CAROLINA BEATRIZ AYALA CRNP
NPI 1023973187
Nurse Practitioner - Primary Care in Baltimore, MD

NPI Status: Active since December 22, 2025

Contact Information

345 SAINT PAUL ST
BALTIMORE, MD
ZIP 21202
Phone: (410) 332-9000

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  • Individual
  • Female
  • Nurse Practitioner
  • Primary Care

About CAROLINA AYALA

This page provides the complete NPI Profile along with additional information for Carolina Ayala, a provider established in Baltimore, Maryland with a medical specialization in Nurse Practitioner, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1023973187 assigned on December 2025. The practitioner's primary taxonomy code is 363LP2300X with license number R250000 (MD). The provider is registered as an individual and her NPI record was last updated December 2025. 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
1023973187
Provider Name
CAROLINA BEATRIZ AYALA CRNP
Gender
Female
Entity Type
Individual
Location Address
345 SAINT PAUL ST BALTIMORE, MD 21202
Location Phone
(410) 332-9000
Mailing Address
818 TANLEY RD SILVER SPRING, MD 20904
Is Sole Proprietor?
Yes
Enumeration Date
12-22-2025
Last Update Date
12-22-2025
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A nurse practitioner (NP) like Carolina Ayala is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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

Nurse Practitioner Primary Care

Taxonomy Code
363LP2300X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
R250000
License State
MD

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 1023973187, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
7
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
7
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 2 → 4 9 → 18 → 9 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 4 + 3 + 1 + 8 + 7 + 6 + 1 + 1 + 6 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1023973187.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Anesthesiology
345 SAINT PAUL ST
BALTIMORE, MD 21202
Physician Assistant (Medical)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Social Worker (Clinical)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Student in an Organized Health Care Education/Training Program
345 SAINT PAUL ST, BUNTING BUILDING, 7TH FLOOR
BALTIMORE, MD 21202
Nurse Anesthetist, Certified Registered
345 SAINT PAUL ST
BALTIMORE, MD 21202
Anesthesiology
345 SAINT PAUL ST
BALTIMORE, MD 21202
Internal Medicine (Critical Care Medicine)
345 SAINT PAUL ST, MERCY MEDICAL CENTER, 9TH FLOOR, ICU
BALTIMORE, MD 21202
Physician Assistant (Medical)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Registered Nurse (Emergency)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Student in an Organized Health Care Education/Training Program
345 SAINT PAUL ST
BALTIMORE, MD 21202
Physician Assistant (Medical)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Physician Assistant
345 SAINT PAUL ST
BALTIMORE, MD 21202
Physician Assistant (Medical)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Nurse Practitioner (Family)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Physician Assistant
345 SAINT PAUL ST
BALTIMORE, MD 21202
Physical Medicine & Rehabilitation (Pain Medicine)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Physician Assistant
345 SAINT PAUL ST
BALTIMORE, MD 21202
Nurse Practitioner (Family)
345 SAINT PAUL ST
BALTIMORE, MD 21202
Pharmacist
345 SAINT PAUL ST
BALTIMORE, MD 21202
Respiratory Therapist, Registered (General Care)
345 SAINT PAUL ST
BALTIMORE, MD 21202

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023973187, enumerated as an "individual" on December 22, 2025.

The provider is located at 345 SAINT PAUL ST BALTIMORE, MD 21202 and the phone number is (410) 332-9000.

Nurse Practitioner with taxonomy code 363LP2300X and a focus in Primary Care.