THANH CAO D.O. – NPI #1073963583
Internal Medicine

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Health Care Provider Taxonomy Code for Internal Medicine

THANH CAO is a physician located in FOUNTAIN VALLEY, CA. NPPES has assigned the NPI number 1073963583 to THANH CAO on June 15, 2016. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RN0300X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Nephrology

The NPI profile was last updated on Jan 16, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for THANH CAO below.

NPI Profile for
THANH CAO

NPI Number
1073963583
Enumeration Date

(about 10 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
THANH CAO
Credentials
D.O.
Primary location
11100 WARNER AVE STE 218
FOUNTAIN VALLEY, CA 92708-7511
Phone: (714) 641-9696 Fax: (714) 641-1211
Mailing address
9373 HAZARD WAY STE 200
SAN DIEGO, CA 92123-1226
Phone: (858) 810-8000 Fax: (858) 268-1911
Sole Proprietor
Yes
Updated
Certification Date
Jan 16, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RN0300X
- Internal Medicine / Nephrology (Primary)		 CA 20A17028

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
THANH CAO is affiliated with the following medical group(s):
  • HOSPITAL
    • FOUNTAIN VALLEY REGIONAL HOSPITAL & MEDICAL CENTER
      17100 EUCLID STREET
      FOUNTAIN VALLEY, CA 92708
    • HOAG MEMORIAL HOSPITAL PRESBYTERIAN
      ONE HOAG DRIVE
      NEWPORT BEACH, CA 92663
    • HUNTINGTON BEACH HOSPITAL
      17772 BEACH BLVD
      HUNTINGTON BEACH, CA 92647
    • MEMORIALCARE ORANGE COAST MEDICAL CENTER
      9920 TALBERT AVENUE
      FOUNTAIN VALLEY, CA 92708
    • PROVIDENCE ST. JOSEPH HOSPITAL
      1100 WEST STEWART DR
      ORANGE, CA 92868
  • DIALYSIS FACILITY
    • DAVITA WESTMINSTER SOUTH DIALYSIS
      14014 Magnolia St.
      Westminster, CA 92683

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