ANDRE DUFF (MD)
NPI
1366446213
Phone
(502) 587-9660
Address
6400 DUTCHMANS PKWY
Enumeration Date
9 June 2005
Last Update Date
29 August 2007

Doctor Profile

Medical School Name
UNIVERSITY OF LOUISVILLE SCHOOL OF MEDICINE
Secondary Phone
8127343966
Graduation Year
1990 (36 years ago)
PAC ID
5193621472
Group Practice PAC ID
4183522618
Professional Enrollment ID
I20101020000923
Address ID
IN471123095CO313XXDRXX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

197 NEPHROLOGY in KY

Loading map...

Provider Addresses for DR. WILLIAM ANDRE DUFF (MD)

  • 6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States

    STE 250

    LOUISVILLE, KY 402053340

    Phone: (502) 587-9660

    Fax: (502) 540-5615

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 150 Open Payments records for all available years, with a total value of $2,966.

Total Amount is formed as General ($2,966) + Research ($0) + Ownership ($0) = $2,966.

Last reported payment date: 2024-12-30 • Largest payer in this snapshot: Travere Therapeutics, Inc. ($341).

Total Amount

$2,966

General + Research + Ownership

Payments

150

Total payment records

General Amount

$2,966

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-30

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-10-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100609000927INephrologyKYTBD
I20101020000923INephrologyINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes816215$0
99213Established patient office or other outpatient visit, 20-29 minutes454301$0
81003Automated urinalysis test219175$0
90960Dialysis services, 4 or more physician visits per month (20 years or older)21625$0
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month9643$0
View full utilization report →

Insurance plans in this area (ZIP 40205)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4183522618View full group profile
NameSpecialtyState
Internal Medicine, NephrologyKY
Nephrology, Internal MedicineKY
Nurse PractitionerKY
Nurse PractitionerKY
Nurse PractitionerKY
Internal Medicine, NephrologyKY
Nurse PractitionerKY
N E P H R O L O G YKY
-KY
-KY

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the 10-digit NPI for DR. WILLIAM ANDRE DUFF (MD)?
DR. WILLIAM ANDRE DUFF (MD) — NPI 1366446213 — is the standard way to identify this listing.
Is DR. WILLIAM ANDRE DUFF (MD) listed as active for patients and plans?
The listing shows DR. WILLIAM ANDRE DUFF (MD) as active in the NPI system.
What is DR. WILLIAM ANDRE DUFF (MD)'s specialty?
The listing groups DR. WILLIAM ANDRE DUFF (MD) with Nephrology Physician. Clinical services aligned with this taxonomy classification.
Where should I expect DR. WILLIAM ANDRE DUFF (MD) on a map?
Expect Louisville, Kentucky as a primary anchor for DR. WILLIAM ANDRE DUFF (MD) unless the record lists multiple sites.
Is the information about DR. WILLIAM ANDRE DUFF (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

Similar Providers

DR. DAVID HILL GOLDSTEIN (MD)

Nephrology Physician
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1083616163

DR. RICHARD SCOTT CORNELL (MD)

Nephrology Physician
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1376545327

DR. DANNY WOO (MD)

Nephrology Physician
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1710989884
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1972505030
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1215931159

DR. ROBERT ELMER LEE (MD)

Nephrology Physician
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1245234111

DR. PATRICK SERGIO HAYDEN (MD)

Nephrology Physician
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1245234095

DR. DON RYAN DUFF (MD)

Nephrology Physician
Dutchmans Lane, Louisville, Jefferson County, Kentucky, 40207, United States
NPI: 1154325900

DR. BRUCE SHOO TANG CHANG (MD)

Nephrology Physician
6400, Dutchmans Parkway, St. Matthews, Jefferson County, Kentucky, 40205, United States
NPI: 1780688630