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

Individual provider Clinical Psychologist · NPI 1720282239

Dr. John Henry Massimino, MD is a Clinical Psychologist in Laguna Niguel, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

30262 Crown Valley Pkwy Ste B-400
Laguna Niguel, CA 92677-2364
Phone: (949) 413-7315
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence A-36137 (CA)

Record details

NPI number1720282239
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 11, 2007
Last updated in NPPESApril 18, 2008

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