DR. NATHAN PAUL LONG M.D.
NPI 1558499319
Internal Medicine in Dallas, TX

NPI Status: Active since March 01, 2007

Contact Information

7929 BROOKRIVER DR. STE. 165
DALLAS, TX
ZIP 85247
Phone: (214) 631-5664
Fax: (214) 631-5665

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  • Individual
  • Male
  • Internal Medicine

About NATHAN LONG

This page provides the complete NPI Profile along with additional information for Nathan Long, an internist established in Dallas, Texas with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1558499319 assigned on March 2007. The practitioner's primary taxonomy code is 207R00000X with license number M5333 (TX). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1558499319
Provider Name
DR. NATHAN PAUL LONG M.D.
Gender
Male
Entity Type
Individual
Location Address
7929 BROOKRIVER DR. STE. 165 DALLAS, TX 85247
Location Phone
(214) 631-5664
Location Fax
(214) 631-5665
Mailing Address
7929 BROOKRIVER DR. STE. 165 DALLAS, TX 85247
Mailing Phone
(214) 631-5664
Mailing Fax
(214) 631-5665
Is Sole Proprietor?
Yes
Enumeration Date
03-01-2007
Last Update Date
03-18-2011
Code Navigator

An internist like Nathan Long 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.
M5333
License State
TX
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.

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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 1558499319, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 5 → 10 → 1 4 → 8 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 8 + 9 + 1 + 8 + 3 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1558499319.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558499319, enumerated as an "individual" on March 01, 2007.

The provider is located at 7929 BROOKRIVER DR. STE. 165 DALLAS, TX 85247 and the phone number is (214) 631-5664.

Internal Medicine with taxonomy code 207R00000X.