THOMAS GEORGE CHRISTENSEN
NPI 1386921609
Pharmacist - Geriatric in Chicago, IL

NPI Status: Active since November 15, 2011

Contact Information

680 N LAKE SHORE DR
CHICAGO, IL
ZIP 60611
Phone: (312) 943-2224

Get Directions Write a Review

  • Individual
  • Male
  • Pharmacist
  • Geriatric

About THOMAS CHRISTENSEN

This page provides the complete NPI Profile along with additional information for Thomas Christensen, a provider established in Chicago, Illinois with a medical specialization in Pharmacist, focusing in geriatric . The healthcare provider is registered in the NPI registry with number 1386921609 assigned on November 2011. The practitioner's primary taxonomy code is 1835G0303X with license number 051286264 (IL). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1386921609
Provider Name
THOMAS GEORGE CHRISTENSEN
Gender
Male
Entity Type
Individual
Location Address
680 N LAKE SHORE DR CHICAGO, IL 60611
Location Phone
(312) 943-2224
Mailing Address
5836 W 54TH PL CHICAGO, IL 60638
Mailing Phone
(773) 585-2357
Is Sole Proprietor?
Yes
Enumeration Date
11-15-2011
Last Update Date
11-15-2011
Code Navigator

A pharmacist like Thomas Christensen fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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

Pharmacist Geriatric

Taxonomy Code
1835G0303X
Type
Pharmacy Service Providers
License No.
051286264
License State
IL
Taxonomy Description
A pharmacist who is certified in geriatric pharmacy practice is designated as a Certified Geriatric Pharmacist (CGP). To become certified, candidates are expected to be knowledgeable about principles of geriatric pharmacotherapy and the provision of pharmaceutical care to the elderly.

Reviews for THOMAS GEORGE CHRISTENSEN

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 1386921609, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 1 + 8 + 2 + 2 + 6 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1386921609.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
680 N LAKE SHORE DR, SUITE 118
CHICAGO, IL 60611
Psychologist (Clinical)
680 N LAKE SHORE DR, STE 304
CHICAGO, IL 60611
Durable Medical Equipment & Medical Supplies
680 N LAKE SHORE DR, SUITE 1207
CHICAGO, IL 60611
Anesthesiology
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Transplant Surgery
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Internal Medicine (Nephrology)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Internal Medicine (Cardiovascular Disease)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Audiologist
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Otolaryngology (Facial Plastic Surgery)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Anesthesiology (Critical Care Medicine)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Internal Medicine (Gastroenterology)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Nuclear Medicine
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Dentist (Oral and Maxillofacial Pathology)
680 N LAKE SHORE DR, NORTHWESTERN MEDICAL FACULTY FOUNDATION
CHICAGO, IL 60611
Specialist
680 N LAKE SHORE DR, SUITE 824
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Nurse Practitioner (Family)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Otolaryngology
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386921609, enumerated as an "individual" on November 15, 2011.

The provider is located at 680 N LAKE SHORE DR CHICAGO, IL 60611 and the phone number is (312) 943-2224.

Pharmacist with taxonomy code 1835G0303X and a focus in Geriatric.