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

Frank V Linn Jr., MD

Individual provider Gastroenterology Physician · NPI 1639250327

Frank V Linn Jr., MD is a Gastroenterology in Concord, Massachusetts. Graduated from University of Michigan Medical School in 1983, 43 years ago. Practices with Middlesex Gastroenterolgy PC, a 13-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
43
Trained at
University of Michigan 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

131 Old Road To Nine Acre Corner John Cuming Bldg Ste 540
Concord, MA 01742
Phone: (978) 371-2288
Fax: (978) 371-9153
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 58433 (MA)

Record details

NPI number1639250327
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 18, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1983 (43 years in practice)
Group practice Middlesex Gastroenterolgy Pc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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