CHRIS CHANG MD
NPI 1548292105
Surgery - Pediatric Surgery in Allentown, PA

NPI Status: Active since July 06, 2006

Contact Information

1259 S CEDAR CREST BLVD
SUITE 210
ALLENTOWN, PA
ZIP 18103
Phone: (610) 402-7999

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  • Individual
  • Male
  • Surgery
  • Pediatric Surgery

About CHRIS CHANG

This page provides the complete NPI Profile along with additional information for Chris Chang, a provider established in Allentown, Pennsylvania with a medical specialization in Surgery, focusing in pediatric surgery . The healthcare provider is registered in the NPI registry with number 1548292105 assigned on July 2006. The practitioner's primary taxonomy code is 2086S0120X with license number MD035361L (PA). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1548292105
Provider Name
CHRIS CHANG MD
Gender
Male
Entity Type
Individual
Location Address
1259 S CEDAR CREST BLVD SUITE 210 ALLENTOWN, PA 18103
Location Phone
(610) 402-7999
Mailing Address
PO BOX 1754 ALLENTOWN, PA 18105
Is Sole Proprietor?
No
Enumeration Date
07-06-2006
Last Update Date
04-01-2011
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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

Surgery Pediatric Surgery

Taxonomy Code
2086S0120X
Type
Allopathic & Osteopathic Physicians
License No.
MD035361L
License State
PA
Taxonomy Description
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.

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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 1548292105, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
0
Doubled → 0
Check
5
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 4 → 8 2 → 4 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 4 + 9 + 4 + 1 + 0 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1548292105.

Other Providers at the Same Location


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

Psychologist (Clinical)
1259 S CEDAR CREST BLVD, STE 325
ALLENTOWN, PA 18103
Surgery (Vascular Surgery)
1259 S CEDAR CREST BLVD, SUITE 301
ALLENTOWN, PA 18103
Dentist (Oral and Maxillofacial Surgery)
1259 S CEDAR CREST BLVD, SUITE 302
ALLENTOWN, PA 18103
Dentist (Oral and Maxillofacial Surgery)
1259 S CEDAR CREST BLVD, SUITE 302
ALLENTOWN, PA 18103
Dentist (Oral and Maxillofacial Surgery)
1259 S CEDAR CREST BLVD, SUITE 302
ALLENTOWN, PA 18103
Dermatology (Procedural Dermatology)
1259 S CEDAR CREST BLVD, STE 100
ALLENTOWN, PA 18103
Dentist (Endodontics)
1259 S CEDAR CREST BLVD, SUITE 315
ALLENTOWN, PA 18103
Surgery (Vascular Surgery)
1259 S CEDAR CREST BLVD, SUITE 301
ALLENTOWN, PA 18103
Surgery (Pediatric Surgery)
1259 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Internal Medicine
1259 S CEDAR CREST BLVD, SUITE 310
ALLENTOWN, PA 18103
Chiropractor
1259 S CEDAR CREST BLVD, SUITE 317
ALLENTOWN, PA 18103
Social Worker
1259 S CEDAR CREST BLVD, SUITE 115
ALLENTOWN, PA 18103
Social Worker (Clinical)
1259 S CEDAR CREST BLVD, STE 205
ALLENTOWN, PA 18103
Counselor (Professional)
1259 S CEDAR CREST BLVD, SUITE 319
ALLENTOWN, PA 18103
Psychologist (Clinical Child & Adolescent)
1259 S CEDAR CREST BLVD, SUITE 319
ALLENTOWN, PA 18103
Marriage & Family Therapist
1259 S CEDAR CREST BLVD, SUITE 115
ALLENTOWN, PA 18103
Urology (Pediatric Urology)
1259 S CEDAR CREST BLVD, 235
ALLENTOWN, PA 18103
Specialist
1259 S CEDAR CREST BLVD, STE. 245
ALLENTOWN, PA 18103
Psychiatry & Neurology (Neurology)
1259 S CEDAR CREST BLVD, SUITE 230
ALLENTOWN, PA 18103
Clinical Nurse Specialist (Adult Health)
1259 S CEDAR CREST BLVD, SUITE 301
ALLENTOWN, PA 18103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548292105, enumerated as an "individual" on July 06, 2006.

The provider is located at 1259 S CEDAR CREST BLVD SUITE 210 ALLENTOWN, PA 18103 and the phone number is (610) 402-7999.

Surgery with taxonomy code 2086S0120X and a focus in Pediatric Surgery.