TIM M RIDGWAY M.D.
NPI 1295730356
Internal Medicine - Gastroenterology in Sioux Falls, SD

NPI Status: Active since June 16, 2005

Contact Information

1500 W 22ND ST
STE 101
SIOUX FALLS, SD
ZIP 57105
Phone: (605) 328-8500
Fax: (605) 328-8501

Get Directions Write a Review

  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About TIM RIDGWAY

This page provides the complete NPI Profile along with additional information for Tim Ridgway, an internist established in Sioux Falls, South Dakota with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1295730356 assigned on June 2005. The practitioner's primary taxonomy code is 207RG0100X with license number 3422 (SD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1295730356
Provider Name
TIM M RIDGWAY M.D.
Gender
Male
Entity Type
Individual
Location Address
1500 W 22ND ST STE 101 SIOUX FALLS, SD 57105
Location Phone
(605) 328-8500
Location Fax
(605) 328-8501
Mailing Address
PO BOX 5074 SIOUX FALLS, SD 57117
Mailing Phone
(605) 328-9556
Mailing Fax
(605) 328-8501
Is Sole Proprietor?
No
Enumeration Date
06-16-2005
Last Update Date
10-26-2007
Code Navigator

An internist like Tim Ridgway 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
3422
License State
SD
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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.

*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
E97988MEDICARE UPIN (02) 
S40345MEDICARE PIN (08)SD 
6002424MEDICAID (05)SD 

Reviews for TIM M RIDGWAY M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1295730356, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 4 + 3 + 0 + 3 + 1 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1295730356.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
1500 W 22ND ST, STE 101
SIOUX FALLS, SD 57105
Obstetrics & Gynecology (Gynecologic Oncology)
1500 W 22ND ST, STE 102
SIOUX FALLS, SD 57105
Obstetrics & Gynecology
1500 W 22ND ST, STE 301
SIOUX FALLS, SD 57105
Obstetrics & Gynecology
1500 W 22ND ST, STE 301
SIOUX FALLS, SD 57105
Advanced Practice Midwife
1500 W 22ND ST, STE 301
SIOUX FALLS, SD 57105
Obstetrics & Gynecology
1500 W 22ND ST, STE 301
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1500 W 22ND ST, MB3
SIOUX FALLS, SD 57105
Obstetrics & Gynecology
1500 W 22ND ST, SUITE 301
SIOUX FALLS, SD 57105
Plastic Surgery
1500 W 22ND ST, STE 104
SIOUX FALLS, SD 57105
Internal Medicine (Gastroenterology)
1500 W 22ND ST, SUITE 101
SIOUX FALLS, SD 57105
Obstetrics & Gynecology
1500 W 22ND ST, SUITE 301
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1500 W 22ND ST, 401
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1500 W 22ND ST
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1500 W 22ND ST, SUITE 401
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1500 W 22ND ST, #401
SIOUX FALLS, SD 57105
Advanced Practice Midwife
1500 W 22ND ST, SUITE 301
SIOUX FALLS, SD 57105
Surgery (Plastic and Reconstructive Surgery)
1500 W 22ND ST
SIOUX FALLS, SD 57105
Physician Assistant
1500 W 22ND ST, STE 302
SIOUX FALLS, SD 57105
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
1500 W 22ND ST, STE 402
SIOUX FALLS, SD 57105
Nurse Practitioner
1500 W 22ND ST, STE 401
SIOUX FALLS, SD 57105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295730356, enumerated as an "individual" on June 16, 2005.

The provider is located at 1500 W 22ND ST STE 101 SIOUX FALLS, SD 57105 and the phone number is (605) 328-8500.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

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