WON K YU, MD, MPH DIGESTIVE DISEASES
NPI 1538334289
Internal Medicine - Gastroenterology in Tustin, CA
NPI Status: Active since April 24, 2008
Contact Information
17400 IRVINE BLVD STE F
TUSTIN, CA
ZIP 92780
Phone: (714) 937-9400
Fax: (714) 937-9404
- Organization
- Internal Medicine
- Gastroenterology
- CLIA Number: 05D2168636
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 01-27-2027
About WON K YU, MD, MPH DIGESTIVE DISEASES
This page provides the complete NPI Profile along with additional information for Won K Yu, Md, Mph Digestive Diseases, an internist established in Tustin, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1538334289 assigned on April 2008. The practitioner's primary taxonomy code is 207RG0100X with license number A77275 (CA). The provider is registered as an organization and their NPI record was last updated 3 years 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 provider's is doing business as Won K Yu, Md, Mph Digestive Diseases. The authorized official of this NPI record is Won Kye Yu M.d. (Owner)
- NPI
- 1538334289
- Provider Legal Name
- WON K YU MD MPH INC
- Other Organization Name
- WON K YU, MD, MPH DIGESTIVE DISEASES
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- 17400 IRVINE BLVD STE F TUSTIN, CA 92780
- Location Phone
- (714) 937-9400
- Location Fax
- (714) 937-9404
- Mailing Address
- 230 S MAIN ST STE 215 ORANGE, CA 92868
- Mailing Phone
- (714) 937-9400
- Mailing Fax
- (714) 937-9404
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 04-24-2008
- Last Update Date
- 08-04-2023
- Code Navigator
An internist like Won K Yu, Md, Mph Digestive Diseases 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 Gastroenterology
- Taxonomy Code
- 207RG0100X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A77275
- License State
- CA
- Taxonomy Description
- An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
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.
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
- 05D2168636
- Facility Type
- Physician Office
- Certificate Effective Date
- January 28, 2025
- Certificate Expiration Date
- January 27, 2027
- Laboratory Director
- DR. RICHEH RANA MD
- Certificate Type
- Certificate of Compliance
- Certificate Type Description
- This CLIA certificate is issued to Won K Yu, Md, Mph Digestive Diseases after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.
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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 1538334289, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
TUSTIN, CA 92780
TUSTIN, CA 92780
TUSTIN, CA 92780
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538334289, enumerated as an "organization" on April 24, 2008.
The provider is located at 17400 IRVINE BLVD STE F TUSTIN, CA 92780 and the phone number is (714) 937-9400.
Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.
