RYAN PATRICK FAGAN M.D., M.P.H.
NPI 1659516326
Internal Medicine - Infectious Disease in Atlanta, GA

NPI Status: Active since December 10, 2008

Contact Information

1600 CLIFTON ROAD NE
BUILDING 1, MS D-63
ATLANTA, GA
ZIP 30333
Phone: (404) 708-1154
Fax: (404) 639-3535

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  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About RYAN FAGAN

This page provides the complete NPI Profile along with additional information for Ryan Fagan, an internist established in Atlanta, Georgia with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1659516326 assigned on December 2008. The practitioner's primary taxonomy code is 207RI0200X with license number MD.15556R (LA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1659516326
Provider Name
RYAN PATRICK FAGAN M.D., M.P.H.
Gender
Male
Entity Type
Individual
Location Address
1600 CLIFTON ROAD NE BUILDING 1, MS D-63 ATLANTA, GA 30333
Location Phone
(404) 708-1154
Location Fax
(404) 639-3535
Mailing Address
1600 CLIFTON ROAD NE BUILDING 1, MS D-63 ATLANTA, GA 30333
Mailing Phone
(404) 708-1154
Mailing Fax
(404) 639-3535
Is Sole Proprietor?
No
Enumeration Date
12-10-2008
Last Update Date
12-10-2008
Code Navigator

An internist like Ryan Fagan 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.
MD.15556R
License State
LA
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.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

MD.15556R (LA)

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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 1659516326, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
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 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 0 + 1 + 1 + 2 + 3 + 4 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1659516326.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine
1600 CLIFTON ROAD NE, CENTERS FOR DISEASE CONTROL AND PREVENTION
ATLANTA, GA 30333
Pediatrics
1600 CLIFTON ROAD NE, MAILSTOP C-12
ATLANTA, GA 30333

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659516326, enumerated as an "individual" on December 10, 2008.

The provider is located at 1600 CLIFTON ROAD NE BUILDING 1, MS D-63 ATLANTA, GA 30333 and the phone number is (404) 708-1154.

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