AN MEDICAL CENTER
NPI 1891667721
Internal Medicine - Nephrology in Rosemead, CA
NPI Status: Active since September 20, 2025
Contact Information
9120 VALLEY BLVD
ROSEMEAD, CA
ZIP 91770
Phone: (626) 316-8169
Fax: (949) 894-8271
- Organization
- Internal Medicine
- Nephrology
About AN MEDICAL CENTER
This page provides the complete NPI Profile along with additional information for An Medical Center, an internist established in Rosemead, California operating as a Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1891667721 assigned on September 2025. The practitioner's primary taxonomy code is 207RN0300X. 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 D Nguyen Do (Ceo)
- NPI
- 1891667721
- Provider Name
- AN MEDICAL CENTER
- Entity Type
- Organization
- Location Address
- 9120 VALLEY BLVD ROSEMEAD, CA 91770
- Location Phone
- (626) 316-8169
- Location Fax
- (949) 894-8271
- Mailing Address
- 17956 CYPRESS ST FOUNTAIN VALLEY, CA 92708
- Mailing Phone
- (714) 808-3080
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 09-20-2025
- Last Update Date
- 09-20-2025
- Code Navigator
An internist like An Medical Center 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
Secondary Locations
- 10402 Westminster Ave Ste 100B
Garden Grove, CA 92843
(714) 539-4946 - 500 S Main St Ste 101
Orange, CA 92868
(714) 602-7805
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 Nephrology
- Taxonomy Code
- 207RN0300X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- 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.
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.
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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 1891667721, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
ROSEMEAD, CA 91770
ROSEMEAD, CA 91770
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891667721, enumerated as an "organization" on September 20, 2025.
The provider is located at 9120 VALLEY BLVD ROSEMEAD, CA 91770 and the phone number is (626) 316-8169.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
