MRS. REGINA EJURA IJAJA NP
NPI 1841823523
Nurse Practitioner - Psychiatric/Mental Health in Greenbelt, MD

NPI Status: Active since February 20, 2020

Contact Information

7203 HANOVER PKWY STE B
GREENBELT, MD
ZIP 20770
Phone: (240) 391-6730
Fax: (188) 850-2320

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

About REGINA IJAJA

This page provides the complete NPI Profile along with additional information for Regina Ijaja, a provider established in Greenbelt, Maryland with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1841823523 assigned on February 2020. The practitioner's primary taxonomy code is 363LP0808X with license number NP1009528 (DC). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1841823523
Provider Name
MRS. REGINA EJURA IJAJA NP
Gender
Female
Entity Type
Individual
Location Address
7203 HANOVER PKWY STE B GREENBELT, MD 20770
Location Phone
(240) 391-6730
Location Fax
(188) 850-2320
Mailing Address
9820 LINWOOD AVE LANHAM, MD 20706
Mailing Phone
(202) 372-7755
Is Sole Proprietor?
Yes
Enumeration Date
02-20-2020
Last Update Date
05-21-2026
Code Navigator

A nurse practitioner (NP) like Regina Ijaja 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.
NP1009528
License State
DC

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)
1163W00000XNursing Service Providers

Registered Nurse

R191611 (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 1841823523, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 1 + 6 + 2 + 6 + 5 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1841823523.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Family Medicine
7203 HANOVER PKWY STE B
GREENBELT, MD 20770

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841823523, enumerated as an "individual" on February 20, 2020.

The provider is located at 7203 HANOVER PKWY STE B GREENBELT, MD 20770 and the phone number is (240) 391-6730.

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