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

Individual provider Anesthesiology Physician · NPI 1386621100

Dr. Gregory J. Macchio, MD is an Anesthesiology Physician in Mission Viejo, California. Licensed in Indiana. Registered with an NPI since 2005.

Licensed in
IN
In the registry since
2005
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

27700 Medical Center Rd
Mission Viejo, CA 92691-6426
Phone: (949) 364-1400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 01044919A (IN)

Record details

NPI number1386621100
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 22, 2005
Last updated in NPPESAugust 30, 2010

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