DR. WILLIAM ANDRE DUFF MD
NPI 1366446213
Internal Medicine - Nephrology in Louisville, KY

Q: What is William Duff's NPI number?

The NPI number for William Duff is 1366446213. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Q: What is William Duff's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for William Duff was last updated on August 29, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 09, 2005PECOS EnrolledAccepts Medicare Assignment

6400 DUTCHMANS PKWY, STE 250, LOUISVILLE, KY 40205(502) 587-9660(502) 540-5615 Get Directions Write a Review

NPPES record last updated: August 29, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. William Andre Duff Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM ANDRE DUFF MD (NPI 1366446213) is an individual nephrology provider in Louisville, Kentucky, licensed in Kentucky (29503) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Hardin, and is a graduate of University Of Louisville School Of Medicine (1990).

NPPES Registry Identity

NPI1366446213

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. WILLIAM ANDRE DUFFCredential: MD

Location Address6400 DUTCHMANS PKWY, STE 250Louisville, KY 40205-3340

Mailing Address6400 Dutchmans Pkwy, Ste 250Louisville, KY 40205-3340 · (502) 587-9660 · Fax (502) 540-5615

Phone(502) 587-9660

Fax(502) 540-5615

Sole ProprietorNo

Medical School CMSUniversity Of Louisville School Of MedicineGraduated 1990

Enumeration DateJune 9, 2005

Last NPPES UpdateAugust 29, 2007

✔ NPI 1366446213 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in KY · 29503

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

6400 DUTCHMANS PKWY, Louisville, KY 40205

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Other Identifiers 6

Other000000062785KY · Anthem

Medicare UPING08283KY

Medicare ID-Type Unspecified0219912KY

Medicaid64295033KY

Medicare ID-Type Unspecified124270DIN

Other1050703KY · Passport

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter from Meridian and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Andre Duff Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193621472

PECOS Enrollment IDI20100609000927, I20101020000923

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

740 services209 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

430 services70 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

415 services297 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

199 services167 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

177 services21 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

176 services154 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

98 services35 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

86 services78 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

53 services53 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

38 services27 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

28 services28 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Health Hardin

Acute Care Hospitals · Elizabethtown, KY

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number180012

Location913 North Dixie AvenueElizabethtown, KY 42701 · Hardin County

Emergency services

Jewish Hospital & St Mary's Healthcare

Acute Care Hospitals · Louisville, KY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180040

Location200 Abraham Flexner WayLouisville, KY 40202 · Jefferson County

Emergency services

Norton Hospitals, Inc

Acute Care Hospitals · Louisville, KY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180088

Location200 East Chestnut StreetLouisville, KY 40202 · Jefferson County

Emergency services Birthing friendly

Baptist Health Louisville

Acute Care Hospitals · Louisville, KY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180130

Location4000 Kresge WayLouisville, KY 40207 · Jefferson County

Emergency services Birthing friendly

University Of Louisville Hospital

Acute Care Hospitals · Louisville, KY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180141

Location530 South Jackson StreetLouisville, KY 40202 · Jefferson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.77 typical visit price

range $52.76 – $162.27

Typical copayment $30.69 (range $13.19 – $40.56)

Most-billed visit code 99204

Established Patient

$93.94 typical visit price

range $16.53 – $131.99

Typical copayment $23.48 (range $4.13 – $32.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Azathioprine, oral, 50 mg J7500