Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Yayan Chen, MD

Individual provider Cytopathology Physician · NPI 1003859398

Dr. Yayan Chen, MD is a Pathology in Worcester, Massachusetts. Qualified in 1987, 39 years ago. Practices with Saint Vincent Physician Services Inc, a 72-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
39
Licensed in
MA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

123 Summer St
Worcester, MA 01608-1216
Phone: (508) 363-6049
Fax: (508) 363-6136
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 239913 (MA)
Cytopathology Physician Taxonomy 207ZC0500X · Licence 239913 (MA)
Hematology (Pathology) Physician Taxonomy 207ZH0000X · Licence 239913 (MA)

Record details

NPI number1003859398
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESNovember 20, 2018
Mailing address123 Summer St, Worcester, MA 01608-1216

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Saint Vincent Physician Services Inc — 72 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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