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

Dan S Nguyen, MD

Individual provider Family Medicine Physician · NPI 1235198334

Dan S Nguyen, MD is a Family Practice in N Chelmsford, Massachusetts. Graduated from University of Massachusetts Medical School in 1998, 28 years ago. Practices with Chelmsford Family Practice, PC, a 10-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
28
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2006
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

10 Adams St
N Chelmsford, MA 01863-1746
Phone: (978) 251-3159
Fax: (978) 251-0636
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 209069 (MA)

Record details

NPI number1235198334
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2006
Last updated in NPPESMay 15, 2008
Mailing address10 Adams St, N Chelmsford, MA 01863-1746

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 1998 (28 years in practice)
Group practice Chelmsford Family Practice, Pc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in N Chelmsford