ALAN D JOHNSON MD LTD
NPI 1851381966
Obstetrics & Gynecology in Hoffman Estates, IL

NPI Status: Active since October 28, 2005

Contact Information

2500 W HIGGINS RD
SUITE 1150
HOFFMAN ESTATES, IL
ZIP 60169
Phone: (847) 884-2002
Fax: (847) 884-2022

Get Directions Write a Review

  • Organization
  • Obstetrics & Gynecology

About ALAN D JOHNSON MD LTD

This page provides the complete NPI Profile along with additional information for Alan D Johnson Md Ltd, a women's health care provider established in Hoffman Estates, Illinois operating as a Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1851381966 assigned on October 2005. The practitioner's primary taxonomy code is 207V00000X. The provider is registered as an organization and their NPI record was last updated 4 years ago. 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 Alan D Johnson M.d. (Owner/physician)

NPI
1851381966
Provider Name
ALAN D JOHNSON MD LTD
Entity Type
Organization
Location Address
2500 W HIGGINS RD SUITE 1150 HOFFMAN ESTATES, IL 60169
Location Phone
(847) 884-2002
Location Fax
(847) 884-2022
Mailing Address
2500 W HIGGINS RD SUITE 1150 HOFFMAN ESTATES, IL 60169
Mailing Phone
(847) 884-2002
Mailing Fax
(847) 884-2022
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-28-2005
Last Update Date
07-21-2022
Code Navigator

Women's health care providers like Alan D Johnson Md Ltd treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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

ALAN D JOHNSON M.D.

Authorized Official Title
OWNER/PHYSICIAN
Authorized Official Phone
(847) 884-2002

Reviews for ALAN D JOHNSON MD LTD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1851381966, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
6
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 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 6 + 8 + 2 + 9 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1851381966.

Other Providers at the Same Location


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

Obstetrics & Gynecology
2500 W HIGGINS RD, SUITE 640
HOFFMAN ESTATES, IL 60169
Chiropractor
2500 W HIGGINS RD, SUITE 810
HOFFMAN ESTATES, IL 60169
Counselor (Professional)
2500 W HIGGINS RD, SUITE 335
HOFFMAN ESTATES, IL 60169
Chiropractor
2500 W HIGGINS RD, STE 420
HOFFMAN ESTATES, IL 60169
Chiropractor
2500 W HIGGINS RD, STE. 810
HOFFMAN ESTATES, IL 60169
Dentist (Pediatric Dentistry)
2500 W HIGGINS RD, SUITE 660
HOFFMAN ESTATES, IL 60169
Family Medicine
2500 W HIGGINS RD, SUITE 340
HOFFMAN ESTATES, IL 60169
Community/Behavioral Health
2500 W HIGGINS RD, SUITE 1136
HOFFMAN ESTATES, IL 60169
Clinic/Center (Radiology)
2500 W HIGGINS RD, SUITE 830
HOFFMAN ESTATES, IL 60169
Specialist
2500 W HIGGINS RD, SUITE 620
HOFFMAN ESTATES, IL 60169
Chiropractor
2500 W HIGGINS RD, SUITE 420
HOFFMAN ESTATES, IL 60169
Chiropractor
2500 W HIGGINS RD, SUITE 420
HOFFMAN ESTATES, IL 60169
Family Medicine
2500 W HIGGINS RD, SUITE 470
HOFFMAN ESTATES, IL 60169
Pharmacy
2500 W HIGGINS RD, SUITE 1160
HOFFMAN ESTATES, IL 60169
Internal Medicine
2500 W HIGGINS RD, SUITE 280
HOFFMAN ESTATES, IL 60169
Internal Medicine
2500 W HIGGINS RD, SUITE 280
HOFFMAN ESTATES, IL 60169
Clinic/Center (Medical Specialty)
2500 W HIGGINS RD, STE 470
HOFFMAN ESTATES, IL 60169
Psychiatry & Neurology (Psychiatry)
2500 W HIGGINS RD, SUITE 815
HOFFMAN ESTATES, IL 60169
Family Medicine
2500 W HIGGINS RD, SUITE 470
HOFFMAN ESTATES, IL 60169
Counselor (Professional)
2500 W HIGGINS RD, 105
HOFFMAN ESTATES, IL 60169

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851381966, enumerated as an "organization" on October 28, 2005.

The provider is located at 2500 W HIGGINS RD SUITE 1150 HOFFMAN ESTATES, IL 60169 and the phone number is (847) 884-2002.

Obstetrics & Gynecology with taxonomy code 207V00000X.