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

John Nikolhaus Smith, MD

Individual provider Internal Medicine Physician · NPI 1639523194

John Nikolhaus Smith, MD is a Cardiovascular Disease (Cardiology) in Westbrook, Maine. Graduated from Boston University School of Medicine in 2016, 10 years ago. Practices with Mainehealth, a 2,615-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Maryland and Maine.

Years since qualifying
10
Trained at
Boston University School of Medicine
Licensed in
MD, ME
In the registry since
2016
Specialties on file
3
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

1 Riverfront Plz
Westbrook, ME 04092-2986
Phone: (207) 885-9905
Show map & directions

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

Additional practice locations (3)

  • 1800 Orleans Street, Baltimore, MD 21287 — (410) 955-7911
  • 96 Campus Dr Ste 1, Scarborough, ME 04074-7164 — (207) 885-9905
  • 71 Us Route 1 Ste C, Scarborough, ME 04074-7174 — (207) 318-8426

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD27190 (ME)
Internal Medicine Physician Taxonomy 207R00000X · Licence D0089835 (MD)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD27190 (ME)

Record details

NPI number1639523194
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 20, 2016
Last updated in NPPESJanuary 30, 2024
Certification dateJanuary 12, 2024
Mailing address1 Riverfront Plz, Westbrook, ME 04092-2986

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Westbrook