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.

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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
Mailing address5700 Southwyck Blvd, Toledo, OH 43614-1509