DAVID OSTEEN
NPI 1497357412
Specialist/Technologist, Pathology - Laboratory Management in San Antonio, TX

NPI Status: Active since November 13, 2020

Contact Information

227 N LOOP 1604 E STE 150
SAN ANTONIO, TX
ZIP 78232
Phone: (210) 960-7894
Fax: (866) 750-1161

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

Individual
Male
Specialist/Technologist, Pathology
Laboratory Management

About DAVID OSTEEN

This page provides the complete NPI Profile along with additional information for David Osteen, a provider established in San Antonio, Texas with a medical specialization in Specialist/technologist, Pathology, focusing in laboratory management . The healthcare provider is registered in the NPI registry with number 1497357412 assigned on November 2020. The practitioner's primary taxonomy code is 246QL0900X. The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI: 1497357412
Provider Name: DAVID OSTEEN
Gender: Male
Entity Type: Individual
Location Address: 227 N LOOP 1604 E STE 150 SAN ANTONIO, TX 78232
Location Phone: (210) 960-7894
Location Fax: (866) 750-1161
Mailing Address: 227 N LOOP 1604 E STE 150 SAN ANTONIO, TX 78232
Mailing Phone: (210) 960-7894
Mailing Fax: (866) 750-1161
Is Sole Proprietor?: No
Enumeration Date: 11-13-2020
Last Update Date: 11-13-2020
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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/Technologist, Pathology Laboratory Management
Taxonomy Code: 246QL0900X
Type: Technologists, Technicians & Other Technical Service Providers

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 1497357412, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 2

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 9 → 18 → 9 3 → 6 7 → 14 → 5 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 6 + 5 + 1 + 4 + 4 + 2 + 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 1497357412.