KEITH M BOYD M.D.
NPI 1174591978
Internal Medicine in Chicago, IL

NPI Status: Active since March 09, 2006

Contact Information

1645 W JACKSON BLVD
SUITE 215
CHICAGO, IL
ZIP 60612
Phone: (312) 942-8000

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  • Individual
  • Male
  • Internal Medicine

About KEITH BOYD

This page provides the complete NPI Profile along with additional information for Keith Boyd, an internist established in Chicago, Illinois with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1174591978 assigned on March 2006. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1174591978
Provider Name
KEITH M BOYD M.D.
Gender
Male
Entity Type
Individual
Location Address
1645 W JACKSON BLVD SUITE 215 CHICAGO, IL 60612
Location Phone
(312) 942-8000
Mailing Address
1645 W JACKSON BLVD SUITE 215 CHICAGO, IL 60612
Mailing Phone
(312) 942-8000
Is Sole Proprietor?
No
Enumeration Date
03-09-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Keith Boyd 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

(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 1174591978, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
1
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 7 → 14 → 5 5 → 10 → 1 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 4 + 4 + 1 + 0 + 9 + 2 + 9 + 1 + 4 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1174591978.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
1645 W JACKSON BLVD, SUITE 675
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, STE 200
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, SUITE 215
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, SUITE 200
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, SUITE 200
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, SUITE 200
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, SUITE 200
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, SUITE 200
CHICAGO, IL 60612
Obstetrics & Gynecology
1645 W JACKSON BLVD, SUITE 310
CHICAGO, IL 60612
Obstetrics & Gynecology
1645 W JACKSON BLVD, SUITE 310
CHICAGO, IL 60612
Obstetrics & Gynecology
1645 W JACKSON BLVD, SUITE 310
CHICAGO, IL 60612
Obstetrics & Gynecology
1645 W JACKSON BLVD, SUITE 310
CHICAGO, IL 60612
Internal Medicine (Adolescent Medicine)
1645 W JACKSON BLVD, SUITE 215
CHICAGO, IL 60612
Pediatrics
1645 W JACKSON BLVD, SUITE 200
CHICAGO, IL 60612
Obstetrics & Gynecology
1645 W JACKSON BLVD, SUITE 318
CHICAGO, IL 60612
Nurse Practitioner
1645 W JACKSON BLVD, SUITE 310
CHICAGO, IL 60612
Dentist (General Practice)
1645 W JACKSON BLVD, SUITE 210
CHICAGO, IL 60612
Dentist (General Practice)
1645 W JACKSON BLVD, SUITE 210
CHICAGO, IL 60612
Dentist (General Practice)
1645 W JACKSON BLVD, STE 210
CHICAGO, IL 60612
Psychologist (Clinical)
1645 W JACKSON BLVD, SUITE 400
CHICAGO, IL 60612

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174591978, enumerated as an "individual" on March 09, 2006.

The provider is located at 1645 W JACKSON BLVD SUITE 215 CHICAGO, IL 60612 and the phone number is (312) 942-8000.

Internal Medicine with taxonomy code 207R00000X.