SAM GAINES P C
NPI 1487536314
Internal Medicine in Springfield, IL

NPI Status: Active since July 22, 2025

Contact Information

120 N 11TH ST
SPRINGFIELD, IL
ZIP 62703
Phone: (217) 544-9858

Get Directions Write a Review

  • Organization
  • Internal Medicine

About SAM GAINES P C

This page provides the complete NPI Profile along with additional information for Sam Gaines P C, an internist established in Springfield, Illinois operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1487536314 assigned on July 2025. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated one year 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 Sam Gaines Md (Owner)

NPI
1487536314
Provider Name
SAM GAINES P C
Entity Type
Organization
Location Address
120 N 11TH ST SPRINGFIELD, IL 62703
Location Phone
(217) 544-9858
Mailing Address
509 COLBROOK DR SPRINGFIELD, IL 62702
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-22-2025
Last Update Date
07-22-2025
Code Navigator

An internist like Sam Gaines P C 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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

SAM GAINES MD

Authorized Official Title
OWNER
Authorized Official Phone
(217) 341-1726

Reviews for SAM GAINES P C

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 1487536314, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
4
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 8 → 16 → 7 5 → 10 → 1 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 0 + 3 + 1 + 2 + 3 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1487536314.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Clinic/Center (Federally Qualified Health Center (FQHC))
120 N 11TH ST
SPRINGFIELD, IL 62703
Counselor (Professional)
120 N 11TH ST
SPRINGFIELD, IL 62703
Counselor (Professional)
120 N 11TH ST
SPRINGFIELD, IL 62703
Clinic/Center (Mental Health (Including Community Mental Health Center))
120 N 11TH ST
SPRINGFIELD, IL 62703
Substance Abuse Rehabilitation Facility
120 N 11TH ST
SPRINGFIELD, IL 62703
Clinic/Center (Rehabilitation, Substance Use Disorder)
120 N 11TH ST
SPRINGFIELD, IL 62703

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487536314, enumerated as an "organization" on July 22, 2025.

The provider is located at 120 N 11TH ST SPRINGFIELD, IL 62703 and the phone number is (217) 544-9858.

Internal Medicine with taxonomy code 207R00000X.