Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1003859398 Individual Practitioner Female Practitioner

Dr. Yayan Chen , MD

Pathology - Anatomic Pathology & Clinical Pathology • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Yayan Chen, MD is a certified Pathology - Anatomic Pathology & Clinical Pathology practicing in Worcester, MA. With approximately 39 years of clinical experience since completing medical education in 1987, Dr. Chen delivers high-quality medical care to the local community at 123 SUMMER ST.

Dr. Chen is affiliated with Saint Vincent Physician Services Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, pathology examination of tissue using a microscope, moderately high complexity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

123 Summer St

Worcester, MA 016081216

Telephone 5083636049
Fax 5083636136
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology & Clinical Pathology in Worcester, MA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
39 Yrs +14.2 yrs vs City Avg
City Avg: 24.8 Yrs
State Avg: 30.9 Yrs
Regional Practice Density
19 Specialists

Practicing in Worcester, MA (564 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
69.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (39 Years) 39 Yrs
Worcester Specialty Average (24.8 Years) 24.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity
389 234 $110.40 $35.94
88341 Special stained specimen slides to examine tissue
149 44 $83.00 $27.21
88307 Pathology examination of tissue using a microscope, moderately high complexity
96 53 $239.00 $79.58
88342 Special stained specimen slides to examine tissue, initial procedure
90 72 $179.00 $33.92
88311 Preparation of tissue for examination by removing any calcium present
36 28 $37.00 $11.69
88173 Evaluation of fine needle aspirate with interpretation and report
34 23 $205.00 $67.96
88304 Pathology examination of tissue using a microscope, moderately low complexity
32 30 $34.00 $10.68
88112 Cell examination of specimen, selective cellular enhancement technique
28 26 $81.00 $26.82
88300 Pathology examination of tissue using a microscope, limited examination
24 24 $14.00 $4.30
88313 Special stained specimen slides to examine tissue including interpretation and report
15 12 $35.00 $11.67

Medical Specialties & State Licenses

Pathology - Anatomic Pathology & Clinical Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0102X

State License MA 239913

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Pathology - Cytopathology

NUCC Taxonomy Code: 207ZC0500X

State License MA 239913

A cytopathologist is an anatomic pathologist trained in the diagnosis of human disease by means of the study of cells obtained from body secretions and fluids, by scraping, washing, or sponging the surface of a lesion, or by the aspiration of a tumor mass or body organ with a fine needle. A major aspect of a cytopathologist's practice is the interpretation of Papanicolaou-stained smears of cells from the female reproductive systems, the "Pap" test. However, the cytopathologist's expertise is applied to the diagnosis of cells from all systems and areas of the body. He/she is a consultant to all medical specialists.

Pathology - Hematology

NUCC Taxonomy Code: 207ZH0000X

State License MA 239913

A hematopathologist is expert in diseases that affect blood cells, blood clotting mechanisms, bone marrow and lymph nodes. This physician has the knowledge and technical skills essential for the laboratory diagnosis of anemias, leukemias, lymphomas, bleeding disorders and blood clotting disorders.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
110083392 (MA)

Hospital & Practice Group Affiliations

Saint Vincent Physician Services Inc

123 Summer St, Worcester, MA 016081216

Phone: 5083635000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Heather Morgan , PA-C

Physician Assistant

NPI 1225285430

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location November 20, 2018

Registered at 123 SUMMER ST, WORCESTER, MA 016081216 (Tel: 5083636049)

📍
Updated Business Mailing Address November 20, 2018

Registered at 123 SUMMER ST, WORCESTER, MA 016081216 (Tel: 5083636049)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 20, 2018

Pathology (License #239913 in MA)

NPI Profile Active December 02, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location December 02, 2008

Registered at 2411 HOLMES ST, KANSAS CITY, MO 641082741 (Tel: 8162356626)

📍
Updated Business Mailing Address December 02, 2008

Registered at 14101 HAUSER ST, OVERLAND PARK, KS 662212843 (Tel: 9139041198)

👤
Provider Name / Credentials Updated December 02, 2008

Recorded as YAYAN CHEN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 02, 2008

Student in an Organized Health Care Education/Training Program (License #2003016216 in MO)

🟢
Initial NPI Registration & Enumeration June 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1003859398
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 14, 2006
Last Update: November 20, 2018
Sole Proprietor: No

Mailing Address

123 Summer St

Worcester, MA 016081216

Phone: 5083636049

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.