DR. DAVID ALLEN OLIVER MD
NPI 1528058229
Orthopaedic Surgery in Auburn, CA

NPI Status: Active since October 24, 2005

Contact Information

275 GRASS VALLEY HWY
AUBURN, CA
ZIP 95603
Phone: (530) 885-0344
Fax: (530) 885-8967

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Orthopaedic Surgery

About DAVID OLIVER

This page provides the complete NPI Profile along with additional information for David Oliver, a provider established in Auburn, California with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1528058229 assigned on October 2005. The practitioner's primary taxonomy code is 207X00000X with license number GFE79447 (CA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI: 1528058229
Provider Name: DR. DAVID ALLEN OLIVER MD
Gender: Male
Entity Type: Individual
Location Address: 275 GRASS VALLEY HWY AUBURN, CA 95603
Location Phone: (530) 885-0344
Location Fax: (530) 885-8967
Mailing Address: 275 GRASS VALLEY HWY AUBURN, CA 95603
Mailing Phone: (530) 885-0344
Mailing Fax: (530) 885-8967
Is Sole Proprietor?: No
Enumeration Date: 10-24-2005
Last Update Date: 08-27-2013
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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: Orthopaedic Surgery
Taxonomy Code: 207X00000X
Type: Allopathic & Osteopathic Physicians
License No.: GFE79447
License State: CA
Taxonomy Description: An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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 1528058229, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 4

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 2 → 4 0 → 0 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 0 + 5 + 1 + 6 + 2 + 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 1528058229.