CHRISTINE BLANC ARCHER PMHNP-BC
NPI 1871302240
Nurse Practitioner - Psychiatric/Mental Health in Rockville, MD

NPI Status: Active since December 31, 2024

Contact Information

4 TAFT CT STE 100
ROCKVILLE, MD
ZIP 20850
Phone: (240) 988-2176

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

About CHRISTINE ARCHER

This page provides the complete NPI Profile along with additional information for Christine Archer, a provider established in Rockville, Maryland with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1871302240 assigned on December 2024. The practitioner's primary taxonomy code is 363LP0808X with license number R155997 (MD). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1871302240
Provider Name
CHRISTINE BLANC ARCHER PMHNP-BC
Gender
Female
Entity Type
Individual
Location Address
4 TAFT CT STE 100 ROCKVILLE, MD 20850
Location Phone
(240) 988-2176
Mailing Address
4 TAFT CT ROCKVILLE, MD 20850
Mailing Phone
(240) 988-2176
Is Sole Proprietor?
No
Enumeration Date
12-31-2024
Last Update Date
03-13-2026
Code Navigator

A nurse practitioner (NP) like Christine Archer 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

Secondary Locations

  • 522 W Riverside Ave # 7724
    Spokane, WA 99201
    (240) 988-2176
  • 5901 Glenwood Rd Apt 2D
    Brooklyn, NY 11234
    (240) 988-2176

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.
R155997
License State
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 1871302240, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 7 → 14 → 5 3 → 6 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 6 + 0 + 4 + 2 + 8 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1871302240.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Chiropractor (Sports Physician)
4 TAFT CT STE 100
ROCKVILLE, MD 20850
Chiropractor
4 TAFT CT STE 100
ROCKVILLE, MD 20850
Nutritionist
4 TAFT CT STE 100
ROCKVILLE, MD 20850
Nutritionist
4 TAFT CT STE 100
ROCKVILLE, MD 20850
Chiropractor
4 TAFT CT STE 100
ROCKVILLE, MD 20850
Nutritionist
4 TAFT CT STE 100
ROCKVILLE, MD 20850
Nutritionist
4 TAFT CT STE 100
ROCKVILLE, MD 20850
Acupuncturist
4 TAFT CT STE 100
ROCKVILLE, MD 20850

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871302240, enumerated as an "individual" on December 31, 2024.

The provider is located at 4 TAFT CT STE 100 ROCKVILLE, MD 20850 and the phone number is (240) 988-2176.

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