LINDON TRAN
NPI 1780487280
Internal Medicine in Chicago, IL

NPI Status: Active since March 31, 2025

Contact Information

5841 S. MARYLAND AVE
M/C 7082
CHICAGO, IL
ZIP 60637
Phone: (773) 702-6840
Fax: (773) 834-3950

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  • Individual
  • Internal Medicine

About LINDON TRAN

This page provides the complete NPI Profile along with additional information for Lindon Tran, an internist established in Chicago, Illinois operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1780487280 assigned on March 2025. The practitioner's primary taxonomy code is 207R00000X with license number 125.088099 (IL). The provider is registered as an individual and their NPI record was last updated June 2026.

NPI
1780487280
Provider Name
LINDON TRAN
Gender
Entity Type
Individual
Location Address
5841 S. MARYLAND AVE M/C 7082 CHICAGO, IL 60637
Location Phone
(773) 702-6840
Location Fax
(773) 834-3950
Mailing Address
180 HARVESTER DR STE 110 BURR RIDGE, IL 60527
Mailing Phone
(773) 702-1150
Is Sole Proprietor?
No
Enumeration Date
03-31-2025
Last Update Date
06-04-2026
Code Navigator

An internist like Lindon Tran 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.
125.088099
License State
IL
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.

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)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

125.088099 (IL)

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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 1780487280, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
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 8 → 16 → 7 4 → 8 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 8 + 8 + 1 + 4 + 2 + 1 + 6 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1780487280.

Other Providers at the Same Location


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

Registered Nurse (Enterostomal Therapy)
5841 S. MARYLAND AVE, MC6043
CHICAGO, IL 60637
Pathology (Medical Microbiology)
5841 S. MARYLAND AVE, MC 3083
CHICAGO, IL 60637
Surgery
5841 S. MARYLAND AVE, UNIVERSITY OF CHICAGO HOSPITALS
CHICAGO, IL 60637
Nurse Practitioner (Adult Health)
5841 S. MARYLAND AVE
CHICAGO, IL 60637
Radiology (Neuroradiology)
5841 S. MARYLAND AVE, MAIL CODE 2026
CHICAGO, IL 60637
Psychiatry & Neurology (Psychiatry)
5841 S. MARYLAND AVE, M/C 3077
CHICAGO, IL 60637
Internal Medicine (Clinical Cardiac Electrophysiology)
5841 S. MARYLAND AVE, MAIL CODE: 6080
CHICAGO, IL 60637
Dietitian, Registered
5841 S. MARYLAND AVE, RM. S-414, MC 4001
CHICAGO, IL 60637
Pediatrics
5841 S. MARYLAND AVE
CHICAGO, IL 60637
Pediatrics
5841 S. MARYLAND AVE, MC 6060
CHICAGO, IL 60637
Internal Medicine
5841 S. MARYLAND AVE, MC 2007 B223
CHICAGO, IL 60637
Pediatrics
5841 S. MARYLAND AVE, M/C 1145
CHICAGO, IL 60637
Internal Medicine (Hematology & Oncology)
5841 S. MARYLAND AVE, M/C 2115
CHICAGO, IL 60637
Internal Medicine
5841 S. MARYLAND AVE, M/C 7082
CHICAGO, IL 60637
Surgery (Plastic and Reconstructive Surgery)
5841 S. MARYLAND AVE, 5841 S. MARYLAND AVE M/C 6035
CHICAGO, IL 60637
Psychiatry & Neurology (Neurology)
5841 S. MARYLAND AVE
CHICAGO, IL 60637
Radiology (Diagnostic Radiology)
5841 S. MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S. MARYLAND AVE, MC 2007
CHICAGO, IL 60637
Pediatrics
5841 S. MARYLAND AVE, M/C 8016
CHICAGO, IL 60637
Student in an Organized Health Care Education/Training Program
5841 S. MARYLAND AVE, M/C 7082
CHICAGO, IL 60637

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780487280, enumerated as an "individual" on March 31, 2025.

The provider is located at 5841 S. MARYLAND AVE M/C 7082 CHICAGO, IL 60637 and the phone number is (773) 702-6840.

Internal Medicine with taxonomy code 207R00000X.