RUYING FU
NPI 1225830664
Psychiatry & Neurology - Neurology in Phoenix, AZ

NPI Status: Active since March 26, 2025

Contact Information

1919 E THOMAS RD
PHOENIX, AZ
ZIP 85016
Phone: (602) 933-1000

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  • Individual
  • Female
  • Psychiatry & Neurology
  • Neurology

About RUYING FU

This page provides the complete NPI Profile along with additional information for Ruying Fu, a provider established in Phoenix, Arizona with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1225830664 assigned on March 2025. The practitioner's primary taxonomy code is 2084N0400X with license number R81461 (AZ). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1225830664
Provider Name
RUYING FU
Gender
Female
Entity Type
Individual
Location Address
1919 E THOMAS RD PHOENIX, AZ 85016
Location Phone
(602) 933-1000
Mailing Address
1919 E THOMAS RD PHOENIX, AZ 85016
Mailing Phone
(602) 933-1000
Is Sole Proprietor?
No
Enumeration Date
03-26-2025
Last Update Date
03-26-2025
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
R81461
License State
AZ
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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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 1225830664, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 8 → 16 → 7 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 1 + 6 + 3 + 0 + 6 + 1 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1225830664.

Other Providers at the Same Location


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

Emergency Medicine (Pediatric Emergency Medicine)
1919 E THOMAS RD, DEPARTMENT OF EMERGENCY MEDICINE
PHOENIX, AZ 85016
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics (Pediatric Critical Care Medicine)
1919 E THOMAS RD, SUITE 1891
PHOENIX, AZ 85016
Pediatrics (Pediatric Nephrology)
1919 E THOMAS RD, BLDG B DEPT OF NEPHROLOGY
PHOENIX, AZ 85016
Pediatrics (Pediatric Hematology-Oncology)
1919 E THOMAS RD, BLDG B DEPT OF HEMATOLOGY/ONCOLOGY
PHOENIX, AZ 85016
Pediatrics (Pediatric Hematology-Oncology)
1919 E THOMAS RD, BLDG B
PHOENIX, AZ 85016
Clinical Neuropsychologist
1919 E THOMAS RD, BLDG B
PHOENIX, AZ 85016
Pediatrics (Pediatric Emergency Medicine)
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics (Pediatric Hematology-Oncology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics (Pediatric Emergency Medicine)
1919 E THOMAS RD
PHOENIX, AZ 85016
Pathology (Pediatric Pathology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics (Pediatric Emergency Medicine)
1919 E THOMAS RD
PHOENIX, AZ 85016
Medical Genetics (Clinical Genetics (M.D.))
1919 E THOMAS RD, EAST BUILDING
PHOENIX, AZ 85016
Pediatrics (Neonatal-Perinatal Medicine)
1919 E THOMAS RD, BLDG C RM 1354
PHOENIX, AZ 85016
Nurse Practitioner (Neonatal, Critical Care)
1919 E THOMAS RD
PHOENIX, AZ 85016
Nurse Practitioner (Neonatal)
1919 E THOMAS RD
PHOENIX, AZ 85016
Registered Nurse (Neonatal Intensive Care)
1919 E THOMAS RD, PHOENIX CHILDREN'S HOSPITAL - NICU
PHOENIX, AZ 85016
Nurse Practitioner (Neonatal)
1919 E THOMAS RD, EAST BUILDING
PHOENIX, AZ 85016
Nurse Practitioner (Pediatrics)
1919 E THOMAS RD
PHOENIX, AZ 85016
Radiology (Diagnostic Radiology)
1919 E THOMAS RD, PHOENIX CHILDRENS HOSP
PHOENIX, AZ 85016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225830664, enumerated as an "individual" on March 26, 2025.

The provider is located at 1919 E THOMAS RD PHOENIX, AZ 85016 and the phone number is (602) 933-1000.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.