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

Michael Charles Merwin, MD

Individual provider Cytopathology Physician · NPI 1326158445

Michael Charles Merwin, MD is a Cytopathology Physician in Oroville, California. Licensed in California and New Mexico. Registered with an NPI since 2006.

Licensed in
CA, NM
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

2767 Olive Hwy Dept OF Pathology Oroville Hospital Locums
Oroville, CA 95966-6118
Phone: (530) 532-8320
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence G85015 (CA)
Cytopathology Physician Taxonomy 207ZC0500X · Licence 84219 (NM)

Record details

NPI number1326158445
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESFebruary 28, 2014