MR. HWANG NAM CHANG MD
NPI 1235201666
Internal Medicine in Newark, NY

NPI Status: Active since November 14, 2006

Contact Information

165 EAST UNION ST SUITE 202
NEWARK, NY
ZIP 14513
Phone: (315) 331-4422
Fax: (315) 331-9584

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  • Individual
  • Male
  • Internal Medicine

About HWANG NAM CHANG

This page provides the complete NPI Profile along with additional information for Hwang Nam Chang, an internist established in Newark, New York with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1235201666 assigned on November 2006. The practitioner's primary taxonomy code is 207R00000X with license number 121387 (NY). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1235201666
Provider Name
MR. HWANG NAM CHANG MD
Gender
Male
Entity Type
Individual
Location Address
165 EAST UNION ST SUITE 202 NEWARK, NY 14513
Location Phone
(315) 331-4422
Location Fax
(315) 331-9584
Mailing Address
165 EAST UNION STREET SUITE 202 NEWARK, NY 14513
Mailing Phone
(315) 331-4422
Mailing Fax
(315) 331-9584
Is Sole Proprietor?
No
Enumeration Date
11-14-2006
Last Update Date
07-06-2010
Code Navigator

An internist like Hwang Nam Chang is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
121387
License State
NY
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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.

*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
10292BMEDICARE ID-TYPE UNSPECIFIED (04)NY 
00452713MEDICAID (05)NY 
D01590MEDICARE UPIN (02) 

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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 1235201666, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
6
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 3 → 6 2 → 4 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 4 + 0 + 2 + 6 + 1 + 2 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1235201666.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235201666, enumerated as an "individual" on November 14, 2006.

The provider is located at 165 EAST UNION ST SUITE 202 NEWARK, NY 14513 and the phone number is (315) 331-4422.

Internal Medicine with taxonomy code 207R00000X.

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