MICHAEL OEST CPO
NPI 1992996581
Specialist in Whittier, CA

NPI Status: Active since August 07, 2007

Contact Information

8201 SANTA FE SPRINGS RD
WHITTIER, CA
ZIP 90606
Phone: (562) 298-4070
Fax: (562) 774-0514

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  • Individual
  • Male
  • Specialist

About MICHAEL OEST

This page provides the complete NPI Profile along with additional information for Michael Oest, a provider established in Whittier, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1992996581 assigned on August 2007. The practitioner's primary taxonomy code is 174400000X with license number CPO 2583 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1992996581
Provider Name
MICHAEL OEST CPO
Gender
Male
Entity Type
Individual
Location Address
8201 SANTA FE SPRINGS RD WHITTIER, CA 90606
Location Phone
(562) 298-4070
Location Fax
(562) 774-0514
Mailing Address
8201 SANTA FE SPRINGS RD WHITTIER, CA 90606
Mailing Phone
(562) 298-4070
Mailing Fax
(562) 774-0514
Is Sole Proprietor?
No
Enumeration Date
08-07-2007
Last Update Date
05-10-2023
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
CPO 2583
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1992996581, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).

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
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 9 → 18 → 9 9 → 18 → 9 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 8 + 9 + 1 + 2 + 5 + 1 + 6 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1992996581.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Prosthetic/Orthotic Supplier
8201 SANTA FE SPRINGS RD
WHITTIER, CA 90606

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992996581, enumerated as an "individual" on August 07, 2007.

The provider is located at 8201 SANTA FE SPRINGS RD WHITTIER, CA 90606 and the phone number is (562) 298-4070.

Specialist with taxonomy code 174400000X.