DR. MICHAEL ROSENBERG M.D.
NPI 1891956090
Allergy & Immunology - Allergy in Chicago, IL

NPI Status: Active since June 19, 2008

Contact Information

150 W SUPERIOR ST
UNIT 1101
CHICAGO, IL
ZIP 60610
Phone: (312) 266-6075

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  • Individual
  • Male
  • Allergy & Immunology
  • Allergy

About MICHAEL ROSENBERG

This page provides the complete NPI Profile along with additional information for Michael Rosenberg, a provider established in Chicago, Illinois with a medical specialization in Allergy & Immunology, focusing in allergy . The healthcare provider is registered in the NPI registry with number 1891956090 assigned on June 2008. The practitioner's primary taxonomy code is 207KA0200X with license number 036045676 (IL). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1891956090
Provider Name
DR. MICHAEL ROSENBERG M.D.
Gender
Male
Entity Type
Individual
Location Address
150 W SUPERIOR ST UNIT 1101 CHICAGO, IL 60610
Location Phone
(312) 266-6075
Mailing Address
150 W SUPERIOR ST UNIT 1101 CHICAGO, IL 60610
Mailing Phone
(312) 266-6075
Is Sole Proprietor?
Yes
Enumeration Date
06-19-2008
Last Update Date
06-19-2008
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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

Allergy & Immunology Allergy

Taxonomy Code
207KA0200X
Type
Allopathic & Osteopathic Physicians
License No.
036045676
License State
IL
Taxonomy Description
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

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)
1207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

036045676 (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 1891956090, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 9 → 18 → 9 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 8 + 5 + 1 + 2 + 0 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1891956090.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891956090, enumerated as an "individual" on June 19, 2008.

The provider is located at 150 W SUPERIOR ST UNIT 1101 CHICAGO, IL 60610 and the phone number is (312) 266-6075.

Allergy & Immunology with taxonomy code 207KA0200X and a focus in Allergy.