DR. CALVIN LEE CALHOUN JR. M.D.
NPI 1093736837
Internal Medicine in Chattanooga, TN

NPI Status: Active since July 21, 2006

Contact Information

150 DEBRA RD
BUILDING 6200, SUITE 5200
CHATTANOOGA, TN
ZIP 37411
Phone: (423) 893-6500

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  • Individual
  • Male
  • Internal Medicine

About CALVIN CALHOUN

This page provides the complete NPI Profile along with additional information for Calvin Calhoun, an internist established in Chattanooga, Tennessee with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1093736837 assigned on July 2006. The practitioner's primary taxonomy code is 207R00000X with license number MD11087 (TN). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1093736837
Provider Name
DR. CALVIN LEE CALHOUN JR. M.D.
Gender
Male
Entity Type
Individual
Location Address
150 DEBRA RD BUILDING 6200, SUITE 5200 CHATTANOOGA, TN 37411
Location Phone
(423) 893-6500
Mailing Address
4635 PAW TRL CHATTANOOGA, TN 37416
Mailing Phone
(423) 894-2080
Is Sole Proprietor?
No
Enumeration Date
07-21-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Calvin Calhoun 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.
MD11087
License State
TN
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.

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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 1093736837, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
7
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 9 → 18 → 9 7 → 14 → 5 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 1 + 4 + 3 + 1 + 2 + 8 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1093736837.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Internal Medicine
150 DEBRA RD, 5200
CHATTANOOGA, TN 37411
Psychiatry & Neurology (Psychiatry)
150 DEBRA RD
CHATTANOOGA, TN 37411
Family Medicine
150 DEBRA RD
CHATTANOOGA, TN 37411
Nurse Practitioner (Family)
150 DEBRA RD, 6200 BLDG , SUITE 5200
CHATTANOOGA, TN 37411
Internal Medicine
150 DEBRA RD
CHATTANOOGA, TN 37411
Pharmacist
150 DEBRA RD
CHATTANOOGA, TN 37411
Counselor (Addiction (Substance Use Disorder))
150 DEBRA RD
CHATTANOOGA, TN 37411
Surgery
150 DEBRA RD
CHATTANOOGA, TN 37411
Counselor (Professional)
150 DEBRA RD
CHATTANOOGA, TN 37411
Family Medicine
150 DEBRA RD
CHATTANOOGA, TN 37411
Social Worker (Clinical)
150 DEBRA RD, SUITE 5200
CHATTANOOGA, TN 37411

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1093736837, enumerated as an "individual" on July 21, 2006.

The provider is located at 150 DEBRA RD BUILDING 6200, SUITE 5200 CHATTANOOGA, TN 37411 and the phone number is (423) 893-6500.

Internal Medicine with taxonomy code 207R00000X.