MR. DAVID CHARLES GAO CHAN MPH
NPI 1942783352
Health Educator in Fairfield, CA

NPI Status: Active since September 11, 2018

Contact Information

275 BECK AVE
FAIRFIELD, CA
ZIP 94533
Phone: (707) 784-8157

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  • Individual
  • Male
  • Health Educator

About DAVID GAO CHAN

This page provides the complete NPI Profile along with additional information for David Gao Chan, a provider established in Fairfield, California with a medical specialization in Health Educator. The healthcare provider is registered in the NPI registry with number 1942783352 assigned on September 2018. The practitioner's primary taxonomy code is 174H00000X. The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1942783352
Provider Name
MR. DAVID CHARLES GAO CHAN MPH
Other Name
MR. DAVID CHARLES GAO
Other Name Type
Other Name (5)
Gender
Male
Entity Type
Individual
Location Address
275 BECK AVE FAIRFIELD, CA 94533
Location Phone
(707) 784-8157
Mailing Address
275 BECK AVE FAIRFIELD, CA 94533
Mailing Phone
(707) 784-8157
Is Sole Proprietor?
No
Enumeration Date
09-11-2018
Last Update Date
09-11-2018
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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

Health Educator

Taxonomy Code
174H00000X
Type
Other Service Providers
Taxonomy Description
Health educators work in a variety of settings providing education to individuals or groups of individuals on healthy behaviors, wellness, and health-related topics with the goal of preventing diseases and health problems. Health educators generally require a bachelor's degree and may receive additional training, such as through mentoring, internships, or volunteer work.

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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 1942783352, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
3
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 7 → 14 → 5 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 4 + 8 + 6 + 3 + 1 + 0 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1942783352.

Other Providers at the Same Location


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

Family Medicine
275 BECK AVE, MS 5-240
FAIRFIELD, CA 94533
Psychologist (Clinical)
275 BECK AVE
FAIRFIELD, CA 94533
Family Medicine
275 BECK AVE, SECOND FLOOR
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (College Health)
275 BECK AVE
FAIRFIELD, CA 94533
Counselor (Mental Health)
275 BECK AVE
FAIRFIELD, CA 94533
Social Worker (Clinical)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE, MAIL STATION 5-240
FAIRFIELD, CA 94533
Marriage & Family Therapist
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Community Health)
275 BECK AVE
FAIRFIELD, CA 94533
Counselor (Mental Health)
275 BECK AVE, MS 5 - 520
FAIRFIELD, CA 94533
Counselor
275 BECK AVE
FAIRFIELD, CA 94533
Registered Nurse (Maternal Newborn)
275 BECK AVE, MS 5-240
FAIRFIELD, CA 94533

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942783352, enumerated as an "individual" on September 11, 2018.

The provider is located at 275 BECK AVE FAIRFIELD, CA 94533 and the phone number is (707) 784-8157.

Health Educator with taxonomy code 174H00000X.