DR. TOMAS JAVIER ARAGON M.D., DR.P.H.
NPI 1053633149
Internal Medicine - Infectious Disease in San Francisco, CA

NPI Status: Active since February 17, 2010

Contact Information

101 GROVE ST
ROOM 308
SAN FRANCISCO, CA
ZIP 94102
Phone: (415) 787-2583

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  • Individual
  • Male
  • Internal Medicine
  • Infectious Disease

About TOMAS ARAGON

This page provides the complete NPI Profile along with additional information for Tomas Aragon, an internist established in San Francisco, California with a medical specialization in Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1053633149 assigned on February 2010. The practitioner's primary taxonomy code is 207RI0200X with license number G68687 (CA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1053633149
Provider Name
DR. TOMAS JAVIER ARAGON M.D., DR.P.H.
Gender
Male
Entity Type
Individual
Location Address
101 GROVE ST ROOM 308 SAN FRANCISCO, CA 94102
Location Phone
(415) 787-2583
Mailing Address
101 GROVE ST ROOM 308 SAN FRANCISCO, CA 94102
Mailing Phone
(415) 787-2583
Is Sole Proprietor?
No
Enumeration Date
02-17-2010
Last Update Date
12-26-2013
Code Navigator

An internist like Tomas Aragon 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.
G68687
License State
CA
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 1053633149, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 5 → 10 → 1 6 → 12 → 3 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 1 + 2 + 3 + 6 + 1 + 8 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1053633149.

Other Providers at the Same Location


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

Pediatrics
101 GROVE ST, SUITE 204
SAN FRANCISCO, CA 94102
Nurse Practitioner (Occupational Health)
101 GROVE ST, ROOM 217
SAN FRANCISCO, CA 94102
Case Management
101 GROVE ST, ROOM 330
SAN FRANCISCO, CA 94102
Social Worker (Clinical)
101 GROVE ST, ROOM #119
SAN FRANCISCO, CA 94102
Clinic/Center (Adult Mental Health)
101 GROVE ST
SAN FRANCISCO, CA 94102
Registered Nurse
101 GROVE ST
SAN FRANCISCO, CA 94102
Registered Nurse
101 GROVE ST
SAN FRANCISCO, CA 94102
Registered Nurse
101 GROVE ST, ROOM 102
SAN FRANCISCO, CA 94102
Registered Nurse (General Practice)
101 GROVE ST, ROOM 102
SAN FRANCISCO, CA 94102
Case Manager/Care Coordinator
101 GROVE ST
SAN FRANCISCO, CA 94102
Specialist/Technologist, Other (Biostatistician)
101 GROVE ST, STE 408
SAN FRANCISCO, CA 94102
Specialist
101 GROVE ST
SAN FRANCISCO, CA 94102
Registered Nurse
101 GROVE ST, ROOM 102
SAN FRANCISCO, CA 94102
Counselor
101 GROVE ST
SAN FRANCISCO, CA 94102
Behavior Analyst
101 GROVE ST, ROOM 320
SAN FRANCISCO, CA 94102
Registered Nurse
101 GROVE ST
SAN FRANCISCO, CA 94102
Specialist
101 GROVE ST, RM 110
SAN FRANCISCO, CA 94102
Specialist
101 GROVE ST
SAN FRANCISCO, CA 94102
Specialist
101 GROVE ST, ROOM 108
SAN FRANCISCO, CA 94102
Specialist
101 GROVE ST, ROOM 116
SAN FRANCISCO, CA 94102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053633149, enumerated as an "individual" on February 17, 2010.

The provider is located at 101 GROVE ST ROOM 308 SAN FRANCISCO, CA 94102 and the phone number is (415) 787-2583.

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