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

Dr. Abby Melissa Irwin, MD

Individual provider Psychiatry Physician · NPI 1033444922

Dr. Abby Melissa Irwin, MD is a Psychiatry Physician in Lewisburg, Pennsylvania. Practices as a sole proprietor. Licensed in California and Pennsylvania.

Licensed in
CA, PA
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

115 Farley Cir Ste 304
Lewisburg, PA 17837-9252 Not confirmed with CMS for 10 years — call before visiting
Phone: (570) 428-9405
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD453761 (PA)
Psychiatry Physician Taxonomy 2084P0800X · Licence A109129 (CA)

Record details

NPI number1033444922
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 9, 2009
Last updated in NPPESAugust 23, 2016

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