DR. DAVID WINSTON CHESHIRE M.D.
NPI 1134261829
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Huntington Beach, CA

NPI Status: Active since February 12, 2007

Contact Information

18582 BEACH BLVD STE 23A
HUNTINGTON BEACH, CA
ZIP 92648
Phone: (714) 964-4448

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NPPES record last updated: April 30, 2008. Verified against the NPPES registry weekly; last sync: July 12, 2026.

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

About DAVID CHESHIRE

This page provides the complete NPI Profile along with additional information for David Cheshire, a provider established in Huntington Beach, 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 1134261829 assigned on February 2007. The practitioner's primary taxonomy code is 2083P0500X with license number G47665 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1134261829
Provider Name
DR. DAVID WINSTON CHESHIRE M.D.
Gender
Male
Entity Type
Individual
Location Address
18582 BEACH BLVD STE 23A HUNTINGTON BEACH, CA 92648
Location Phone
(714) 964-4448
Mailing Address
17232 RED HILL AVE IRVINE, CA 92614
Mailing Phone
(949) 752-1111
Is Sole Proprietor?
No
Enumeration Date
02-12-2007
Last Update Date
04-30-2008
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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

Preventive Medicine Preventive Medicine/Occupational Environmental Medicine

Taxonomy Code
2083P0500X
Type
Allopathic & Osteopathic Physicians
License No.
G47665
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.

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)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

G47665 (CA)
22083X0100XAllopathic & Osteopathic Physicians

Preventive Medicine
Occupational Medicine

G47665 (CA)

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
W8237OTHER (01)CAMEDICARE GROUP PROVIDER NUMBER
WG47665AMEDICARE PIN (08)CA 

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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 1134261829, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
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 3 → 6 2 → 4 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 6 + 4 + 4 + 6 + 2 + 8 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1134261829.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Physician Assistant
18582 BEACH BLVD STE 23A
HUNTINGTON BEACH, CA 92648
Preventive Medicine (Occupational Medicine)
18582 BEACH BLVD STE 23A
HUNTINGTON BEACH, CA 92648
Family Medicine
18582 BEACH BLVD STE 23A
HUNTINGTON BEACH, CA 92648

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134261829, enumerated as an "individual" on February 12, 2007.

The provider is located at 18582 BEACH BLVD STE 23A HUNTINGTON BEACH, CA 92648 and the phone number is (714) 964-4448.

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.