DR. LEON L CHEN M.D.
NPI 1801194873
Pediatrics - Pediatric Gastroenterology in Long Beach, CA

NPI Status: Active since March 01, 2011

Contact Information

1760 TERMINO AVE
SUITE 300
LONG BEACH, CA
ZIP 90804
Phone: (562) 933-8513
Fax: (562) 933-8744

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  • Individual
  • Male
  • Pediatrics
  • Pediatric Gastroenterology

About LEON CHEN

This page provides the complete NPI Profile along with additional information for Leon Chen, a pediatrician established in Long Beach, California with a medical specialization in Pediatrics, focusing in pediatric gastroenterology . The healthcare provider is registered in the NPI registry with number 1801194873 assigned on March 2011. The practitioner's primary taxonomy code is 2080P0206X with license number 124950 (CA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1801194873
Provider Name
DR. LEON L CHEN M.D.
Gender
Male
Entity Type
Individual
Location Address
1760 TERMINO AVE SUITE 300 LONG BEACH, CA 90804
Location Phone
(562) 933-8513
Location Fax
(562) 933-8744
Mailing Address
1760 TERMINO AVE SUITE 300 LONG BEACH, CA 90804
Mailing Phone
(562) 933-8513
Mailing Fax
(562) 933-8744
Is Sole Proprietor?
Yes
Enumeration Date
03-01-2011
Last Update Date
07-25-2014
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A pediatrician like Leon Chen 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 Pediatric Gastroenterology

Taxonomy Code
2080P0206X
Type
Allopathic & Osteopathic Physicians
License No.
124950
License State
CA
Taxonomy Description
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.

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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 1801194873, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
3
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 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 + 8 + 0 + 1 + 2 + 9 + 8 + 8 + 1 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1801194873.

Other Providers at the Same Location


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

Obstetrics & Gynecology
1760 TERMINO AVE, SUITE 200
LONG BEACH, CA 90804
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
1760 TERMINO AVE, SUITE 308
LONG BEACH, CA 90804
Ophthalmology
1760 TERMINO AVE, #107
LONG BEACH, CA 90804
Orthopaedic Surgery
1760 TERMINO AVE, SUITE 308
LONG BEACH, CA 90804
Pediatrics (Pediatric Gastroenterology)
1760 TERMINO AVE, SUITE 301
LONG BEACH, CA 90804
Pediatrics (Pediatric Gastroenterology)
1760 TERMINO AVE, SUITE 301
LONG BEACH, CA 90804
Counselor (Mental Health)
1760 TERMINO AVE, SUITE 105
LONG BEACH, CA 90804
Ophthalmology
1760 TERMINO AVE, SUITE 107
LONG BEACH, CA 90804
Family Medicine
1760 TERMINO AVE, SUITE 222
LONG BEACH, CA 90804
Family Medicine
1760 TERMINO AVE, #307
LONG BEACH, CA 90804
Legal Medicine
1760 TERMINO AVE, SUITE 116
LONG BEACH, CA 90804
Internal Medicine (Cardiovascular Disease)
1760 TERMINO AVE, SUTE 314
LONG BEACH, CA 90804
Pediatrics (Pediatric Gastroenterology)
1760 TERMINO AVE, SUITE 300
LONG BEACH, CA 90804
Nurse Practitioner (Pediatrics)
1760 TERMINO AVE, STE. 300
LONG BEACH, CA 90804
Pediatrics (Pediatric Gastroenterology)
1760 TERMINO AVE, SUITE 300
LONG BEACH, CA 90804
Podiatrist
1760 TERMINO AVE, 309
LONG BEACH, CA 90804
Obstetrics & Gynecology
1760 TERMINO AVE, SUITE 200
LONG BEACH, CA 90804
Podiatrist (Foot Surgery)
1760 TERMINO AVE, #309
LONG BEACH, CA 90804
General Acute Care Hospital (Children)
1760 TERMINO AVE
LONG BEACH, CA 90804
Orthopaedic Surgery
1760 TERMINO AVE, 208
LONG BEACH, CA 90804

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801194873, enumerated as an "individual" on March 01, 2011.

The provider is located at 1760 TERMINO AVE SUITE 300 LONG BEACH, CA 90804 and the phone number is (562) 933-8513.

Pediatrics with taxonomy code 2080P0206X and a focus in Pediatric Gastroenterology.