LISA GREISING
NPI 1972818078
Internal Medicine in Chicago, IL

NPI Status: Active since August 12, 2010

Contact Information

2800 N SHERIDAN RD
SUITE 310
CHICAGO, IL
ZIP 60657
Phone: (773) 665-7515
Fax: (773) 665-7514

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  • Organization
  • Internal Medicine

About LISA GREISING

This page provides the complete NPI Profile along with additional information for Lisa Greising, an internist established in Chicago, Illinois operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1972818078 assigned on August 2010. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated 16 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 Dr. Lisa Greising M.d. (Owner)

NPI
1972818078
Provider Name
LISA GREISING
Entity Type
Organization
Location Address
2800 N SHERIDAN RD SUITE 310 CHICAGO, IL 60657
Location Phone
(773) 665-7515
Location Fax
(773) 665-7514
Mailing Address
2800 N SHERIDAN RD SUITE 310 CHICAGO, IL 60657
Mailing Phone
(773) 665-7515
Mailing Fax
(773) 665-7514
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-12-2010
Last Update Date
08-12-2010
Code Navigator

An internist like Lisa Greising 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
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.

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

DR. LISA GREISING M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(773) 665-7515

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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 1972818078, 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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
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 8 → 16 → 7 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 6 + 1 + 1 + 6 + 0 + 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 1972818078.

Other Providers at the Same Location


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

Internal Medicine (Pulmonary Disease)
2800 N SHERIDAN RD, STE 301
CHICAGO, IL 60657
Internal Medicine (Cardiovascular Disease)
2800 N SHERIDAN RD, STE 400
CHICAGO, IL 60657
Family Medicine
2800 N SHERIDAN RD, STE G2
CHICAGO, IL 60657
Family Medicine
2800 N SHERIDAN RD, STE G2
CHICAGO, IL 60657
Internal Medicine
2800 N SHERIDAN RD, SUITE 400
CHICAGO, IL 60657
Urology
2800 N SHERIDAN RD, SUITE 302
CHICAGO, IL 60657
Family Medicine
2800 N SHERIDAN RD, SUITE 203
CHICAGO, IL 60657
Internal Medicine
2800 N SHERIDAN RD, SUITE 107
CHICAGO, IL 60657
Psychiatry & Neurology (Psychiatry)
2800 N SHERIDAN RD, SUITE 502
CHICAGO, IL 60657
Obstetrics & Gynecology
2800 N SHERIDAN RD, SUITE 304
CHICAGO, IL 60657
Social Worker (Clinical)
2800 N SHERIDAN RD, SUITE 502
CHICAGO, IL 60657
Social Worker (Clinical)
2800 N SHERIDAN RD, SUITE 502
CHICAGO, IL 60657
Physician Assistant (Medical)
2800 N SHERIDAN RD, SUITE 304
CHICAGO, IL 60657
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2800 N SHERIDAN RD, SUITE 209
CHICAGO, IL 60657
Psychologist (Clinical)
2800 N SHERIDAN RD, SUITE 408
CHICAGO, IL 60657
Specialist
2800 N SHERIDAN RD, SUITE 100
CHICAGO, IL 60657
Specialist
2800 N SHERIDAN RD, SUITE 108
CHICAGO, IL 60657
Internal Medicine
2800 N SHERIDAN RD, SUITE 309
CHICAGO, IL 60657
Specialist
2800 N SHERIDAN RD, SUITE 108
CHICAGO, IL 60657
Internal Medicine (Gastroenterology)
2800 N SHERIDAN RD, SUITE 506
CHICAGO, IL 60657

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972818078, enumerated as an "organization" on August 12, 2010.

The provider is located at 2800 N SHERIDAN RD SUITE 310 CHICAGO, IL 60657 and the phone number is (773) 665-7515.

Internal Medicine with taxonomy code 207R00000X.