DR. DAVID PHILLIP PARKER M.D.
NPI 1255334983
Preventive Medicine - Clinical Informatics in Austin, TX

NPI Status: Active since May 26, 2005

Contact Information

5900 BALCONES DR # 11505
AUSTIN, TX
ZIP 78731
Phone: (703) 830-1845

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  • Individual
  • Male
  • Preventive Medicine
  • Clinical Informatics

About DAVID PARKER

This page provides the complete NPI Profile along with additional information for David Parker, a provider established in Austin, Texas with a medical specialization in Preventive Medicine, focusing in clinical informatics . The healthcare provider is registered in the NPI registry with number 1255334983 assigned on May 2005. The practitioner's primary taxonomy code is 2083C0008X with license number 0101222052 (VA). The provider is registered as an individual and his NPI record was last updated December 2025.

NPI
1255334983
Provider Name
DR. DAVID PHILLIP PARKER M.D.
Gender
Male
Entity Type
Individual
Location Address
5900 BALCONES DR # 11505 AUSTIN, TX 78731
Location Phone
(703) 830-1845
Mailing Address
5900 BALCONES DR # 11505 AUSTIN, TX 78731
Mailing Phone
(703) 830-1845
Is Sole Proprietor?
Yes
Enumeration Date
05-26-2005
Last Update Date
12-18-2025
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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 Clinical Informatics

Taxonomy Code
2083C0008X
Type
Allopathic & Osteopathic Physicians
License No.
0101222052
License State
VA
Taxonomy Description
Physicians who practice Clinical Informatics collaborate with other health care and information technology professionals to analyze, design, implement and evaluate information and communication systems that enhance individual and population health outcomes, improve patient care, and strengthen the clinician-patient relationship. Clinical Informaticians use their knowledge of patient care combined with their understanding of informatics concepts, methods, and tools to: assess information and knowledge needs of health care professionals and patients; characterize, evaluate, and refine clinical processes; develop, implement, and refine clinical decision support systems; and lead or participate in the procurement, customization, development, implementation, management, evaluation, and continuous improvement of clinical information systems.

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

0101222052 (VA)

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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 1255334983, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 5 → 10 → 1 3 → 6 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 6 + 3 + 8 + 9 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1255334983.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255334983, enumerated as an "individual" on May 26, 2005.

The provider is located at 5900 BALCONES DR # 11505 AUSTIN, TX 78731 and the phone number is (703) 830-1845.

Preventive Medicine with taxonomy code 2083C0008X and a focus in Clinical Informatics.