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

Dr. Mark Andrews Jr., MD

Individual provider Internal Medicine Physician · NPI 1720425838

Dr. Mark Andrews Jr., MD is an Internal Medicine in Worcester, Massachusetts. Qualified in 2009, 17 years ago. Practices with Reliant Medical Group Inc, a 638-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
17
Licensed in
MA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

123 Summer St
Worcester, MA 01608-1216
Phone: (508) 363-5000
Show map & directions

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

Additional practice locations (3)

  • 157 Union St, Marlborough, MA 01752-1228 — (508) 486-5678
  • 119 Belmont St, Worcester, MA 01605-2903 — (508) 334-8515
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 334-8515

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 284154 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 273365 (MA)

Record details

NPI number1720425838
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 30, 2013
Last updated in NPPESMay 10, 2021
Certification dateMay 10, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Reliant Medical Group Inc — 638 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Worcester