ONSITE CLINCAL CARE
NPI 1790568533
Clinic/Center - Health Service in Evanston, IL
NPI Status: Active since August 15, 2023
Contact Information
2521 GROSS POINT RD
EVANSTON, IL
ZIP 60201
Phone: (847) 346-5070
- Organization
- Clinic/Center
- Health Service
About ONSITE CLINCAL CARE
This page provides the complete NPI Profile along with additional information for Onsite Clincal Care, a provider established in Evanston, Illinois operating as a Clinic/center, focusing in health service . The healthcare provider is registered in the NPI registry with number 1790568533 assigned on August 2023. The practitioner's primary taxonomy code is 261QH0100X. The provider is registered as an organization and their NPI record was last updated February 2026. The authorized official of this NPI record is Stephan M Erdelyi (President)
- NPI
- 1790568533
- Provider Name
- ONSITE CLINCAL CARE
- Entity Type
- Organization
- Location Address
- 2521 GROSS POINT RD EVANSTON, IL 60201
- Location Phone
- (847) 346-5070
- Mailing Address
- 2521 GROSS POINT RD EVANSTON, IL 60201
- Mailing Phone
- (847) 346-5070
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-15-2023
- Last Update Date
- 02-20-2026
- Code Navigator
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
Clinic/Center Health Service
- Taxonomy Code
- 261QH0100X
- Type
- Ambulatory Health Care Facilities
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 | 261QI0500X | Ambulatory Health Care Facilities | Clinic/Center | |
| 2 | 291U00000X | Laboratories | Clinical Medical Laboratory | |
| 3 | 343900000X | Transportation Services | Non-emergency Medical Transport (VAN) | |
| 4 | 344600000X | Transportation Services | Taxi | |
| 5 | 347C00000X | Transportation Services | Private Vehicle | |
| 6 | 347E00000X | Transportation Services | Transportation Broker |
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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 1790568533, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
EVANSTON, IL 60201
EVANSTON, IL 60201
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1790568533, enumerated as an "organization" on August 15, 2023.
The provider is located at 2521 GROSS POINT RD EVANSTON, IL 60201 and the phone number is (847) 346-5070.
Clinic/Center with taxonomy code 261QH0100X and a focus in Health Service.
