DR. JOCELYN SIYI LIU MD
NPI 1750213112
Internal Medicine in Tucson, AZ
NPI Status: Active since June 01, 2026
Contact Information
1501 N CAMPBELL AVE
TUCSON, AZ
ZIP 85724
Phone: (520) 626-8818
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Internal Medicine
About JOCELYN LIU
This page provides the complete NPI Profile along with additional information for Jocelyn Liu, an internist established in Tucson, Arizona with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1750213112 assigned on June 2026. The practitioner's primary taxonomy code is 207R00000X with license number R82503 (AZ). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1750213112
- Provider Name
- DR. JOCELYN SIYI LIU MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1501 N CAMPBELL AVE TUCSON, AZ 85724
- Location Phone
- (520) 626-8818
- Mailing Address
- 1501 N CAMPBELL AVE RM 6336 TUCSON, AZ 85724
- Mailing Phone
- (520) 626-8818
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-01-2026
- Last Update Date
- 06-01-2026
- Code Navigator
An internist like Jocelyn Liu 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
- License No.
- R82503
- License State
- AZ
- 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.
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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 1750213112, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).
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 48 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
TUCSON, AZ 85724
TUCSON, AZ 85724
TUCSON, AZ 85724
TUCSON, AZ 85724
TUCSON, AZ 85724
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1750213112, enumerated as an "individual" on June 01, 2026.
The provider is located at 1501 N CAMPBELL AVE TUCSON, AZ 85724 and the phone number is (520) 626-8818.
Internal Medicine with taxonomy code 207R00000X.
