DR. ANDREW JATIS PHARMD
NPI 1396605937
Pharmacist - Cardiology in Chicago, IL

NPI Status: Active since November 17, 2025

Contact Information

675 N SAINT CLAIR ST
CHICAGO, IL
ZIP 60611
Phone: (312) 926-2000

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  • Individual
  • Male
  • Pharmacist
  • Cardiology

About ANDREW JATIS

This page provides the complete NPI Profile along with additional information for Andrew Jatis, a provider established in Chicago, Illinois with a medical specialization in Pharmacist, focusing in cardiology . The healthcare provider is registered in the NPI registry with number 1396605937 assigned on November 2025. The practitioner's primary taxonomy code is 1835C0206X with license number 051305585 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1396605937
Provider Name
DR. ANDREW JATIS PHARMD
Gender
Male
Entity Type
Individual
Location Address
675 N SAINT CLAIR ST CHICAGO, IL 60611
Location Phone
(312) 926-2000
Mailing Address
3735 MADISON AVE BROOKFIELD, IL 60513
Is Sole Proprietor?
No
Enumeration Date
11-17-2025
Last Update Date
11-17-2025
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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

Pharmacist Cardiology

Taxonomy Code
1835C0206X
Type
Pharmacy Service Providers
License No.
051305585
License State
IL
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in direct patient care to ensure safe and effective use of medications in patients with cardiovascular disease, as members of interprofessional health care teams.

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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 1396605937, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
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 6 → 12 → 3 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 2 + 0 + 1 + 0 + 9 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1396605937.

Other Providers at the Same Location


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

Internal Medicine (Hematology)
675 N SAINT CLAIR ST, SUITE 21-100
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST, SUITE 18-200
CHICAGO, IL 60611
Surgery (Surgical Oncology)
675 N SAINT CLAIR ST, SUITE 100
CHICAGO, IL 60611
Allergy & Immunology
675 N SAINT CLAIR ST, STE 18-250
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST, GALTER 18-#200
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST
CHICAGO, IL 60611
Internal Medicine (Nephrology)
675 N SAINT CLAIR ST, SUITE #250
CHICAGO, IL 60611
Obstetrics & Gynecology (Reproductive Endocrinology)
675 N SAINT CLAIR ST, SUITE #200
CHICAGO, IL 60611
Social Worker (Clinical)
675 N SAINT CLAIR ST, GALTER 20-100
CHICAGO, IL 60611
Internal Medicine
675 N SAINT CLAIR ST, GALTER 18-200
CHICAGO, IL 60611
Internal Medicine (Medical Oncology)
675 N SAINT CLAIR ST, SUITE 100
CHICAGO, IL 60611
Internal Medicine (Medical Oncology)
675 N SAINT CLAIR ST, GALTER 21-100
CHICAGO, IL 60611
Anesthesiology (Pain Medicine)
675 N SAINT CLAIR ST, SUITE 100
CHICAGO, IL 60611
Internal Medicine (Cardiovascular Disease)
675 N SAINT CLAIR ST, GALTER 19-100
CHICAGO, IL 60611
Surgery (Vascular Surgery)
675 N SAINT CLAIR ST, NORTHWESTERN MEMORIAL HOSPIALT GALTER 19-100
CHICAGO, IL 60611
Physician Assistant
675 N SAINT CLAIR ST, GALTER 21-100
CHICAGO, IL 60611
Obstetrics & Gynecology (Reproductive Endocrinology)
675 N SAINT CLAIR ST, GALTER 14-200
CHICAGO, IL 60611
Ophthalmology
675 N SAINT CLAIR ST, GALTER 15-150
CHICAGO, IL 60611
Internal Medicine (Pulmonary Disease)
675 N SAINT CLAIR ST, GALTER 18-250
CHICAGO, IL 60611
Urology
675 N SAINT CLAIR ST, GALTER 17-250
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396605937, enumerated as an "individual" on November 17, 2025.

The provider is located at 675 N SAINT CLAIR ST CHICAGO, IL 60611 and the phone number is (312) 926-2000.

Pharmacist with taxonomy code 1835C0206X and a focus in Cardiology.