Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RAMSEY NASRI NASSAR MD
NPI 1003810938
Internal Medicine - Nephrology in Louisville, KY

Q: What is Ramsey Nassar's NPI number?

The NPI number for Ramsey Nassar is 1003810938. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Q: What is Ramsey Nassar'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 Ramsey Nassar was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Ramsey Nasri Nassar Md NPPES

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

DR. RAMSEY NASRI NASSAR MD (NPI 1003810938) is an individual nephrology provider in Louisville, Kentucky, licensed in Kentucky (25741) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Floyd, and is a graduate of University Of Toledo College Of Medicine (1983).

NPPES Registry Identity

NPI1003810938

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. RAMSEY NASRI NASSARCredential: 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 Toledo College Of MedicineGraduated 1983

Enumeration DateJune 9, 2005

Last NPPES UpdateSeptember 30, 2026

NPPES CertifiedSeptember 30, 2026

✔ NPI 1003810938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in KY · 25741✔ Licensed in IN · 01033894A

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

Open in Google Maps ↗

Other Identifiers 4

Medicaid64257413KY

Other1050712KY · Passport

Medicaid200014910AIN

Other000000062780KY · Anthem

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ramsey Nasri Nassar 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 ID1759289218

PECOS Enrollment IDI20100526000655, I20101201000901

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.

Medicare Billing Reassignments

Medicare enrollment records show Ramsey Nassar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nephrology Associates Of Kentuckiana Psc

Same address

Nephrology

6400 DUTCHMANS PKWY, SUITE 250
Louisville, KY 40205

Reassigned Medicare billing, Indiana and Kentucky enrollments
34 clinicians in this Medicare group

NPI 1730161753 (502) 587-9660

University Of Kentucky

62 mi

General Practice

2195 HARRODSBURG RD STE 175
Lexington, KY 40504

Reassigned Medicare billing, Kentucky enrollment
1,761 clinicians in this Medicare group

NPI 1194852582 (859) 257-9272

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

1,197 services315 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

351 services56 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.

286 services206 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.

224 services30 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.

198 services40 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

195 services185 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

71 services49 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.

66 services21 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.

59 services54 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

28 services25 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.

27 services26 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.

20 services20 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.

13 services13 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 Floyd

Acute Care Hospitals · New Albany, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150044

Location1850 State StNew Albany, IN 47150 · Floyd County

Emergency services Birthing friendly

Uofl Health - Shelbyville Hospital

Acute Care Hospitals · Shelbyville, KY

OwnershipVoluntary non-profit - Private

CMS Certification Number180016

Location727 Hospital DriveShelbyville, KY 40065 · Shelby 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

Baptist Health Lagrange

Acute Care Hospitals · La Grange, KY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180138

Location1025 New Moody LaneLa Grange, KY 40031 · Oldham 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 13

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

1 supplier20 claims39 services$5.80 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

1 supplier19 claims19 services$1.01 avg. paid by Medicare

Azathioprine, oral, 50 mg J7500

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier11 claims330 services$3.32 avg. paid by Medicare

Cyclosporine, oral, 100 mg J7502

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers16 claims960 services$1.55 avg. paid by Medicare

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503

Treatment-Chemotherapy · category RH002N

1 supplier57 claims36,960 services$1.20 avg. paid by Medicare

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

9 suppliers121 claims14,804 services$0.31 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. THOMAS MATTHEW GABRIEL M.D.

Orthopaedic Surgery (Hand Surgery)

6400 DUTCHMANS PKWY, STE 215
LOUISVILLE, KY 40205

Jefferson County (502) 721-8288

DR. SHARI ROSENBERG GABRIEL M.D.

Orthopaedic Surgery (Pediatric Orthopaedic Surgery)

6400 DUTCHMANS PKWY, STE 215
LOUISVILLE, KY 40205

Jefferson County (502) 721-8288

DR. KAREN MARIE ERBECK MD

Internal Medicine (Nephrology)

6400 DUTCHMANS PKWY, STE 250
LOUISVILLE, KY 40205

Jefferson County (502) 587-9660

DR. KEITH WELLINGTON MYRICK D.P.M.

Podiatrist (Foot & Ankle Surgery)

6400 DUTCHMANS PKWY, SUITE 215
LOUISVILLE, KY 40205

Jefferson County (502) 721-8288

DR. TARIQ MUHAMMAD M.D.

Internal Medicine (Nephrology)

6400 DUTCHMANS PKWY, SUITE 250
LOUISVILLE, KY 40205

Jefferson County (502) 587-9660

KRISTINA LEIGH DAWSON APRN

Nurse Practitioner (Family)

6400 DUTCHMANS PKWY, SUITE 250
LOUISVILLE, KY 40205

Jefferson County (502) 587-9660

DR. DAVID HILL GOLDSTEIN MD

Internal Medicine (Nephrology)

6400 DUTCHMANS PKWY, STE 250
LOUISVILLE, KY 40205

Jefferson County (502) 587-9660

SPECIALTY ORTHOPAEDICS, PSC

Durable Medical Equipment & Medical Supplies

6400 DUTCHMANS PKWY, SUITE 215
LOUISVILLE, KY 40205

Jefferson County (502) 721-8288

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ramsey Nassar's NPI number?

The NPI number for Ramsey Nassar is 1003810938. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Where is Ramsey Nassar located?

Ramsey Nassar practices at 6400 Dutchmans Pkwy Ste 250, Louisville, KY 40205. The listed phone number is (502) 587-9660.

What is Ramsey Nassar's specialty?

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

Is Ramsey Nassar enrolled in Medicare?

Yes. Ramsey Nassar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ramsey Nassar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ramsey Nassar reassigns Medicare benefits to 2 organizations: Nephrology Associates Of Kentuckiana Psc (Louisville, KY) and University Of Kentucky (Lexington, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ramsey Nassar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ramsey Nassar accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Ramsey Nassar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ramsey Nassar affiliated with any hospitals?

According to CMS data, Ramsey Nassar is affiliated with Baptist Health Floyd, UofL Health - Shelbyville Hospital, Norton Hospitals, Inc, Baptist Health Louisville and Baptist Health Lagrange.

When was this NPI record last updated?

The NPPES record for Ramsey Nassar was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.