ALAN ROBERT HAUSER MD
NPI 1790881647
Internal Medicine - Infectious Disease in Chicago, IL

NPI Status: Active since September 16, 2006

Contact Information

645 N MICHIGAN AVE
SUITE 900
CHICAGO, IL
ZIP 60611
Phone: (312) 695-5085

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  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About ALAN HAUSER

This page provides the complete NPI Profile along with additional information for Alan Hauser, an internist established in Chicago, Illinois with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1790881647 assigned on September 2006. The practitioner's primary taxonomy code is 207RI0200X with license number 036-101284 (IL). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1790881647
Provider Name
ALAN ROBERT HAUSER MD
Gender
Male
Entity Type
Individual
Location Address
645 N MICHIGAN AVE SUITE 900 CHICAGO, IL 60611
Location Phone
(312) 695-5085
Mailing Address
680 N LAKE SHORE DR SUITE 1000 CHICAGO, IL 60611
Mailing Phone
(312) 503-1044
Is Sole Proprietor?
No
Enumeration Date
09-16-2006
Last Update Date
05-17-2013
Code Navigator

An internist like Alan Hauser 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
License No.
036-101284
License State
IL
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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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 1790881647, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 9 → 18 → 9 8 → 16 → 7 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 6 + 8 + 2 + 6 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1790881647.

Other Providers at the Same Location


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

Internal Medicine (Infectious Disease)
645 N MICHIGAN AVE, SUITE 900
CHICAGO, IL 60611
Internal Medicine (Infectious Disease)
645 N MICHIGAN AVE, SUITE 900
CHICAGO, IL 60611
Psychologist
645 N MICHIGAN AVE, SUITE 822
CHICAGO, IL 60611
Registered Nurse (Medical-Surgical)
645 N MICHIGAN AVE, SUITE 530
CHICAGO, IL 60611
Durable Medical Equipment & Medical Supplies
645 N MICHIGAN AVE, SUITE 210
CHICAGO, IL 60611
Clinical Nurse Specialist (Women's Health)
645 N MICHIGAN AVE
CHICAGO, IL 60611
Clinical Neuropsychologist
645 N MICHIGAN AVE, SUITE 410
CHICAGO, IL 60611
Otolaryngology (Otology & Neurotology)
645 N MICHIGAN AVE, SUITE 410
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
645 N MICHIGAN AVE, SUITE 1058-A
CHICAGO, IL 60611
Psychiatry & Neurology (Neurology)
645 N MICHIGAN AVE, SUITE 410
CHICAGO, IL 60611
Internal Medicine (Endocrinology, Diabetes & Metabolism)
645 N MICHIGAN AVE, SUITE 530
CHICAGO, IL 60611
Internal Medicine (Infectious Disease)
645 N MICHIGAN AVE, SUITE 1058-A
CHICAGO, IL 60611
Ophthalmology
645 N MICHIGAN AVE, SUITE 440
CHICAGO, IL 60611
General Acute Care Hospital
645 N MICHIGAN AVE, SUITE 440
CHICAGO, IL 60611
Emergency Medicine
645 N MICHIGAN AVE, SUITE 1058 A
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
645 N MICHIGAN AVE, SUITE 410
CHICAGO, IL 60611
Physical Therapist
645 N MICHIGAN AVE, SUITE 410
CHICAGO, IL 60611
Internal Medicine (Infectious Disease)
645 N MICHIGAN AVE, SUITE 900
CHICAGO, IL 60611
Nurse Practitioner (Family)
645 N MICHIGAN AVE, SUITE 530
CHICAGO, IL 60611
Internal Medicine
645 N MICHIGAN AVE
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790881647, enumerated as an "individual" on September 16, 2006.

The provider is located at 645 N MICHIGAN AVE SUITE 900 CHICAGO, IL 60611 and the phone number is (312) 695-5085.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.