JOHN THEUS MD
NPI 1821179581
Pathology - Blood Banking & Transfusion Medicine in Little Rock, AR

NPI Status: Active since October 18, 2006

Contact Information

4301 W MARKHAM ST # 783
LITTLE ROCK, AR
ZIP 72205
Phone: (501) 686-8000

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Insurance Plans Accepted
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Pathology
Blood Banking & Transfusion Medicine

About JOHN THEUS

This page provides the complete NPI Profile along with additional information for John Theus, a provider established in Little Rock, Arkansas with a medical specialization in Pathology, focusing in blood banking & transfusion medicine . The healthcare provider is registered in the NPI registry with number 1821179581 assigned on October 2006. The practitioner's primary taxonomy code is 207ZB0001X with license number E-4569 (AR). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI: 1821179581
Provider Name: JOHN THEUS MD
Gender: Male
Entity Type: Individual
Location Address: 4301 W MARKHAM ST # 783 LITTLE ROCK, AR 72205
Location Phone: (501) 686-8000
Mailing Address: 4301 W MARKHAM ST # 783 LITTLE ROCK, AR 72205
Mailing Phone: (501) 686-8000
Is Sole Proprietor?: No
Enumeration Date: 10-18-2006
Last Update Date: 03-06-2008
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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: Pathology Blood Banking & Transfusion Medicine
Taxonomy Code: 207ZB0001X
Type: Allopathic & Osteopathic Physicians
License No.: E-4569
License State: AR
Taxonomy Description: A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	207ZP0105X	Allopathic & Osteopathic Physicians	Pathology Clinical Pathology/Laboratory Medicine	E-4569 (AR)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Railroad Medicare

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
I39611	MEDICARE UPIN (02)
5N319	MEDICARE PIN (08)
P00232691	OTHER (01)	AR	RAILROAD MEDICARE

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 1821179581, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 4

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

Check

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 2 → 4 1 → 2 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 7 + 1 + 8 + 5 + 1 + 6 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1821179581.