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

Dr. Ralph V Harder, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1528094885

Dr. Ralph V Harder, MD is a Critical Care Medicine (Internal Medicine) Physician in Auburn, Maine. Licensed in Maine. Registered with an NPI since 2006.

Licensed in
ME
In the registry since
2006
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

15 Gracelawn Rd Ste 203
Auburn, ME 04210-6334
Phone: (207) 330-3930
Fax: (207) 753-3093
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 012044 (ME)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 012044 (ME)

Record details

NPI number1528094885
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 25, 2006
Last updated in NPPESJuly 10, 2011
Mailing addressPo Box 1638, Albany, NY 12201-1638