DR. WEISI YAN M.D.
NPI 1649405028
Radiology - Radiation Oncology in Lexington, KY

Q: What is Weisi Yan's NPI number?

The NPI number for Weisi Yan is 1649405028. It was assigned to this individual provider in the NPPES registry on May 28, 2009.

Q: What is Weisi Yan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Weisi Yan was last updated on October 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 May 28, 2009PECOS EnrolledAccepts Medicare Assignment

95.5/100

CMS Quality Rating

800 ROSE ST STE C114D, LEXINGTON, KY 40536(859) 257-7618(859) 257-4060 Get Directions Write a Review

NPPES record last updated: October 17, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 17, 2023, Apr 3, 2023, Jun 9, 2021 and 1 more (4 updates tracked since 2018).

On this page

About Dr. Weisi Yan M.d. NPPES

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

DR. WEISI YAN M.D. (NPI 1649405028) is an individual radiation oncology provider in Lexington, Kentucky, licensed in Kentucky (54791) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with University Of Kentucky Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1649405028

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. WEISI YANCredential: M.D.

Location Address800 ROSE ST STE C114DLexington, KY 40536-8426

Mailing Address501 S 54th St, Ste 186Philadelphia, PA 19143-1900 · (215) 748-9360

Phone(859) 257-7618

Fax(859) 257-4060

Sole ProprietorNo

Medical School CMSOther

Enumeration DateMay 28, 2009

Last NPPES UpdateOctober 17, 20234 updates tracked since enumeration

NPPES CertifiedOctober 17, 2023

✔ NPI 1649405028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in KY · 54791✔ Licensed in NY · 2628841✔ Licensed in TX · U3134✔ Licensed in PA · MD464262✔ Licensed in AL · 32717

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

800 ROSE ST STE C114D, Lexington, KY 40536

Open in Google Maps ↗

Secondary Practice Locations 2

Location 11660 Spring Hill AveMobile, AL 36604-1405 · Phone (251) 665-8000 · Fax (251) 665-8010

Location 21 Trillium WayCorbin, KY 40701-8426 · Phone (606) 526-4770 · Fax (606) 526-4771

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter of Tennessee 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. Weisi Yan M.d. 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 ID1658596721

PECOS Enrollment IDI20210112002067

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 Weisi Yan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Kentucky

Same address

General Acute Care Hospital

800 ROSE ST
Lexington, KY 40536

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

NPI 1518911338 (859) 323-5470

Kentucky Medical Services Foundation, Inc

3.4 mi

Internal Medicine

2333 ALUMNI PARK PLZ, SUITE 200
Lexington, KY 40517

Reassigned Medicare billing, Kentucky enrollment
1,502 clinicians in this Medicare group

NPI 1326091448 (859) 257-7910

Baptist Health Medical Group Inc

4.0 mi

Nurse Practitioner

4071 TATES CREEK CENTRE DR, STE 202
Lexington, KY 40517

Reassigned Medicare billing, Kentucky enrollment
999 clinicians in this Medicare group

NPI 1518360296 (859) 260-4390

University Of South Alabama

545 mi

Clinical Medical Laboratory

2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617

Reassigned Medicare billing, Alabama enrollment
394 clinicians in this Medicare group

NPI 1497859052 (251) 471-7000

Dickinson County Healthcare System

563 mi

Rural Health

500 MAIN ST
Norway, MI 49870

Reassigned Medicare billing, Michigan enrollment
136 clinicians in this Medicare group

NPI 1053580365 (906) 563-9255

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 19

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

758 services67 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

181 services53 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

154 services32 patients

Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session G6015

Intensity-modulated radiation therapy (IMRT) is a type of cancer treatment. It uses advanced technology to manipulate photon beams of radiation to conform to the shape of a tumor. IMRT allows for the radiation dose to conform more precisely to the three-dimensional shape of the tumor by modulatingâ€”or controllingâ€”the intensity of the radiation beam. This can result in better tumor control and less harm to healthy tissue.

137 services25 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

91 services58 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

90 services52 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

80 services11 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

57 services57 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

52 services47 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

47 services46 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

47 services47 patients

Continuing radiation therapy consultation per week 77336

Continuing radiation therapy consultation per week involves regular meetings with your healthcare team. These sessions help monitor your progress, manage side effects, and adjust your treatment plan if necessary. It's a key part of ensuring the effectiveness of your radiation therapy.

37 services23 patients

Radiation treatment management, 5 treatment sessions 77427

36 services22 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

17 services16 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

14 services14 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

13 services13 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.

13 services13 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.

12 services12 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

University Of Kentucky Hospital

Acute Care Hospitals · Lexington, KY

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number180067

Location800 Rose StreetLexington, KY 40536 · Fayette County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40536 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

$162.27 typical visit price

range $52.76 – $162.27

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

Most-billed visit code 99205

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

89.59

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 6

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

GRAHAM WALTER WARREN MD

Radiology (Radiation Oncology)