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DR. JACK HOWARD SILLS MD
NPI 1528114774
Pediatrics - Neonatal-Perinatal Medicine in Orange, CA

Active since January 27, 2007
101 THE CITY DR S, ORANGE, CA 92868(714) 456-6933(714) 456-8850 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jack Howard Sills Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JACK HOWARD SILLS MD (NPI 1528114774) is an individual neonatal-perinatal medicine provider in Orange, California, licensed in California (G43525) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1528114774
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. JACK HOWARD SILLSCredential: MD
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address1581 Loma Verda LnSanta Ana, CA 92705-3075 · (714) 832-0583 · Fax (714) 505-8732
Phone(714) 456-6933
Fax(714) 456-8850
Sole ProprietorNo
Enumeration DateJanuary 27, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1528114774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in CA · G43525
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
101 THE CITY DR S, Orange, CA 92868
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANKIT BHUPENDRA PATEL D.O.
Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-5113
DR. LAURA CATHERINE SKOCZYLAS MD
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Orange County (714) 456-8224
MICHAEL CHENG DO
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7110
AESTHETIC AND PLASTIC SURGERY INSTITUTE
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-2986
JOSEPH VILLARREAL M.D.
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Orange County (714) 456-5239
DEMI TRAN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Orange County (171) 456-6693
DR. ISABEL CARLTON CLARK M.D.
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7890
DYLAN LUKATO
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Orange County (415) 218-8041

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jack Sills's NPI number?

The NPI number for Jack Sills is 1528114774. It was assigned to this individual provider in the NPPES registry on January 27, 2007.

Where is Jack Sills located?

Jack Sills practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-6933.

What is Jack Sills's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

When was this NPI record last updated?

The NPPES record for Jack Sills was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.