SERGIO ARELLANO-AYALA NP
NPI 1891328779
Nurse Practitioner - Acute Care in Baltimore, MD

NPI Status: Active since February 19, 2020

Contact Information

22 S GREENE ST # S4D03
BALTIMORE, MD
ZIP 21201
Phone: (410) 328-5831

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  • Individual
  • Male
  • Nurse Practitioner
  • Acute Care

About SERGIO ARELLANO-AYALA

This page provides the complete NPI Profile along with additional information for Sergio Arellano-ayala, a provider established in Baltimore, Maryland with a medical specialization in Nurse Practitioner, focusing in acute care . The healthcare provider is registered in the NPI registry with number 1891328779 assigned on February 2020. The practitioner's primary taxonomy code is 363LA2100X with license number AP144156 (TX). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1891328779
Provider Name
SERGIO ARELLANO-AYALA NP
Gender
Male
Entity Type
Individual
Location Address
22 S GREENE ST # S4D03 BALTIMORE, MD 21201
Location Phone
(410) 328-5831
Mailing Address
22 S GREENE ST # S4D03 BALTIMORE, MD 21201
Mailing Phone
(410) 328-5831
Is Sole Proprietor?
Yes
Enumeration Date
02-19-2020
Last Update Date
02-19-2020
Code Navigator

A nurse practitioner (NP) like Sergio Arellano-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 Acute Care

Taxonomy Code
363LA2100X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
AP144156
License State
TX

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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 1891328779, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 9 → 18 → 9 3 → 6 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 6 + 2 + 1 + 6 + 7 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1891328779.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891328779, enumerated as an "individual" on February 19, 2020.

The provider is located at 22 S GREENE ST # S4D03 BALTIMORE, MD 21201 and the phone number is (410) 328-5831.

Nurse Practitioner with taxonomy code 363LA2100X and a focus in Acute Care.