ROGER KORNU M.D. – NPI #1841386349
Internal Medicine

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.

Health Care Provider Taxonomy Code for Internal Medicine

ROGER KORNU is a physician located in TUSTIN, CA. NPPES has assigned the NPI number 1841386349 to ROGER KORNU on October 04, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RR0500X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Rheumatology

The NPI profile was last updated on Jan 30, 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 ROGER KORNU below.

NPI Profile for
ROGER KORNU

NPI Number
1841386349
Enumeration Date

(more than 19 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ROGER KORNU
Credentials
M.D.
Primary location
2552 WALNUT AVE STE 200
TUSTIN, CA 92780-6983
Phone: (714) 406-4461 Fax: (714) 669-9790
1 Other location(s):
12791 Newport Ave Ste 106
Tustin, CA 92780-2785
Phone: (714) 406-4461
Fax: (714) 669-9790
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Jan 30, 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
207RR0500X
- Internal Medicine / Rheumatology (Primary)		 CA A78140

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

Education
UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS - Graduated 1999
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
ROGER KORNU is affiliated with the following medical group(s):
  • HOSPITAL
    • HOAG MEMORIAL HOSPITAL PRESBYTERIAN
      ONE HOAG DRIVE
      NEWPORT BEACH, CA 92663
    • PROVIDENCE ST. JOSEPH HOSPITAL
      1100 WEST STEWART DR
      ORANGE, CA 92868

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Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.