DX TX INTERNAL MEDICINE, LTD.
NPI 1720035751
Internal Medicine in Chicago, IL

NPI Status: Active since May 27, 2006

Contact Information

200 S MICHIGAN AVE
SUITE 830
CHICAGO, IL
ZIP 60604
Phone: (312) 922-2500
Fax: (312) 922-2523

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  • Organization
  • Internal Medicine

About DX TX INTERNAL MEDICINE, LTD.

This page provides the complete NPI Profile along with additional information for Dx Tx Internal Medicine, Ltd., an internist established in Chicago, Illinois operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1720035751 assigned on May 2006. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated 6 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. Christopher R Lynch M.d. (Physician Owner)

NPI
1720035751
Provider Name
DX TX INTERNAL MEDICINE, LTD.
Entity Type
Organization
Location Address
200 S MICHIGAN AVE SUITE 830 CHICAGO, IL 60604
Location Phone
(312) 922-2500
Location Fax
(312) 922-2523
Mailing Address
1730 PARK ST SUITE 101 NAPERVILLE, IL 60563
Mailing Phone
(630) 718-0200
Mailing Fax
(312) 922-2523
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-27-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Dx Tx Internal Medicine, Ltd. 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
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.

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. CHRISTOPHER R LYNCH M.D.

Authorized Official Title
PHYSICIAN OWNER
Authorized Official Phone
(312) 922-2500

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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 1720035751, 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 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
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 0 → 0 5 → 10 → 1 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 + 4 + 0 + 0 + 3 + 1 + 0 + 7 + 1 + 0 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1720035751.

Other Providers at the Same Location


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

Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUTIE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, STE 805
CHICAGO, IL 60604
Clinical Neuropsychologist
200 S MICHIGAN AVE, SUITE 710
CHICAGO, IL 60604
Obstetrics & Gynecology
200 S MICHIGAN AVE, SUITE 1550
CHICAGO, IL 60604
Dentist
200 S MICHIGAN AVE, SUITE 1400
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 830
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 830
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine (Adolescent Medicine)
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 830
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, STE 830
CHICAGO, IL 60604
Obstetrics & Gynecology
200 S MICHIGAN AVE, SUITE 1550
CHICAGO, IL 60604
Internal Medicine
200 S MICHIGAN AVE, SUITE 805
CHICAGO, IL 60604
Psychologist
200 S MICHIGAN AVE, SUITE 710
CHICAGO, IL 60604

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720035751, enumerated as an "organization" on May 27, 2006.

The provider is located at 200 S MICHIGAN AVE SUITE 830 CHICAGO, IL 60604 and the phone number is (312) 922-2500.

Internal Medicine with taxonomy code 207R00000X.