GLENVIEW ENDOCRINOLOGY CLINIC PLLC
NPI 1518823491
Internal Medicine - Endocrinology, Diabetes & Metabolism in Niles, IL

NPI Status: Active since January 05, 2026

Contact Information

8937 W GOLF RD
NILES, IL
ZIP 60714
Phone: (847) 375-9711

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  • Organization
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About GLENVIEW ENDOCRINOLOGY CLINIC PLLC

This page provides the complete NPI Profile along with additional information for Glenview Endocrinology Clinic Pllc, an internist established in Niles, Illinois operating as a Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1518823491 assigned on January 2026. The practitioner's primary taxonomy code is 207RE0101X. The provider is registered as an organization and their NPI record was last updated May 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Olena G Hungerford Md (Sole Owner)

NPI
1518823491
Provider Name
GLENVIEW ENDOCRINOLOGY CLINIC PLLC
Entity Type
Organization
Location Address
8937 W GOLF RD NILES, IL 60714
Location Phone
(847) 375-9711
Mailing Address
8937 W GOLF RD NILES, IL 60714
Mailing Phone
(847) 375-9711
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-05-2026
Last Update Date
05-18-2026
Code Navigator

An internist like Glenview Endocrinology Clinic Pllc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

OLENA G HUNGERFORD MD

Authorized Official Title
SOLE OWNER
Authorized Official Phone
(850) 766-1434

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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 1518823491, 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.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
1
Doubled → 2
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 1 → 2 8 → 16 → 7 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 2 + 8 + 1 + 6 + 2 + 6 + 4 + 1 + 8 + 24 = 69

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.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1518823491.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

General Practice
8937 W GOLF RD
NILES, IL 60714
General Practice
8937 W GOLF RD
NILES, IL 60714
Family Medicine
8937 W GOLF RD
NILES, IL 60714
Family Medicine
8937 W GOLF RD
NILES, IL 60714

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518823491, enumerated as an "organization" on January 05, 2026.

The provider is located at 8937 W GOLF RD NILES, IL 60714 and the phone number is (847) 375-9711.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.