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

Dr. Jack Howard Sills, MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1528114774

Dr. Jack Howard Sills, MD is a Neonatal-Perinatal Medicine Physician in Orange, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-6933
Fax: (714) 456-8850
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 G43525 (CA)

Record details

NPI number1528114774
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 27, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1581 Loma Verda Ln, Santa Ana, CA 92705-3075

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