THOMAS KENNETH EHNI
NPI 1750684668
Internal Medicine - Rheumatology in Arlington Heights, IL

NPI Status: Active since December 15, 2010

Contact Information

1215 S ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL
ZIP 60005
Phone: (847) 378-8612
Fax: (847) 378-8617

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  • Organization
  • Internal Medicine
  • Rheumatology

About THOMAS KENNETH EHNI

This page provides the complete NPI Profile along with additional information for Thomas Kenneth Ehni, an internist established in Arlington Heights, Illinois operating as a Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1750684668 assigned on December 2010. The practitioner's primary taxonomy code is 207RR0500X with license number 036-089182 (IL). The provider is registered as an organization and their NPI record was last updated 14 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Thomas Kenneth Ehni Md (Partner)

NPI
1750684668
Provider Name
THOMAS KENNETH EHNI
Entity Type
Organization
Location Address
1215 S ARLINGTON HEIGHTS RD ARLINGTON HEIGHTS, IL 60005
Location Phone
(847) 378-8612
Location Fax
(847) 378-8617
Mailing Address
1215 S ARLINGTON HEIGHTS RD ARLINGTON HEIGHTS, IL 60005
Mailing Phone
(847) 378-8612
Mailing Fax
(847) 378-8617
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-15-2010
Last Update Date
01-30-2012
Code Navigator

An internist like Thomas Kenneth Ehni 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 Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
036-089182
License State
IL
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. THOMAS KENNETH EHNI MD

Authorized Official Title
PARTNER
Authorized Official Phone
(847) 378-8612

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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 1750684668, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
5
Doubled → 10 → 1 + 0
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 6 → 12 → 3 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 0 + 0 + 1 + 2 + 8 + 8 + 6 + 1 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1750684668.

Other Providers at the Same Location


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

Internal Medicine (Rheumatology)
1215 S ARLINGTON HEIGHTS RD
ARLINGTON HEIGHTS, IL 60005

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1750684668, enumerated as an "organization" on December 15, 2010.

The provider is located at 1215 S ARLINGTON HEIGHTS RD ARLINGTON HEIGHTS, IL 60005 and the phone number is (847) 378-8612.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.