ANDREW P CHANG MD
NPI 1376521021
Psychiatry & Neurology - Neurology in Willmar, MN

NPI Status: Active since January 04, 2006

Contact Information

101 WILLMAR AVE SW
WILLMAR, MN
ZIP 56201
Phone: (320) 214-6962

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About ANDREW CHANG

This page provides the complete NPI Profile along with additional information for Andrew Chang, a provider established in Willmar, Minnesota with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1376521021 assigned on January 2006. The practitioner's primary taxonomy code is 2084N0400X with license number 41838 (MN). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1376521021
Provider Name
ANDREW P CHANG MD
Gender
Male
Entity Type
Individual
Location Address
101 WILLMAR AVE SW WILLMAR, MN 56201
Location Phone
(320) 214-6962
Mailing Address
101 WILLMAR AVE SW WILLMAR, MN 56201
Mailing Phone
(320) 214-6962
Is Sole Proprietor?
Yes
Enumeration Date
01-04-2006
Last Update Date
07-08-2007
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
41838
License State
MN
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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
G14840MEDICARE UPIN (02)MN 

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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 1376521021, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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
3
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 7 → 14 → 5 5 → 10 → 1 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 4 + 6 + 1 + 0 + 2 + 2 + 0 + 4 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1376521021.

Other Providers at the Same Location


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

Internal Medicine (Nephrology)
101 WILLMAR AVE SW
WILLMAR, MN 56201
Internal Medicine
101 WILLMAR AVE SW
WILLMAR, MN 56201
Ophthalmology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Anesthesiology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Family Medicine
101 WILLMAR AVE SW
WILLMAR, MN 56201
Obstetrics & Gynecology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Obstetrics & Gynecology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Optometrist
101 WILLMAR AVE SW
WILLMAR, MN 56201
Anesthesiology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Anesthesiology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Obstetrics & Gynecology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Surgery
101 WILLMAR AVE SW
WILLMAR, MN 56201
Family Medicine
101 WILLMAR AVE SW
WILLMAR, MN 56201
Urology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Surgery
101 WILLMAR AVE SW
WILLMAR, MN 56201
Surgery
101 WILLMAR AVE SW
WILLMAR, MN 56201
Ophthalmology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Obstetrics & Gynecology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Family Medicine
101 WILLMAR AVE SW
WILLMAR, MN 56201
Pediatrics
101 WILLMAR AVE SW
WILLMAR, MN 56201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1376521021, enumerated as an "individual" on January 04, 2006.

The provider is located at 101 WILLMAR AVE SW WILLMAR, MN 56201 and the phone number is (320) 214-6962.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

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