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

Dr. Christina L Wei, MD

Individual provider Internal Medicine Physician · NPI 1639167257

Dr. Christina L Wei, MD is an Internal Medicine in Chelmsford, Massachusetts. Graduated from University of Massachusetts Medical School in 1985, 41 years ago. Practices with Atrius Health Inc, a 1,205-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
41
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2005
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

228 Billerica Rd
Chelmsford, MA 01824-3604
Phone: (978) 250-6100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 57666 (MA)

Record details

NPI number1639167257
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 7, 2005
Last updated in NPPESNovember 17, 2020
Certification dateNovember 17, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 1985 (41 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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