GREENBAX HEALTH SOLUTIONS, LLC
NPI 1538792221
Clinic/Center - Primary Care in Chicago, IL
NPI Status: Active since February 20, 2020
Contact Information
4922 W CHICAGO AVE
CHICAGO, IL
ZIP 60651
Phone: (312) 285-7678
NPPES record last updated: September 23, 2020. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Organization
- Clinic/Center
- Primary Care
- Accepts Insurance
- CLIA Number: 14D2170586
- CLIA Cert. Type: Independent
- CLIA Exp. Date: 08-13-2027
About GREENBAX HEALTH SOLUTIONS, LLC
This page provides the complete NPI Profile along with additional information for Greenbax Health Solutions, Llc, a primary care provider established in Chicago, Illinois operating as a Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1538792221 assigned on February 2020. The practitioner's primary taxonomy code is 261QP2300X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The authorized official of this NPI record is Dr. Gregory C Vachon Md (Chief Medical Officer)
- NPI
- 1538792221
- Provider Name
- GREENBAX HEALTH SOLUTIONS, LLC
- Entity Type
- Organization
- Location Address
- 4922 W CHICAGO AVE CHICAGO, IL 60651
- Location Phone
- (312) 285-7678
- Mailing Address
- 4922 W CHICAGO AVE CHICAGO, IL 60651
- Mailing Phone
- (773) 417-3784
- Mailing Fax
- (773) 417-3784
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-20-2020
- Last Update Date
- 09-23-2020
- Code Navigator
A primary care provider (PCP) like Greenbax Health Solutions, Llc 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
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 Primary Care
- Taxonomy Code
- 261QP2300X
- Type
- Ambulatory Health Care Facilities
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Complete Silver - EPO
- Complete Silver + Vision + Adult Dental - EPO
- Elite Bronze - EPO
- Elite Bronze + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Everyday Gold - EPO
- Everyday Gold + Vision + Adult Dental - EPO
- Standard Expanded Bronze - EPO
- Standard Expanded Bronze + Vision + Adult Dental - EPO
- Standard Gold - EPO
- Standard Gold + Vision + Adult Dental - EPO
- Standard Silver - EPO
- Standard Silver + Vision + Adult Dental - EPO
- Complete Gold - HMO
- Complete Gold + Vision + Adult Dental - HMO
- Elite Bronze - HMO
- Elite Bronze + Vision + Adult Dental - HMO
- Elite Gold - HMO
- Elite Gold + Vision + Adult Dental - HMO
- Everyday Bronze - HMO
- Everyday Bronze + Vision + Adult Dental - HMO
- Everyday Gold - HMO
- Everyday Gold + Vision + Adult Dental - HMO
- Focused Silver - HMO
- Focused Silver + Vision + Adult Dental - HMO
- Standard Expanded Bronze - HMO
- Standard Expanded Bronze + Vision + Adult Dental - HMO
- Standard Gold - HMO
- Standard Gold + Vision + Adult Dental - HMO
- Standard Silver - HMO
- Standard Silver + Vision + Adult Dental - HMO
- Clear Gold - EPO
- Clear Gold + Vision + Adult Dental - EPO
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Elite Silver - EPO
- Elite Silver + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Focused Silver - EPO
- Focused Silver + Vision + Adult Dental - EPO
- Principal Bronze HSA - EPO
- Principal Bronze HSA + Vision + Adult Dental - EPO
- Standard Expanded Bronze - EPO
- Standard Expanded Bronze + Vision + Adult Dental - EPO
- Standard Gold - EPO
- Standard Gold + Vision + Adult Dental - EPO
- Standard Silver - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
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
- 14D2170586
- Facility Type
- Independent
- Certificate Effective Date
- August 14, 2025
- Certificate Expiration Date
- August 13, 2027
- Laboratory Director
- MARY L. BROWN-WALKER
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Greenbax Health Solutions, Llc 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.
Reviews for GREENBAX HEALTH SOLUTIONS, LLC
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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 1538792221, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
CHICAGO, IL 60651
CHICAGO, IL 60651
CHICAGO, IL 60651
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538792221, enumerated as an "organization" on February 20, 2020.
The provider is located at 4922 W CHICAGO AVE CHICAGO, IL 60651 and the phone number is (312) 285-7678.
Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.
The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health. Please consult your insurance carrier or call the provider to verify.
