DR. JOHN CHUN-LU CHANG MD
NPI 1427053370
Otolaryngology in Chambersburg, PA

NPI Status: Active since June 16, 2005

Contact Information

757 NORLAND AVENUE
SUITE 203
CHAMBERSBURG, PA
ZIP 17201
Phone: (717) 217-6870
Fax: (717) 217-6945

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  • Individual
  • Male
  • Otolaryngology

About JOHN CHANG

This page provides the complete NPI Profile along with additional information for John Chang, a provider established in Chambersburg, Pennsylvania with a medical specialization in Otolaryngology. The healthcare provider is registered in the NPI registry with number 1427053370 assigned on June 2005. The practitioner's primary taxonomy code is 207Y00000X with license number MD425419 (PA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1427053370
Provider Name
DR. JOHN CHUN-LU CHANG MD
Gender
Male
Entity Type
Individual
Location Address
757 NORLAND AVENUE SUITE 203 CHAMBERSBURG, PA 17201
Location Phone
(717) 217-6870
Location Fax
(717) 217-6945
Mailing Address
785 5TH AVENUE SUITE 3 CHAMBERSBURG, PA 17201
Mailing Phone
(717) 263-9555
Mailing Fax
(717) 217-6945
Is Sole Proprietor?
Yes
Enumeration Date
06-16-2005
Last Update Date
03-07-2023
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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

Otolaryngology

Taxonomy Code
207Y00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD425419
License State
PA
Taxonomy Description
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207YP0228XAllopathic & Osteopathic Physicians

Otolaryngology
Pediatric Otolaryngology

MD425419 (PA)
2207YS0123XAllopathic & Osteopathic Physicians

Otolaryngology
Facial Plastic Surgery

MD425419 (PA)
3207YX0007XAllopathic & Osteopathic Physicians

Otolaryngology
Plastic Surgery within the Head & Neck

MD425419 (PA)
4207YX0901XAllopathic & Osteopathic Physicians

Otolaryngology
Otology & Neurotology

MD425419 (PA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
120420405OTHER (01)PADEPT OF LABOR
161083OTHER (01)PAUNISON
2138338OTHER (01)PAFIRST HEALTH
25-1716306OTHER (01)PAINTERGROUP
1544525OTHER (01)PAGATEWAY
25-1716306OTHER (01)PAMULTIPLAN/PHCS
426713OTHER (01)PAHEALTH AMERICA
G920-0039/647200-02OTHER (01)PACAREFIRST
101236084 0001MEDICAID (05)PA 
2129690OTHER (01)PAMAMSI
25-1716306OTHER (01)PAINFORMED
25-1716306OTHER (01)PASOUTH CENTRAL PREFERRED
25-1716306OTHER (01)PAHEALTHNET/TRICARE
MD425419OTHER (01)PALICENSE
25-1716306OTHER (01)PADEVON
25-1716306OTHER (01)PAGREATWEST
50044493OTHER (01)PACAPITAL BLUECROSS
867633OTHER (01)PAMEDICARE GROUP #
3698774OTHER (01)PAAETNA HMO
P00222626OTHER (01)PARAILROAD MEDICARE
7615333OTHER (01)PAAETNA NON-HMO
CH1658644OTHER (01)PAHIGHMARK BLUE SHIELD

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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 1427053370, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 0 + 5 + 6 + 3 + 1 + 4 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1427053370.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Registered Nurse (Diabetes Educator)
757 NORLAND AVENUE, SUITE 204
CHAMBERSBURG, PA 17201
Registered Nurse (Diabetes Educator)
757 NORLAND AVENUE, SUITE 204
CHAMBERSBURG, PA 17201
Family Medicine
757 NORLAND AVENUE, SUITE 101
CHAMBERSBURG, PA 17201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427053370, enumerated as an "individual" on June 16, 2005.

The provider is located at 757 NORLAND AVENUE SUITE 203 CHAMBERSBURG, PA 17201 and the phone number is (717) 217-6870.

Otolaryngology with taxonomy code 207Y00000X.

The provider might be accepting Accepts: Medicare, Medicaid, Private Healthcare Systems. Please consult your insurance carrier or call the provider to verify.