KATHERINE PENA CASTILLO PA
NPI 1619821345
Physician Assistant - Medical in San Juan, PR
NPI Status: Active since February 20, 2026
Contact Information
URB. SAN AGUSTIN 455 CALLE 6
SAN JUAN, PR
ZIP 00926
Phone: (787) 460-2051
- Individual
- Female
- Physician Assistant
- Medical
About KATHERINE PENA CASTILLO
This page provides the complete NPI Profile along with additional information for Katherine Pena Castillo, a primary care provider established in San Juan, Puerto Rico with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1619821345 assigned on February 2026. The practitioner's primary taxonomy code is 363AM0700X with license number 2495 (PR). The provider is registered as an individual and her NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.
- NPI
- 1619821345
- Provider Name
- KATHERINE PENA CASTILLO PA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- URB. SAN AGUSTIN 455 CALLE 6 SAN JUAN, PR 00926
- Location Phone
- (787) 460-2051
- Mailing Address
- URB. SAN AGUSTIN 455 CALLE 6 SAN JUAN, PR 00926
- Mailing Phone
- (787) 460-2051
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-20-2026
- Last Update Date
- 02-20-2026
- Code Navigator
A primary care provider (PCP) like Katherine Pena Castillo sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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
Physician Assistant Medical
- Taxonomy Code
- 363AM0700X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 2495
- License State
- PR
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 1619821345, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1619821345, enumerated as an "individual" on February 20, 2026.
The provider is located at URB. SAN AGUSTIN 455 CALLE 6 SAN JUAN, PR 00926 and the phone number is (787) 460-2051.
Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.
