MR. NOEL PAUL HERTZ MS, LMFT, LSW.
NPI 1821074915
Social Worker in Chicago, IL
NPI Status: Active since December 20, 2005
Contact Information
4350 N HERMITAGE AVE
CHICAGO, IL
ZIP 60613
Phone: (773) 525-0753
Fax: (773) 525-0636
- Individual
- Male
- Social Worker
About NOEL HERTZ
This page provides the complete NPI Profile along with additional information for Noel Hertz, a provider established in Chicago, Illinois with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1821074915 assigned on December 2005. The practitioner's primary taxonomy code is 104100000X with license number 150-2373 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1821074915
- Provider Name
- MR. NOEL PAUL HERTZ MS, LMFT, LSW.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4350 N HERMITAGE AVE CHICAGO, IL 60613
- Location Phone
- (773) 525-0753
- Location Fax
- (773) 525-0636
- Mailing Address
- 4236 N ASHLAND AVE CHICAGO, IL 60613
- Mailing Phone
- (773) 525-0753
- Mailing Fax
- (773) 525-0636
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-20-2005
- Last Update Date
- 09-11-2025
- Code Navigator
A social worker like Noel Hertz helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.
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
Social Worker
- Taxonomy Code
- 104100000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 150-2373
- License State
- IL
- Taxonomy Description
- A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
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 | 106H00000X | Behavioral Health & Social Service Providers | Marriage & Family Therapist | 166-107 (IL) |
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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 1821074915, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 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.
CHICAGO, IL 60613
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821074915, enumerated as an "individual" on December 20, 2005.
The provider is located at 4350 N HERMITAGE AVE CHICAGO, IL 60613 and the phone number is (773) 525-0753.
Social Worker with taxonomy code 104100000X.
