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

NPI Status: Active since January 27, 2007

Contact Information

101 THE CITY DR S
ORANGE, CA
ZIP 92868
Phone: (714) 456-6933
Fax: (714) 456-8850

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  • Individual
  • Male
  • Pediatrics
  • Neonatal-Perinatal Medicine

About JACK SILLS

This page provides the complete NPI Profile along with additional information for Jack Sills, a pediatrician established in Orange, California with a medical specialization in Pediatrics, focusing in neonatal-perinatal medicine . The healthcare provider is registered in the NPI registry with number 1528114774 assigned on January 2007. The practitioner's primary taxonomy code is 2080N0001X with license number G43525 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1528114774
Provider Name
DR. JACK HOWARD SILLS MD
Gender
Male
Entity Type
Individual
Location Address
101 THE CITY DR S ORANGE, CA 92868
Location Phone
(714) 456-6933
Location Fax
(714) 456-8850
Mailing Address
1581 LOMA VERDA LN SANTA ANA, CA 92705
Mailing Phone
(714) 832-0583
Mailing Fax
(714) 456-8850
Is Sole Proprietor?
No
Enumeration Date
01-27-2007
Last Update Date
07-08-2007
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A pediatrician like Jack Sills is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Pediatrics Neonatal-Perinatal Medicine

Taxonomy Code
2080N0001X
Type
Allopathic & Osteopathic Physicians
License No.
G43525
License State
CA
Taxonomy Description
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.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1528114774, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
1
Doubled → 2
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 1 → 2 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 4 + 8 + 2 + 1 + 8 + 7 + 1 + 4 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1528114774.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
101 THE CITY DR S
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Genetic Counselor, MS
101 THE CITY DR S, DEPARTMENT OF PEDIATRICS
ORANGE, CA 92868
Urology
101 THE CITY DR S
ORANGE, CA 92868
Nurse Anesthetist, Certified Registered
101 THE CITY DR S
ORANGE, CA 92868
Surgery
101 THE CITY DR S
ORANGE, CA 92868
Pediatrics (Pediatric Nephrology)
101 THE CITY DR S, BLDG. 56, SUITE 600
ORANGE, CA 92868
Otolaryngology (Otology & Neurotology)
101 THE CITY DR S, BLDG 56, SUITE 500 RTE 81
ORANGE, CA 92868
Anesthesiology
101 THE CITY DR S
ORANGE, CA 92868
Pediatrics (Neurodevelopmental Disabilities)
101 THE CITY DR S
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S
ORANGE, CA 92868
Internal Medicine
101 THE CITY DR S
ORANGE, CA 92868
Urology
101 THE CITY DR S
ORANGE, CA 92868
Internal Medicine (Nephrology)
101 THE CITY DR S
ORANGE, CA 92868
Pediatrics
101 THE CITY DR S
ORANGE, CA 92868
Anesthesiology
101 THE CITY DR S
ORANGE, CA 92868
Nurse Anesthetist, Certified Registered
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Internal Medicine (Hematology & Oncology)
101 THE CITY DR S
ORANGE, CA 92868

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528114774, enumerated as an "individual" on January 27, 2007.

The provider is located at 101 THE CITY DR S ORANGE, CA 92868 and the phone number is (714) 456-6933.

Pediatrics with taxonomy code 2080N0001X and a focus in Neonatal-Perinatal Medicine.