WESLEY CHAN M.D.
NPI 1740214899
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Walnut Creek, CA

NPI Status: Active since July 11, 2006

Contact Information

1981 N BROADWAY
SUITE 190
WALNUT CREEK, CA
ZIP 94596
Phone: (925) 932-7715
Fax: (925) 932-0603

Get Directions Write a Review

  • Individual
  • Male
  • Preventive Medicine
  • Preventive Medicine/Occupational Environ...

About WESLEY CHAN

This page provides the complete NPI Profile along with additional information for Wesley Chan, a provider established in Walnut Creek, California with a medical specialization in Preventive Medicine, focusing in preventive medicine/occupational environmental medicine . The healthcare provider is registered in the NPI registry with number 1740214899 assigned on July 2006. The practitioner's primary taxonomy code is 2083P0500X with license number G77368 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1740214899
Provider Name
WESLEY CHAN M.D.
Gender
Male
Entity Type
Individual
Location Address
1981 N BROADWAY SUITE 190 WALNUT CREEK, CA 94596
Location Phone
(925) 932-7715
Location Fax
(925) 932-0603
Mailing Address
55 PANORAMA CT DANVILLE, CA 94506
Mailing Phone
(925) 736-9193
Mailing Fax
(925) 932-0603
Is Sole Proprietor?
No
Enumeration Date
07-11-2006
Last Update Date
07-08-2007
Code Navigator

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

Preventive Medicine Preventive Medicine/Occupational Environmental Medicine

Taxonomy Code
2083P0500X
Type
Allopathic & Osteopathic Physicians
License No.
G77368
License State
CA
Taxonomy Description
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00G773680MEDICARE ID-TYPE UNSPECIFIED (04)CA 
H36629MEDICARE UPIN (02)CA 

Reviews for WESLEY CHAN M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1740214899, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 4 → 8 2 → 4 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 4 + 1 + 8 + 8 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1740214899.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Neurology)
1981 N BROADWAY, SUITE 248
WALNUT CREEK, CA 94596
Emergency Medicine
1981 N BROADWAY, SUITE 200
WALNUT CREEK, CA 94596
Dentist
1981 N BROADWAY, SUITE # 212
WALNUT CREEK, CA 94596
Family Medicine (Obesity Medicine)
1981 N BROADWAY, SUITE 200
WALNUT CREEK, CA 94596
Naturopath
1981 N BROADWAY, SUITE #255
WALNUT CREEK, CA 94596
Dentist (Oral and Maxillofacial Surgery)
1981 N BROADWAY, SUITE 180
WALNUT CREEK, CA 94596
Nurse Practitioner
1981 N BROADWAY, SUITE 200
WALNUT CREEK, CA 94596
Naturopath
1981 N BROADWAY, SUITE 255
WALNUT CREEK, CA 94596
Nurse Practitioner (Family)
1981 N BROADWAY, SUITE 190
WALNUT CREEK, CA 94596
Preventive Medicine (Occupational Medicine)
1981 N BROADWAY, SUITE 190
WALNUT CREEK, CA 94596

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740214899, enumerated as an "individual" on July 11, 2006.

The provider is located at 1981 N BROADWAY SUITE 190 WALNUT CREEK, CA 94596 and the phone number is (925) 932-7715.

Preventive Medicine with taxonomy code 2083P0500X and a focus in Preventive Medicine/Occupational Environmental Medicine.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.