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

Dr. John J Miller Jr., MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1174586317

Dr. John J Miller Jr., MD is a Neonatal-Perinatal Medicine Physician in Ladera Ranch, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

2 Franciscan Ct
Ladera Ranch, CA 92694-1538
Phone: (949) 274-3340
Fax: (949) 861-4885
Show map & directions

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

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence G26813 (CA)

Record details

NPI number1174586317
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 10, 2006
Last updated in NPPESOctober 13, 2021
Certification dateOctober 13, 2021