KONRAD KNUSEL MD
NPI 1033793534
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Skokie, IL

NPI Status: Active since May 11, 2021

Contact Information

9650 GROSS POINT RD STE 2900
SKOKIE, IL
ZIP 60076
Phone: (224) 251-2900
Fax: (224) 251-5096

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
Medicare Participation & PECOS Status
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Orthopaedic Surgery
Adult Reconstructive Orthopaedic Surgery
PECOS Enrolled

About KONRAD KNUSEL

This page provides the complete NPI Profile along with additional information for Konrad Knusel, a provider established in Skokie, Illinois with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery . The healthcare provider is registered in the NPI registry with number 1033793534 assigned on May 2021. The practitioner's primary taxonomy code is 207XS0114X with license number 036180035 (IL). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1033793534
Provider Name: KONRAD KNUSEL MD
Gender: Male
Entity Type: Individual
Location Address: 9650 GROSS POINT RD STE 2900 SKOKIE, IL 60076
Location Phone: (224) 251-2900
Location Fax: (224) 251-5096
Mailing Address: 2650 RIDGE AVE STE 1223 EVANSTON, IL 60201
Mailing Phone: (847) 570-2040
Is Sole Proprietor?: No
Enumeration Date: 05-11-2021
Last Update Date: 05-05-2026
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Location Map

Secondary Locations

1000 W Carson St
Torrance, CA 90502
(424) 306-4000

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: Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery
Taxonomy Code: 207XS0114X
Type: Allopathic & Osteopathic Physicians
License No.: 036180035
License State: IL
Taxonomy Description: Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.

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)
1	207X00000X	Allopathic & Osteopathic Physicians	Orthopaedic Surgery	036180035 (IL)

Medicare Participation & PECOS Enrollment Status

Konrad Knusel is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

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 1033793534, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 6

Check

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 3 → 6 7 → 14 → 5 3 → 6 3 → 6