DR. WILLIAM DOWELL MCKNIGHT MD
NPI 1740248459
Internal Medicine - Gastroenterology in Little Rock, AR

NPI Status: Active since May 02, 2006

Contact Information

4301 W MARKHAM ST
#567
LITTLE ROCK, AR
ZIP 72205
Phone: (501) 686-5177
Fax: (501) 686-6248

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About WILLIAM MCKNIGHT

This page provides the complete NPI Profile along with additional information for William Mcknight, an internist established in Little Rock, Arkansas with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1740248459 assigned on May 2006. The practitioner's primary taxonomy code is 207RG0100X with license number C4439 (AR). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1740248459
Provider Name
DR. WILLIAM DOWELL MCKNIGHT MD
Gender
Male
Entity Type
Individual
Location Address
4301 W MARKHAM ST #567 LITTLE ROCK, AR 72205
Location Phone
(501) 686-5177
Location Fax
(501) 686-6248
Mailing Address
4301 W MARKHAM ST #567 LITTLE ROCK, AR 72205
Mailing Phone
(501) 686-5177
Mailing Fax
(501) 686-6248
Is Sole Proprietor?
No
Enumeration Date
05-02-2006
Last Update Date
01-30-2008
Code Navigator

An internist like William Mcknight 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
C4439
License State
AR
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal 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.

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
1322100001OTHER (01)ARQUALCHOICE
53571MEDICARE ID-TYPE UNSPECIFIED (04)AR 
P00381033OTHER (01)ARRAILROAD MEDICARE1
D04477MEDICARE UPIN (02)AR 

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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 1740248459, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 4 → 8 2 → 4 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 4 + 4 + 1 + 6 + 4 + 1 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1740248459.

Other Providers at the Same Location


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

Pharmacist
4301 W MARKHAM ST, #522
LITTLE ROCK, AR 72205
Pharmacist
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Genetic Counselor, MS
4301 W MARKHAM ST, UAMS #506
LITTLE ROCK, AR 72205
Surgery
4301 W MARKHAM ST, #520
LITTLE ROCK, AR 72205
Nurse Practitioner
4301 W MARKHAM ST, SLOT #783
LITTLE ROCK, AR 72205
Genetic Counselor, MS
4301 W MARKHAM ST, SLOT 506
LITTLE ROCK, AR 72205
Radiology (Diagnostic Radiology)
4301 W MARKHAM ST, UNIVERSITY OF ARKANSAS, DEPT OF RADIOLOGY
LITTLE ROCK, AR 72205
Radiology (Vascular & Interventional Radiology)
4301 W MARKHAM ST, #556
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST, SLOT 641
LITTLE ROCK, AR 72205
Internal Medicine (Geriatric Medicine)
4301 W MARKHAM ST, REYNOLDS CENTER ON AGING #748
LITTLE ROCK, AR 72205
Colon & Rectal Surgery
4301 W MARKHAM ST, #520-1
LITTLE ROCK, AR 72205
Surgery
4301 W MARKHAM ST, SLOT 725
LITTLE ROCK, AR 72205
Physical Medicine & Rehabilitation
4301 W MARKHAM ST, 602A
LITTLE ROCK, AR 72205
Surgery (Surgical Oncology)
4301 W MARKHAM ST, SLOT 725
LITTLE ROCK, AR 72205
Anesthesiology
4301 W MARKHAM ST, SLOT 515
LITTLE ROCK, AR 72205
Internal Medicine (Rheumatology)
4301 W MARKHAM ST, SLOT 509
LITTLE ROCK, AR 72205
Family Medicine (Geriatric Medicine)
4301 W MARKHAM ST, 748
LITTLE ROCK, AR 72205
Ophthalmology
4301 W MARKHAM ST, 523
LITTLE ROCK, AR 72205
Plastic Surgery
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Emergency Medicine
4301 W MARKHAM ST
LITTLE ROCK, AR 72205

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740248459, enumerated as an "individual" on May 02, 2006.

The provider is located at 4301 W MARKHAM ST #567 LITTLE ROCK, AR 72205 and the phone number is (501) 686-5177.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

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