INFECTIOUS DISEASE ASSOCIATES OF ORANGE COUNTY, INC.
NPI 1326403130
Internal Medicine - Infectious Disease in Santa Ana, CA

Active since December 21, 2015
999 N TUSTIN AVE STE 224, SANTA ANA, CA 92705(714) 664-0045(714) 664-0049 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 14, 2025, Jun 7, 2021, Dec 21, 2015 (3 updates tracked since 2015).

  • Organization
  • Internal Medicine
  • Infectious Disease

About INFECTIOUS DISEASE ASSOCIATES OF ORANGE COUNTY, INC.

This page provides the complete NPI Profile along with additional information for Infectious Disease Associates Of Orange County, Inc., an internist established in Santa Ana, California operating as a Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1326403130 assigned on December 2015. The practitioner's primary taxonomy code is 207RI0200X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Tuan V Ta Md (Owner)

NPI
1326403130 Verify this NPI
Provider Name
INFECTIOUS DISEASE ASSOCIATES OF ORANGE COUNTY, INC.
Entity Type
Organization
Location Address
999 N TUSTIN AVE STE 224 SANTA ANA, CA 92705
Location Phone
(714) 664-0045
Location Fax
(714) 664-0049
Mailing Address
2321 E 4TH STREET SUITE C #637 SANTA ANA, CA 92705
Mailing Phone
(714) 664-0045
Mailing Fax
(714) 664-0049
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-21-2015
Last Update Date
08-14-2025
Code Navigator

An internist like Infectious Disease Associates Of Orange County, Inc. 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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

DR. TUAN V TA MD

Authorized Official Title
OWNER
Authorized Official Phone
(714) 664-0045

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
1326403130MEDICAID (05)CA 

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Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine (Infectious Disease)
999 N TUSTIN AVE STE 224
SANTA ANA, CA 92705
Nurse Practitioner
999 N TUSTIN AVE STE 224
SANTA ANA, CA 92705

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326403130, enumerated as an "organization" on December 21, 2015.

The provider is located at 999 N TUSTIN AVE STE 224 SANTA ANA, CA 92705 and the phone number is (714) 664-0045.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.