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

Marshall Rob Chamberlin, MD

Individual provider Hospitalist Physician · NPI 1003044488

Marshall Rob Chamberlin, MD is an Internal Medicine in Scarborough, Maine. Graduated from Boston University School of Medicine in 2009, 17 years ago. Practices with Mainehealth, a 2,615-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
17
Trained at
Boston University School of Medicine
Licensed in
ME
In the registry since
2009
Specialties on file
2
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

300 Professional Dr Ste 2B
Scarborough, ME 04074-8897
Phone: (207) 883-3491
Fax: (207) 885-5587
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD20716 (ME)
Hospitalist Physician Taxonomy 208M00000X · Licence MD20716 (ME)

Record details

NPI number1003044488
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 24, 2009
Last updated in NPPESMarch 30, 2020
Certification dateMarch 30, 2020
Mailing address190 Riverside St, Suite 6b, Portland, ME 04103-1073

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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