CAROLINE CARLSON JOHNSON M.D.
NPI 1821474636
Internal Medicine - Infectious Disease in Philadelphia, PA

NPI Status: Active since August 04, 2015

Contact Information

500 S BROAD ST
PHILADELPHIA, PA
ZIP 19146
Phone: (215) 685-6740
Fax: (215) 545-8362

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  • Individual
  • Female
  • Internal Medicine
  • Infectious Disease

About CAROLINE JOHNSON

This page provides the complete NPI Profile along with additional information for Caroline Johnson, an internist established in Philadelphia, Pennsylvania with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1821474636 assigned on August 2015. The practitioner's primary taxonomy code is 207RI0200X with license number MD035967E (PA). The provider is registered as an individual and her NPI record was last updated 11 years ago.

NPI
1821474636
Provider Name
CAROLINE CARLSON JOHNSON M.D.
Gender
Female
Entity Type
Individual
Location Address
500 S BROAD ST PHILADELPHIA, PA 19146
Location Phone
(215) 685-6740
Location Fax
(215) 545-8362
Mailing Address
500 S BROAD ST PHILADELPHIA, PA 19146
Mailing Phone
(215) 685-6740
Mailing Fax
(215) 545-8362
Is Sole Proprietor?
No
Enumeration Date
08-04-2015
Last Update Date
08-04-2015
Code Navigator

An internist like Caroline Johnson 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.
MD035967E
License State
PA
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 1821474636, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
Check
6
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 2 → 4 4 → 8 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 8 + 7 + 8 + 6 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1821474636.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Pharmacist
500 S BROAD ST
PHILADELPHIA, PA 19146
Pharmacy Technician
500 S BROAD ST
PHILADELPHIA, PA 19146
Pharmacy Technician
500 S BROAD ST
PHILADELPHIA, PA 19146
Pharmacy Technician
500 S BROAD ST
PHILADELPHIA, PA 19146
Family Medicine
500 S BROAD ST, 3RD FLOOR
PHILADELPHIA, PA 19146
Custodial Care Facility
500 S BROAD ST, AMBULATORY HEALTH SERVICES
PHILA, PA 19146
Clinic/Center (Public Health, State or Local)
500 S BROAD ST, SECOND FLOOR
PHILADELPHIA, PA 19146
Nurse Practitioner (Women's Health)
500 S BROAD ST
PHILADELPHIA, PA 19146
Preventive Medicine (Public Health & General Preventive Medicine)
500 S BROAD ST
PHILADELPHIA, PA 19146
Pediatrics
500 S BROAD ST, 3RD FLOOR
PHILADELPHIA, PA 19146
Psychologist (Clinical)
500 S BROAD ST
PHILADELPHIA, PA 19146

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821474636, enumerated as an "individual" on August 04, 2015.

The provider is located at 500 S BROAD ST PHILADELPHIA, PA 19146 and the phone number is (215) 685-6740.

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