MR. TERRY CHANG M.D.
NPI 1902132194
General Practice in Washington, DC

NPI Status: Active since October 23, 2009

Contact Information

701 PENNSYLVANIA AVE NW
SUITE 800
WASHINGTON, DC
ZIP 20004
Phone: (202) 783-8700
Fax: (202) 783-8750

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  • Individual
  • Male
  • General Practice

About TERRY CHANG

This page provides the complete NPI Profile along with additional information for Terry Chang, a primary care provider established in Washington, District Of Columbia with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1902132194 assigned on October 2009. The practitioner's primary taxonomy code is 208D00000X with license number MD035853 (DC). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1902132194
Provider Name
MR. TERRY CHANG M.D.
Gender
Male
Entity Type
Individual
Location Address
701 PENNSYLVANIA AVE NW SUITE 800 WASHINGTON, DC 20004
Location Phone
(202) 783-8700
Location Fax
(202) 783-8750
Mailing Address
701 PENNSYLVANIA AVE NW SUITE 800 WASHINGTON, DC 20004
Mailing Phone
(202) 783-8700
Mailing Fax
(202) 783-8750
Is Sole Proprietor?
Yes
Enumeration Date
10-23-2009
Last Update Date
10-23-2009
Code Navigator

A primary care provider (PCP) like Terry Chang sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD035853
License State
DC
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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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 1902132194, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
9
Unchanged
Pos 3
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 2 + 3 + 4 + 1 + 1 + 8 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1902132194.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Nurse Practitioner (Family)
701 PENNSYLVANIA AVE NW
WASHINGTON, DC 20004

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902132194, enumerated as an "individual" on October 23, 2009.

The provider is located at 701 PENNSYLVANIA AVE NW SUITE 800 WASHINGTON, DC 20004 and the phone number is (202) 783-8700.

General Practice with taxonomy code 208D00000X.