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KEY YAN TSOI MD
NPI 1821551565
Surgery in Paintsville, KY

Active since April 10, 2019PECOS EnrolledAccepts Medicare Assignment
604 JAMES TRIMBLE BLVD, PAINTSVILLE, KY 41240(606) 788-0303(606) 788-0310 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 3, 2026, May 30, 2025, Nov 5, 2024 and 2 more (5 updates tracked since 2019).

About Key Yan Tsoi Md NPPES

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

KEY YAN TSOI MD (NPI 1821551565) is an individual surgery provider in Paintsville, Kentucky, licensed in Kentucky (59893) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Highlands Arh Regional Medical Center, and maintains a secondary practice location in Prestonsburg.

NPPES Registry Identity

NPI1821551565
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameKEY YAN TSOICredential: MD
Location Address604 JAMES TRIMBLE BLVDPaintsville, KY 41240-1528
Mailing Address604 James Trimble BlvdPaintsville, KY 41240-1528 · (606) 788-0303 · Fax (606) 788-0310
Phone(606) 788-0303
Fax(606) 788-0310
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2019
Enumeration DateApril 10, 2019
Last NPPES UpdateAugust 3, 20265 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1821551565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in KY · 59893
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
604 JAMES TRIMBLE BLVD, Paintsville, KY 41240
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Secondary Practice Location 1

Location 15000 Ky Route 321Prestonsburg, KY 41653-9113 · Phone (606) 886-3831

Other Identifiers 1

Medicaid7101007420KY

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 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

Key Yan Tsoi 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 ID6002347358
PECOS Enrollment IDI20240927001095
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

2

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

Appalachian Regional Healthcare, Inc.
89 mi
Rural Health
1084 HIGHWAY 7, SUITE 2
West Liberty, KY 41472
  • Reassigned Medicare billing, Kentucky enrollment
  • 419 clinicians in this Medicare group
NPI 1780043927 (606) 743-3065
Arh Tug Valley Health Services, Inc.
104 mi
Multi-Specialty
787 PARKWAY DR
Salyersville, KY 41465
  • Reassigned Medicare billing, Kentucky enrollment
  • 242 clinicians in this Medicare group
NPI 1942962105 (606) 349-3511

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

Hospital Affiliations CMS Care Compare 2

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

Highlands Arh Regional Medical Center

Acute Care Hospitals · Prestonsburg, KY
2/5 CMS rating
OwnershipProprietary
CMS Certification Number180005
Location5000 Kentucky Route 321Prestonsburg, KY 41653 · Floyd County
Emergency services Birthing friendly

Paul B Hall Regional Medical Center

Acute Care Hospitals · Paintsville, KY
1/5 CMS rating
OwnershipProprietary
CMS Certification Number180078
Location625 James S Trimble BoulevardPaintsville, KY 41240 · Johnson County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 41240 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
$82.24 typical visit price
range $52.76 – $162.27
Typical copayment $20.56 (range $13.19 – $40.56)
Most-billed visit code 99203
Established Patient
$66.24 typical visit price
range $16.53 – $131.99
Typical copayment $16.56 (range $4.13 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Key Yan Tsoi's NPI number?

The NPI number for Key Yan Tsoi is 1821551565. It was assigned to this individual provider in the NPPES registry on April 10, 2019.

Where is Key Yan Tsoi located?

Key Yan Tsoi practices at 604 James Trimble Blvd, Paintsville, KY 41240. The listed phone number is (606) 788-0303.

What is Key Yan Tsoi's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Key Yan Tsoi enrolled in Medicare?

Yes. Key Yan Tsoi 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 Key Yan Tsoi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Key Yan Tsoi reassigns Medicare benefits to 2 organizations: Appalachian Regional Healthcare, Inc. (West Liberty, KY) and Arh Tug Valley Health Services, Inc. (Salyersville, 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 Key Yan Tsoi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Key Yan Tsoi accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter of Tennessee and CareSource list Key Yan Tsoi 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 Key Yan Tsoi affiliated with any hospitals?

According to CMS data, Key Yan Tsoi is affiliated with Highlands Arh Regional Medical Center and Paul B Hall Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Key Yan Tsoi was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.