KNOWN CHICAGO SC
NPI 1700609484
Family Medicine in Westmont, IL

NPI Status: Active since November 01, 2024

Contact Information

460 QUAIL RIDGE DR
WESTMONT, IL
ZIP 60559
Phone: (630) 986-2800

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  • Organization
  • Family Medicine

About KNOWN CHICAGO SC

This page provides the complete NPI Profile along with additional information for Known Chicago Sc, a primary care provider established in Westmont, Illinois operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1700609484 assigned on November 2024. The practitioner's primary taxonomy code is 207Q00000X. The provider is registered as an organization and their NPI record was last updated December 2025. Known Chicago Sc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Dr. Britta Reierson Md (Cmo)

NPI
1700609484
Provider Legal Name
KNOWN CHICAGO SC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
460 QUAIL RIDGE DR WESTMONT, IL 60559
Location Phone
(630) 986-2800
Mailing Address
460 QUAIL RIDGE DR WESTMONT, IL 60559
Mailing Phone
(630) 986-2800
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-01-2024
Last Update Date
12-22-2025
Code Navigator

A primary care provider (PCP) like Known Chicago Sc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

Secondary Locations

  • 1975 Lin Lor Ln Ste 295
    Elgin, IL 60123
    (630) 986-2800
  • 331 W Surf St Ste 5100
    Chicago, IL 60657
    (630) 986-2800
  • 25 E Schaumburg Rd Ste 101
    Schaumburg, IL 60194
    (630) 986-2800

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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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)
1133V00000XDietary & Nutritional Service Providers

Dietitian, Registered

 
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
3207RB0002XAllopathic & Osteopathic Physicians

Internal Medicine
Obesity Medicine

 
4208000000XAllopathic & Osteopathic Physicians

Pediatrics

 
52080B0002XAllopathic & Osteopathic Physicians

Pediatrics
Obesity Medicine

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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. BRITTA REIERSON MD

Authorized Official Title
CMO
Authorized Official Phone
(315) 216-2910

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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 1700609484, 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
7
Unchanged
Pos 3
0
Doubled → 0
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 0 → 0 6 → 12 → 3 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 1 + 2 + 0 + 1 + 8 + 4 + 1 + 6 + 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 1700609484.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Family Medicine
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Family Medicine
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Family Medicine
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Internal Medicine (Cardiovascular Disease)
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Dietitian, Registered
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Dietitian, Registered
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Family Medicine
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Dietitian, Registered
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Physician Assistant
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Family Medicine
460 QUAIL RIDGE DR
WESTMONT, IL 60559
Nurse Practitioner (Family)
460 QUAIL RIDGE DR
WESTMONT, IL 60559

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700609484, enumerated as an "organization" on November 01, 2024.

The provider is located at 460 QUAIL RIDGE DR WESTMONT, IL 60559 and the phone number is (630) 986-2800.

Family Medicine with taxonomy code 207Q00000X.