MARK W. WILLIAMS, M.D., PH.D., GENERAL SURGERY, S.C.
NPI 1477724102
Surgery in Princeton, IL

NPI Status: Active since March 21, 2008

Contact Information

530 PARK AVE E
SUITE 205
PRINCETON, IL
ZIP 61356
Phone: (815) 872-9491
Fax: (815) 875-4060

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  • Organization
  • Surgery

About MARK W. WILLIAMS, M.D., PH.D., GENERAL SURGERY, S.C.

This page provides the complete NPI Profile along with additional information for Mark W. Williams, M.d., Ph.d., General Surgery, S.c., a provider established in Princeton, Illinois operating as a Surgery. The healthcare provider is registered in the NPI registry with number 1477724102 assigned on March 2008. The practitioner's primary taxonomy code is 208600000X. The provider is registered as an organization and their NPI record was last updated 18 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 Dr. Mark Wayne Williams M.d., Ph.d. (Director)

NPI
1477724102
Provider Name
MARK W. WILLIAMS, M.D., PH.D., GENERAL SURGERY, S.C.
Entity Type
Organization
Location Address
530 PARK AVE E SUITE 205 PRINCETON, IL 61356
Location Phone
(815) 872-9491
Location Fax
(815) 875-4060
Mailing Address
530 PARK AVE E SUITE 205 PRINCETON, IL 61356
Mailing Phone
(815) 872-9491
Mailing Fax
(815) 875-4060
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-21-2008
Last Update Date
03-21-2008
Code Navigator

A surgeon like Mark W. Williams, M.d., Ph.d., General Surgery, S.c. treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Group Taxonomy 193400000X 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

DR. MARK WAYNE WILLIAMS M.D., PH.D.

Authorized Official Title
DIRECTOR
Authorized Official Phone
(815) 872-9491

Reviews for MARK W. WILLIAMS, M.D., PH.D., GENERAL SURGERY, S.C.

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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 1477724102, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 1 + 4 + 2 + 8 + 1 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1477724102.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
530 PARK AVE E, SUITE 7
PRINCETON, IL 61356
Emergency Medicine
530 PARK AVE E
PRINCETON, IL 61356
Family Medicine
530 PARK AVE E
PRINCETON, IL 61356
Durable Medical Equipment & Medical Supplies
530 PARK AVE E
PRINCETON, IL 61356
Podiatrist (Foot & Ankle Surgery)
530 PARK AVE E, SUITE 204
PRINCETON, IL 61356
Clinic/Center
530 PARK AVE E, SUITE 205
PRINCETON, IL 61356
Podiatrist (Primary Podiatric Medicine)
530 PARK AVE E, SUITE 301
PRINCETON, IL 61356
Dietitian, Registered
530 PARK AVE E
PRINCETON, IL 61356
Clinical Nurse Specialist (Adult Health)
530 PARK AVE E
PRINCETON, IL 61356
Physical Therapist
530 PARK AVE E
PRINCETON, IL 61356
Occupational Therapist
530 PARK AVE E
PRINCETON, IL 61356
Physical Therapy Assistant
530 PARK AVE E
PRINCETON, IL 61356
Nurse Practitioner (Family)
530 PARK AVE E
PRINCETON, IL 61356
Internal Medicine
530 PARK AVE E, SUITE 101
PRINCETON, IL 61356
Internal Medicine (Gastroenterology)
530 PARK AVE E, SUITE 207
PRINCETON, IL 61356
Dietitian, Registered
530 PARK AVE E
PRINCETON, IL 61356
Internal Medicine (Gastroenterology)
530 PARK AVE E, SUITE 7
PRINCETON, IL 61356
General Acute Care Hospital (Critical Access)
530 PARK AVE E
PRINCETON, IL 61356
Home Health
530 PARK AVE E
PRINCETON, IL 61356
Medicare Defined Swing Bed Unit
530 PARK AVE E
PRINCETON, IL 61356

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477724102, enumerated as an "organization" on March 21, 2008.

The provider is located at 530 PARK AVE E SUITE 205 PRINCETON, IL 61356 and the phone number is (815) 872-9491.

Surgery with taxonomy code 208600000X.