MARIA HERNANDEZ TEJERO MD
NPI 1235074063
Internal Medicine - Transplant Hepatology in Rochester, MN
NPI Status: Active since April 20, 2026
Contact Information
MAYO CLINIC 200 FIRST ST SW
ROCHESTER, MN
ZIP 55905
Phone: (507) 284-2511
- Individual
- Female
- Internal Medicine
- Transplant Hepatology
About MARIA HERNANDEZ TEJERO
This page provides the complete NPI Profile along with additional information for Maria Hernandez Tejero, an internist established in Rochester, Minnesota with a medical specialization in Internal Medicine, focusing in transplant hepatology . The healthcare provider is registered in the NPI registry with number 1235074063 assigned on April 2026. The practitioner's primary taxonomy code is 207RT0003X with license number 35966 (MN). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1235074063
- Provider Name
- MARIA HERNANDEZ TEJERO MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- MAYO CLINIC 200 FIRST ST SW ROCHESTER, MN 55905
- Location Phone
- (507) 284-2511
- Mailing Address
- 449 E CENTER ST APT 605 ROCHESTER, MN 55904
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-20-2026
- Last Update Date
- 04-20-2026
- Code Navigator
An internist like Maria Hernandez Tejero 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 Transplant Hepatology
- Taxonomy Code
- 207RT0003X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 35966
- License State
- MN
- Taxonomy Description
- An internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients requires assessment by a team having experience in evaluating the severity and prognosis of patients with liver disease.
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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 1235074063, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
ROCHESTER, MN 55905
ROCHESTER, MN 55905
ROCHESTER, MN 55905
ROCHESTER, MN 55905
ROCHESTER, MN 55905
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1235074063, enumerated as an "individual" on April 20, 2026.
The provider is located at MAYO CLINIC 200 FIRST ST SW ROCHESTER, MN 55905 and the phone number is (507) 284-2511.
Internal Medicine with taxonomy code 207RT0003X and a focus in Transplant Hepatology.
