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YI YI TSAI MD
NPI 1790845832
Internal Medicine in Louisville, KY

Active since December 11, 2006PECOS Enrolled
6400 DUTCHMANS PKWY, SUITE 210, LOUISVILLE, KY 40205(502) 897-1740(502) 896-1294 Get Directions Write a Review

NPPES record last updated: March 9, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Yi Yi Tsai Md NPPES

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

YI YI TSAI MD (NPI 1790845832) is an individual internal medicine provider in Louisville, Kentucky, licensed in Kentucky (28194) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790845832
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameYI YI TSAICredential: MD
Location Address6400 DUTCHMANS PKWY, SUITE 210Louisville, KY 40205
Mailing Address6400 Dutchmans Pkwy, Suite 210Louisville, KY 40205 · (502) 897-1740 · Fax (502) 896-1294
Phone(502) 897-1740
Fax(502) 896-1294
Sole ProprietorNo
Enumeration DateDecember 11, 2006
Last NPPES UpdateMarch 9, 2011
✔ NPI 1790845832 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in KY · 28194
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
6400 DUTCHMANS PKWY, Louisville, KY 40205
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Other Identifiers 3

Medicare UPINF58557
Medicare ID-Type Unspecified1692401KY
Medicaid64281942KY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yi Yi Tsai Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Yi Yi Tsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tsai Internal Medicine, Inc.
Same address
Internal Medicine
6400 DUTCHMANS PKWY, SUITE 210
Louisville, KY 40205
  • Reassigned Medicare billing, Kentucky enrollment
NPI 1174813141 (502) 897-1740

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 8

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.

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.
160 services106 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.
134 services94 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
127 services73 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
120 services120 patients
Urine microalbumin (protein) analysis 82044
Urine microalbumin analysis is a test that measures the amount of a protein called albumin in your urine. This protein is usually present in very small amounts, but higher levels can indicate kidney issues. The test is non-invasive and involves a simple urine sample.
90 services86 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
35 services35 patients

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

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
10 suppliers18 claims36 services$4.78 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. RAMSEY NASRI NASSAR MD
Internal Medicine (Nephrology)
6400 DUTCHMANS PKWY, STE 250
LOUISVILLE, KY 40205
Jefferson County (502) 587-9660
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

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 Yi Yi Tsai's NPI number?

The NPI number for Yi Yi Tsai is 1790845832. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is Yi Yi Tsai located?

Yi Yi Tsai practices at 6400 Dutchmans Pkwy Suite 210, Louisville, KY 40205. The listed phone number is (502) 897-1740.

What is Yi Yi Tsai's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Yi Yi Tsai enrolled in Medicare?

Yes. Yi Yi Tsai is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yi Yi Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yi Yi Tsai reassigns Medicare benefits to Tsai Internal Medicine, Inc. (Louisville, KY). The 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 Yi Yi Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Yi Yi Tsai was last updated on March 9, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.