IRIS ARANA ALONZO APRN
NPI 1619630969
Nurse Practitioner - Psychiatric/Mental Health in Silver Spring, MD

NPI Status: Active since October 14, 2021

Contact Information

8403 COLESVILLE RD
SILVER SPRING, MD
ZIP 20910
Phone: (240) 358-6642

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  • Individual
  • Female
  • Nurse Practitioner
  • Psychiatric/Mental Health

About IRIS ARANA ALONZO

This page provides the complete NPI Profile along with additional information for Iris Arana Alonzo, a provider established in Silver Spring, Maryland with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1619630969 assigned on October 2021. The practitioner's primary taxonomy code is 363LP0808X with license number R228187 (MD). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1619630969
Provider Name
IRIS ARANA ALONZO APRN
Gender
Female
Entity Type
Individual
Location Address
8403 COLESVILLE RD SILVER SPRING, MD 20910
Location Phone
(240) 358-6642
Mailing Address
8403 COLESVILLE RD SILVER SPRING, MD 20910
Is Sole Proprietor?
Yes
Enumeration Date
10-14-2021
Last Update Date
07-10-2026
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A nurse practitioner (NP) like Iris Arana Alonzo 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 Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
R228187
License State
MD

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1363LG0600XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Gerontology

R228187 (MD)

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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 1619630969, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 1 → 2 6 → 12 → 3 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 2 + 3 + 0 + 9 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1619630969.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Pathology (Anatomic Pathology & Clinical Pathology)
8403 COLESVILLE RD, SUITE 1600
SILVER SPRING, MD 20910
Pathology (Anatomic Pathology)
8403 COLESVILLE RD, SUITE 1600
SILVER SPRING, MD 20910
Counselor (Professional)
8403 COLESVILLE RD, SUITE 1100
SILVER SPRING, MD 20910
Psychologist (Clinical Child & Adolescent)
8403 COLESVILLE RD
SILVER SPRING, MD 20910
Social Worker (Clinical)
8403 COLESVILLE RD
SILVER SPRING, MD 20910
Nurse Practitioner (Gerontology)
8403 COLESVILLE RD
SILVER SPRING, MD 20910

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619630969, enumerated as an "individual" on October 14, 2021.

The provider is located at 8403 COLESVILLE RD SILVER SPRING, MD 20910 and the phone number is (240) 358-6642.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.