ALEXANDER YAU
NPI 1962933366
Emergency Medicine in Westerville, OH

Active since March 27, 2017
500 S CLEVELAND AVE, WESTERVILLE, OH 43081(380) 898-4400 Get Directions Write a Review

NPPES record last updated: July 31, 2020. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 31, 2020, Mar 27, 2017 (2 updates tracked since 2017).

  • Individual
  • Male
  • Emergency Medicine

About ALEXANDER YAU

This page provides the complete NPI Profile along with additional information for Alexander Yau, a provider established in Westerville, Ohio with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1962933366 assigned on March 2017. The practitioner's primary taxonomy code is 207P00000X with license number 35.138620 (OH). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1962933366
Provider Name
ALEXANDER YAU
Gender
Male
Entity Type
Individual
Location Address
500 S CLEVELAND AVE WESTERVILLE, OH 43081
Location Phone
(380) 898-4400
Mailing Address
122 W STARR AVE COLUMBUS, OH 43201
Is Sole Proprietor?
No
Enumeration Date
03-27-2017
Last Update Date
07-31-2020
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
35.138620
License State
OH
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1962933366, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
9
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
3
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 6 → 12 → 3 9 → 18 → 9 3 → 6 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 2 + 2 + 1 + 8 + 3 + 6 + 3 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1962933366.

Other Providers at the Same Location


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

Advanced Practice Midwife
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Anesthesiology
500 S CLEVELAND AVE, ST. ANN'S HOSPITAL ANESTHESIA DEPT
WESTERVILLE, OH 43081
Nurse Anesthetist, Certified Registered
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Nurse Anesthetist, Certified Registered
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Nurse Anesthetist, Certified Registered
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Anesthesiology
500 S CLEVELAND AVE, ST. ANN'S HOSPITAL ANESTHESIA DEPT
WESTERVILLE, OH 43081
Nurse Anesthetist, Certified Registered
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Pathology (Anatomic Pathology & Clinical Pathology)
500 S CLEVELAND AVE, ST. ANN'S HOSPITAL PATHOLOGY DEPT
WESTERVILLE, OH 43081
Internal Medicine (Critical Care Medicine)
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Internal Medicine (Critical Care Medicine)
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Internal Medicine
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Emergency Medicine
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Internal Medicine
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Emergency Medicine
500 S CLEVELAND AVE
WESTERVILLE, OH 43081
Obstetrics & Gynecology
500 S CLEVELAND AVE
WESTERVILLE, OH 43081

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1962933366, enumerated as an "individual" on March 27, 2017.

The provider is located at 500 S CLEVELAND AVE WESTERVILLE, OH 43081 and the phone number is (380) 898-4400.

Emergency Medicine with taxonomy code 207P00000X.