ASSOCIATES IN INTERNAL MEDICINE, LTD.
NPI 1053367664
Internal Medicine - Endocrinology, Diabetes & Metabolism in Chicago, IL

NPI Status: Active since May 25, 2006

Contact Information

211 E CHICAGO AVE
SUITE 1050
CHICAGO, IL
ZIP 60611
Phone: (312) 944-6677
Fax: (312) 944-3346

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  • Organization
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism

About ASSOCIATES IN INTERNAL MEDICINE, LTD.

This page provides the complete NPI Profile along with additional information for Associates In Internal Medicine, Ltd., an internist established in Chicago, Illinois operating as a Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1053367664 assigned on May 2006. The practitioner's primary taxonomy code is 207RE0101X. The provider is registered as an organization and their NPI record was last updated one year ago. Associates In Internal Medicine, Ltd. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Eric William Terman M.d. (Managing Partner)

NPI
1053367664
Provider Name
ASSOCIATES IN INTERNAL MEDICINE, LTD.
Entity Type
Organization
Location Address
211 E CHICAGO AVE SUITE 1050 CHICAGO, IL 60611
Location Phone
(312) 944-6677
Location Fax
(312) 944-3346
Mailing Address
211 E CHICAGO AVE SUITE 1050 CHICAGO, IL 60611
Mailing Phone
(312) 944-6677
Mailing Fax
(312) 944-3346
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-25-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Associates In Internal Medicine, Ltd. 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.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

(IL)
2207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

(IL)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

DR. ERIC WILLIAM TERMAN M.D.

Authorized Official Title
MANAGING PARTNER
Authorized Official Phone
(312) 944-6677

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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 1053367664, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
6
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 5 → 10 → 1 3 → 6 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 6 + 6 + 1 + 4 + 6 + 1 + 2 + 24 = 56

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1053367664.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine (Endocrinology, Diabetes & Metabolism)
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Dentist (General Practice)
211 E CHICAGO AVE
CHICAGO, IL 60611
Dietitian, Registered (Nutrition, Pediatric)
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Obstetrics & Gynecology
211 E CHICAGO AVE, #1200
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Physician Assistant (Medical)
211 E CHICAGO AVE, SUITE 1200
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine (Endocrinology, Diabetes & Metabolism)
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Dentist
211 E CHICAGO AVE, SUITE 1800
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine (Endocrinology, Diabetes & Metabolism)
211 E CHICAGO AVE, SUITE 1050
CHICAGO, IL 60611
Internal Medicine
211 E CHICAGO AVE, SUITE 1300
CHICAGO, IL 60611
Obstetrics & Gynecology
211 E CHICAGO AVE, SUITE 1200
CHICAGO, IL 60611
Surgery (Pediatric Surgery)
211 E CHICAGO AVE
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053367664, enumerated as an "organization" on May 25, 2006.

The provider is located at 211 E CHICAGO AVE SUITE 1050 CHICAGO, IL 60611 and the phone number is (312) 944-6677.

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