DR. FREDERICK M CAHAN M.D.
NPI 1295804532
Pediatrics in Chicago, IL

NPI Status: Active since November 08, 2006

Contact Information

201 E HURON ST
SUITE 12-260
CHICAGO, IL
ZIP 60611
Phone: (312) 926-9570
Fax: (312) 926-6776

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  • Individual
  • Male
  • Pediatrics
  • CLIA Number: 14D0721396
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 06-01-2027

About FREDERICK CAHAN

This page provides the complete NPI Profile along with additional information for Frederick Cahan, a pediatrician established in Chicago, Illinois with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1295804532 assigned on November 2006. The practitioner's primary taxonomy code is 208000000X with license number 36-45530 (IL). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1295804532
Provider Name
DR. FREDERICK M CAHAN M.D.
Gender
Male
Entity Type
Individual
Location Address
201 E HURON ST SUITE 12-260 CHICAGO, IL 60611
Location Phone
(312) 926-9570
Location Fax
(312) 926-6776
Mailing Address
2040 CLAVEY RD HIGHLAND PARK, IL 60035
Mailing Phone
(847) 480-1303
Mailing Fax
(312) 926-6776
Is Sole Proprietor?
Yes
Enumeration Date
11-08-2006
Last Update Date
07-08-2007
Code Navigator

A pediatrician like Frederick Cahan is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

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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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
36-45530
License State
IL
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
14D0721396
Facility Type
Physician Office
Certificate Effective Date
June 02, 2025
Certificate Expiration Date
June 01, 2027
Laboratory Director
FREDERICK CAHAN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Frederick Cahan to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1295804532, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
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 9 → 18 → 9 8 → 16 → 7 4 → 8 3 → 6

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 + 6 + 0 + 8 + 5 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1295804532.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
201 E HURON ST, SUITE 12-200
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, GALTER AMBULATORY PAVILLION SUITE 12-260
CHICAGO, IL 60611
Dermatology
201 E HURON ST, GALTER PAV 11-230
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, SUITE 11-200
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
201 E HURON ST, SUITE 11-100
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
201 E HURON ST, 4TH FLOOR
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR, SUITE 105
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR , SUITE 105
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FL. SUITE 130
CHICAGO, IL 60611
Specialist
201 E HURON ST, SUITE 9-160
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR, SUITE 105
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FLOOR, SUITE 130
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
201 E HURON ST, 9-235
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FLOOR, SUITE 130
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FL SUITE 105
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR, SUITE 105
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FLOOR, SUITE 130
CHICAGO, IL 60611
Urology
201 E HURON ST, SUITE 10-200
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR SUITE 240
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR, SUITE 105
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295804532, enumerated as an "individual" on November 08, 2006.

The provider is located at 201 E HURON ST SUITE 12-260 CHICAGO, IL 60611 and the phone number is (312) 926-9570.

Pediatrics with taxonomy code 208000000X.