THEADORA VIOLET ORDOG MD
NPI 1508515164
Pediatrics in Tustin, CA

NPI Status: Active since March 21, 2022

Contact Information

1 HOPE DR
TUSTIN, CA
ZIP 92782
Phone: (714) 247-0300
Fax: (714) 259-1598

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  • Individual
  • Female
  • Pediatrics

About THEADORA ORDOG

This page provides the complete NPI Profile along with additional information for Theadora Ordog, a pediatrician established in Tustin, California with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1508515164 assigned on March 2022. The practitioner's primary taxonomy code is 208000000X with license number A189743 (CA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1508515164
Provider Name
THEADORA VIOLET ORDOG MD
Gender
Female
Entity Type
Individual
Location Address
1 HOPE DR TUSTIN, CA 92782
Location Phone
(714) 247-0300
Location Fax
(714) 259-1598
Mailing Address
14642 NEWPORT AVE STE 260 TUSTIN, CA 92780
Mailing Phone
(714) 247-0300
Mailing Fax
(714) 259-1598
Is Sole Proprietor?
No
Enumeration Date
03-21-2022
Last Update Date
04-27-2026
Code Navigator

A pediatrician like Theadora Ordog 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

Secondary Locations

  • 1100B N Tustin Ave Ste A
    Santa Ana, CA 92705
    (714) 247-0300
  • 14642 Newport Ave Ste 200
    Tustin, CA 92780
    (714) 247-0300
  • 947 S Anaheim Blvd Ste 260
    Anaheim, CA 92805
    (714) 247-0300

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

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
A189743
License State
CA
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

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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 1508515164, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 0 → 0 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 0 + 1 + 1 + 0 + 1 + 1 + 2 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1508515164.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
1 HOPE DR
TUSTIN, CA 92782
Nurse Practitioner (Pediatrics)
1 HOPE DR, TUSTIN
TUSTIN, CA 92782
Nurse Practitioner (Pediatrics)
1 HOPE DR
TUSTIN, CA 92782
Registered Nurse
1 HOPE DR
TUSTIN, CA 92782
Internal Medicine (Cardiovascular Disease)
1 HOPE DR
TUSTIN, CA 92782
Social Worker (Clinical)
1 HOPE DR
TUSTIN, CA 92782
Nurse Practitioner (Family)
1 HOPE DR
TUSTIN, CA 92782
Dental Hygienist
1 HOPE DR
TUSTIN, CA 92782
Social Worker
1 HOPE DR
TUSTIN, CA 92782
Nurse Practitioner (Pediatrics)
1 HOPE DR
TUSTIN, CA 92782
Social Worker (Clinical)
1 HOPE DR
TUSTIN, CA 92782
Clinic/Center (Community Health)
1 HOPE DR
TUSTIN, CA 92782
Clinic/Center (Community Health)
1 HOPE DR
TUSTIN, CA 92782
Family Medicine
1 HOPE DR
TUSTIN, CA 92782
Social Worker (Clinical)
1 HOPE DR
TUSTIN, CA 92782
Dentist (General Practice)
1 HOPE DR
TUSTIN, CA 92782
Internal Medicine
1 HOPE DR
TUSTIN, CA 92782
Physician Assistant (Medical)
1 HOPE DR
TUSTIN, CA 92782
Family Medicine
1 HOPE DR
TUSTIN, CA 92782
Nurse Practitioner (Family)
1 HOPE DR
TUSTIN, CA 92782

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508515164, enumerated as an "individual" on March 21, 2022.

The provider is located at 1 HOPE DR TUSTIN, CA 92782 and the phone number is (714) 247-0300.

Pediatrics with taxonomy code 208000000X.