TENNESSEE CANCER SPECIALISTS
NPI 1023458403
Internal Medicine - Hematology & Oncology in Chattanooga, TN

NPI Status: Active since June 28, 2013

Contact Information

2525 DESALES AVENUE
CHATTANOOGA, TN
ZIP 37414
Phone: (423) 339-0300
Fax: (423) 472-5687

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  • Organization
  • Internal Medicine
  • Hematology & Oncology
  • CLIA Number: 44D2174926
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-11-2027

About TENNESSEE CANCER SPECIALISTS

This page provides the complete NPI Profile along with additional information for Tennessee Cancer Specialists, an internist established in Chattanooga, Tennessee operating as a Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1023458403 assigned on June 2013. The practitioner's primary taxonomy code is 207RH0003X. The provider is registered as an organization and their NPI record was last updated 13 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 Tracy W Dobbs M.d. (Chief Manager)

NPI
1023458403
Provider Name
TENNESSEE CANCER SPECIALISTS
Entity Type
Organization
Location Address
2525 DESALES AVENUE CHATTANOOGA, TN 37414
Location Phone
(423) 339-0300
Location Fax
(423) 472-5687
Mailing Address
PO BOX 10988 KNOXVILLE, TN 37939
Mailing Phone
(865) 862-0998
Mailing Fax
(423) 472-5687
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-28-2013
Last Update Date
08-28-2013
Code Navigator

An internist like Tennessee Cancer Specialists 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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Group Taxonomy 193400000X MULTIPLE 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

TRACY W DOBBS M.D.

Authorized Official Title
CHIEF MANAGER
Authorized Official Phone
(865) 934-5800

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
44D2174926
Facility Type
Physician Office
Certificate Effective Date
November 12, 2025
Certificate Expiration Date
November 11, 2027
Laboratory Director
DR. ROSS KERNS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Tennessee Cancer Specialists to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1023458403, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
0
Doubled → 0
Check
3
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 4 → 8 8 → 16 → 7 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 8 + 5 + 1 + 6 + 4 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1023458403.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023458403, enumerated as an "organization" on June 28, 2013.

The provider is located at 2525 DESALES AVENUE CHATTANOOGA, TN 37414 and the phone number is (423) 339-0300.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.