DR. SILAS EDWIN DUNCAN M.D.
NPI 1508868001
Surgery - Vascular Surgery in Tyler, TX

NPI Status: Active since August 15, 2005

Contact Information

700 OLYMPIC PLAZA CIR
SUITE 510
TYLER, TX
ZIP 75701
Phone: (903) 595-2636
Fax: (903) 595-5560

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  • Individual
  • Male
  • Surgery
  • Vascular Surgery

About SILAS DUNCAN

This page provides the complete NPI Profile along with additional information for Silas Duncan, a provider established in Tyler, Texas with a medical specialization in Surgery, focusing in vascular surgery . The healthcare provider is registered in the NPI registry with number 1508868001 assigned on August 2005. The practitioner's primary taxonomy code is 2086S0129X with license number D4981 (TX). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1508868001
Provider Name
DR. SILAS EDWIN DUNCAN M.D.
Gender
Male
Entity Type
Individual
Location Address
700 OLYMPIC PLAZA CIR SUITE 510 TYLER, TX 75701
Location Phone
(903) 595-2636
Location Fax
(903) 595-5560
Mailing Address
700 OLYMPIC PLAZA CIR SUITE 510 TYLER, TX 75701
Mailing Phone
(903) 595-2636
Mailing Fax
(903) 595-5560
Is Sole Proprietor?
No
Enumeration Date
08-15-2005
Last Update Date
01-24-2013
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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

Surgery Vascular Surgery

Taxonomy Code
2086S0129X
Type
Allopathic & Osteopathic Physicians
License No.
D4981
License State
TX
Taxonomy Description
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

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)
1208600000XAllopathic & Osteopathic Physicians

Surgery

D4981 (TX)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

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.

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
123940201MEDICAID (05)TX 
020028080OTHER (01)TXRAILROAD MEDICARE
752605101OTHER (01)TXFEIN
86Z400MEDICARE ID-TYPE UNSPECIFIED (04)TX 
B87588MEDICARE UPIN (02)TX 
2287588OTHER (01)TXBLUELINK
4568289OTHER (01)TXAETNA
MDD4981OTHER (01)TXTX WC/IHC

Reviews for DR. SILAS EDWIN DUNCAN M.D.

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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 1508868001, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
0
Doubled → 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 0 → 0 8 → 16 → 7 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 + 5 + 0 + 8 + 1 + 6 + 6 + 1 + 6 + 0 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1508868001.

Other Providers at the Same Location


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

Neurological Surgery
700 OLYMPIC PLAZA CIR, STE 850
TYLER, TX 75701
Physical Medicine & Rehabilitation (Pain Medicine)
700 OLYMPIC PLAZA CIR
TYLER, TX 75701
Internal Medicine (Gastroenterology)
700 OLYMPIC PLAZA CIR, STE 508
TYLER, TX 75701
Internal Medicine (Gastroenterology)
700 OLYMPIC PLAZA CIR, STE 407
TYLER, TX 75701
Orthopaedic Surgery
700 OLYMPIC PLAZA CIR, SUITE 600
TYLER, TX 75701
Orthopaedic Surgery
700 OLYMPIC PLAZA CIR, STE 600
TYLER, TX 75701
Radiology (Diagnostic Radiology)
700 OLYMPIC PLAZA CIR, STE. 101
TYLER, TX 75701
Physician Assistant
700 OLYMPIC PLAZA CIR, STE 510
TYLER, TX 75701
Psychiatry & Neurology (Neurology)
700 OLYMPIC PLAZA CIR, STE 912
TYLER, TX 75701
Obstetrics & Gynecology
700 OLYMPIC PLAZA CIR, SUITE #504
TYLER, TX 75701
Internal Medicine (Nephrology)
700 OLYMPIC PLAZA CIR, 912
TYLER, TX 75701
Internal Medicine (Gastroenterology)
700 OLYMPIC PLAZA CIR, 407
TYLER, TX 75701
Internal Medicine (Gastroenterology)
700 OLYMPIC PLAZA CIR, SUITE 410
TYLER, TX 75701
Psychiatry & Neurology (Neurology)
700 OLYMPIC PLAZA CIR, SUITE 904
TYLER, TX 75701
Internal Medicine (Gastroenterology)
700 OLYMPIC PLAZA CIR, SUITE 508
TYLER, TX 75701
Psychiatry & Neurology (Neurology)
700 OLYMPIC PLAZA CIR, SUITE 910
TYLER, TX 75701
Psychiatry & Neurology (Neurology)
700 OLYMPIC PLAZA CIR, SUITE 912
TYLER, TX 75701
Obstetrics & Gynecology
700 OLYMPIC PLAZA CIR, STE 602
TYLER, TX 75701
Obstetrics & Gynecology
700 OLYMPIC PLAZA CIR, STE 602
TYLER, TX 75701
Urology
700 OLYMPIC PLAZA CIR, STE 700
TYLER, TX 75701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508868001, enumerated as an "individual" on August 15, 2005.

The provider is located at 700 OLYMPIC PLAZA CIR SUITE 510 TYLER, TX 75701 and the phone number is (903) 595-2636.

Surgery with taxonomy code 2086S0129X and a focus in Vascular Surgery.

The provider might be accepting Accepts: Medicare, Medicaid, Railroad Medicare and Aetna. Please consult your insurance carrier or call the provider to verify.