CHARLES XIAO FANG M.D.
NPI 1043605652
Radiology - Diagnostic Radiology in Stanford, CA

NPI Status: Active since March 31, 2015

Contact Information

300 PASTEUR DR
STANFORD, CA
ZIP 94305
Phone: (650) 725-8018

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About CHARLES FANG

This page provides the complete NPI Profile along with additional information for Charles Fang, a provider established in Stanford, California with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1043605652 assigned on March 2015. The practitioner's primary taxonomy code is 2085R0202X with license number A145290 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1043605652
Provider Name
CHARLES XIAO FANG M.D.
Gender
Male
Entity Type
Individual
Location Address
300 PASTEUR DR STANFORD, CA 94305
Location Phone
(650) 725-8018
Mailing Address
300 PASTEUR DR STANFORD, CA 94305
Mailing Phone
(650) 725-8018
Is Sole Proprietor?
No
Enumeration Date
03-31-2015
Last Update Date
10-19-2020
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Location Map

Secondary Locations

  • 3801 Miranda Ave
    Palo Alto, CA 94304
    (650) 493-5000

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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
A145290
License State
CA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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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 1043605652, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
2
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 4 → 8 6 → 12 → 3 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 1 + 2 + 0 + 1 + 0 + 6 + 1 + 0 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1043605652.

Other Providers at the Same Location


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

Emergency Medicine
300 PASTEUR DR, H3200, M/C 5230
PALO ALTO, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Obstetrics & Gynecology
300 PASTEUR DR
STANFORD, CA 94305
Obstetrics & Gynecology
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR, SUMC - PEDS PHYSICIAN BILLING MC:5530
PALO ALTO, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Anesthesiology
300 PASTEUR DR
STANFORD, CA 94305
Internal Medicine (Endocrinology, Diabetes & Metabolism)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Internal Medicine (Pulmonary Disease)
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology)
300 PASTEUR DR
STANFORD, CA 94305
Ophthalmology
300 PASTEUR DR
STANFORD, CA 94305
Internal Medicine (Cardiovascular Disease)
300 PASTEUR DR
STANFORD, CA 94305
Dermatology
300 PASTEUR DR
STANFORD, CA 94305
Emergency Medicine
300 PASTEUR DR
STANFORD, CA 94305

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043605652, enumerated as an "individual" on March 31, 2015.

The provider is located at 300 PASTEUR DR STANFORD, CA 94305 and the phone number is (650) 725-8018.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.