DAO MD, PC
NPI 1548067838
Internal Medicine in Garden Grove, CA

NPI Status: Active since February 25, 2025

Contact Information

9191 WESTMINSTER AVE STE 206
GARDEN GROVE, CA
ZIP 92844
Phone: (714) 899-2000

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  • Organization
  • Internal Medicine
  • CLIA Number: 05D0971696
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-19-2026

About DAO MD, PC

This page provides the complete NPI Profile along with additional information for Dao Md, Pc, an internist established in Garden Grove, California operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1548067838 assigned on February 2025. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Dao Md, Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Ms. Julie D Dong (Secretary)

NPI
1548067838
Provider Name
DAO MD, PC
Entity Type
Organization
Location Address
9191 WESTMINSTER AVE STE 206 GARDEN GROVE, CA 92844
Location Phone
(714) 899-2000
Mailing Address
16027 BROOKHURST ST STE I-109 FOUNTAIN VALLEY, CA 92708
Mailing Phone
(714) 890-2138
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-25-2025
Last Update Date
02-25-2025
Code Navigator

An internist like Dao Md, Pc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MS. JULIE D DONG

Authorized Official Title
SECRETARY
Authorized Official Phone
(714) 890-2138

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D0971696
Facility Type
Physician Office
Certificate Effective Date
March 20, 2024
Certificate Expiration Date
March 19, 2026
Laboratory Director
DAVID D. NGUYEN MD
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Dao Md, Pc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1548067838, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
6
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
8
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 4 → 8 0 → 0 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 0 + 6 + 1 + 4 + 8 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1548067838.

Other Providers at the Same Location


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

Specialist
9191 WESTMINSTER AVE STE 206
GARDEN GROVE, CA 92844

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548067838, enumerated as an "organization" on February 25, 2025.

The provider is located at 9191 WESTMINSTER AVE STE 206 GARDEN GROVE, CA 92844 and the phone number is (714) 899-2000.

Internal Medicine with taxonomy code 207R00000X.