DR. LEWIS ALVIN DUNCAN M.D.
NPI 1821031253
Internal Medicine - Medical Oncology in Longview, TX
NPI Status: Active since June 14, 2006
Contact Information
1300 N 4TH ST
LONGVIEW, TX
ZIP 75601
Phone: (903) 757-2122
Fax: (903) 757-9475
- Individual
- Male
- Internal Medicine
- Medical Oncology
- Accepts Insurance
About LEWIS DUNCAN
This page provides the complete NPI Profile along with additional information for Lewis Duncan, an internist established in Longview, Texas with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1821031253 assigned on June 2006. The practitioner's primary taxonomy code is 207RX0202X with license number E1562 (TX). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1821031253
- Provider Name
- DR. LEWIS ALVIN DUNCAN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1300 N 4TH ST LONGVIEW, TX 75601
- Location Phone
- (903) 757-2122
- Location Fax
- (903) 757-9475
- Mailing Address
- PO BOX 911230 DALLAS, TX 75391
- Mailing Phone
- (972) 997-8000
- Mailing Fax
- (903) 757-9475
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-14-2006
- Last Update Date
- 02-18-2008
- Code Navigator
An internist like Lewis Duncan 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 Medical Oncology
- Taxonomy Code
- 207RX0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- E1562
- License State
- TX
- Taxonomy Description
- An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Blue Advantage Bronze HMO? 204 - HMO
- Blue Advantage Bronze HMO? 301 - HMO
- Blue Advantage Bronze HMO? Standard - HMO
- Blue Advantage Gold HMO? 206 - HMO
- Blue Advantage Gold HMO? 603 - HMO
- Blue Advantage Gold HMO? Standard - HMO
- Blue Advantage Plus Bronze? 303 - POS
- Blue Advantage Plus Bronze? 305 - POS
- Blue Advantage Plus Bronze? Standard - POS
- Blue Advantage Plus Gold? 203 - POS
- Blue Advantage Plus Gold? 803 - POS
- Blue Advantage Plus Gold? Standard - POS
- Blue Advantage Plus Silver? 202 - POS
- Blue Advantage Plus Silver? 605 - POS
- Blue Advantage Plus Silver? Standard - POS
- Blue Advantage Security HMO? 200 - HMO
- Blue Advantage Silver HMO? 205 - HMO
- Blue Advantage Silver HMO? 801 - HMO
- Blue Advantage Silver HMO? Standard - HMO
- MyBlue Health Bronze? 402 - HMO
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 87X841 | MEDICARE PIN (08) | TX | |
| 45716001 | MEDICAID (05) | TX | |
| B87584 | MEDICARE UPIN (02) | TX | |
| 8G7332 | MEDICARE PIN (08) | TX | |
| 8R1429 | OTHER (01) | TX | BLUE CROSS OF TEXAS |
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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 1821031253, 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 47 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 14 providers are registered at the same or a nearby location.
LONGVIEW, TX 75601
LONGVIEW, TX 75601
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821031253, enumerated as an "individual" on June 14, 2006.
The provider is located at 1300 N 4TH ST LONGVIEW, TX 75601 and the phone number is (903) 757-2122.
Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.
The provider might be accepting Accepts: Blue Cross and Blue Shield of Texas, Medicare,. Please consult your insurance carrier or call the provider to verify.
