DR. MEGAN BARTSCH WILLEMS M.D.
NPI 1104025758
Psychiatry & Neurology - Child & Adolescent Psychiatry in Mc Lean, VA

NPI Status: Active since July 13, 2007

Contact Information

6862 ELM ST
SUITE 230
MC LEAN, VA
ZIP 22101
Phone: (703) 942-6101
Fax: (703) 663-9860

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  • Individual
  • Female
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry

About MEGAN WILLEMS

This page provides the complete NPI Profile along with additional information for Megan Willems, a provider established in Mc Lean, Virginia with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1104025758 assigned on July 2007. The practitioner's primary taxonomy code is 2084P0804X with license number 0101246907 (VA). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1104025758
Provider Name
DR. MEGAN BARTSCH WILLEMS M.D.
Gender
Female
Entity Type
Individual
Location Address
6862 ELM ST SUITE 230 MC LEAN, VA 22101
Location Phone
(703) 942-6101
Location Fax
(703) 663-9860
Mailing Address
6862 ELM ST SUITE 230 MC LEAN, VA 22101
Mailing Phone
(703) 942-6101
Mailing Fax
(703) 663-9860
Is Sole Proprietor?
Yes
Enumeration Date
07-13-2007
Last Update Date
10-13-2010
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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

Psychiatry & Neurology Child & Adolescent Psychiatry

Taxonomy Code
2084P0804X
Type
Allopathic & Osteopathic Physicians
License No.
0101246907
License State
VA
Taxonomy Description
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

0101246907 (VA)
22084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

232117 (NY)
32084P0804XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Child & Adolescent Psychiatry

232117 (NY)

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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 1104025758, we treat the final digit (8) 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 42. The final step is to find the difference between that total and the next multiple of ten (50 - 42 = 8).

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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 0 → 0 0 → 0 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 0 + 2 + 1 + 0 + 7 + 1 + 0 + 24 = 42

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

The next multiple of ten after 42 is 50. The difference is the calculated check digit.

50 - 42 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1104025758.

Other Providers at the Same Location


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

Physical Therapist
6862 ELM ST, SUITE 105
MC LEAN, VA 22101
Family Medicine
6862 ELM ST, SUITE 720
MC LEAN, VA 22101
Family Medicine
6862 ELM ST, SUITE 720
MC LEAN, VA 22101
Psychologist (Clinical)
6862 ELM ST, SUITE 230
MCLEAN, VA 22101
Counselor (Professional)
6862 ELM ST
MC LEAN, VA 22101
Audiologist-Hearing Aid Fitter
6862 ELM ST, SUITE 120
MC LEAN, VA 22101
Clinic/Center (Primary Care)
6862 ELM ST, SUITE 720
MC LEAN, VA 22101
Psychologist
6862 ELM ST, SUITE 230
MC LEAN, VA 22101
Psychologist
6862 ELM ST, SUITE 230
MC LEAN, VA 22101
Internal Medicine
6862 ELM ST, SUITE 700
MC LEAN, VA 22101
Family Medicine
6862 ELM ST, SUITE 720
MC LEAN, VA 22101
Chiropractor
6862 ELM ST, SUITE 600
MC LEAN, VA 22101
Psychologist (Clinical)
6862 ELM ST, 205
MC LEAN, VA 22101
Audiologist-Hearing Aid Fitter
6862 ELM ST, SUITE 120
MCLEAN, VA 22101
Audiologist-Hearing Aid Fitter
6862 ELM ST, SUITE 120
MCLEAN, VA 22101
Internal Medicine
6862 ELM ST, SUITE 600
MC LEAN, VA 22101
Internal Medicine
6862 ELM ST
MC LEAN, VA 22101
Physical Therapist
6862 ELM ST, SUITE 105
MC LEAN, VA 22101
Counselor (Professional)
6862 ELM ST
MC LEAN, VA 22101
Physical Therapist
6862 ELM ST
MC LEAN, VA 22101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104025758, enumerated as an "individual" on July 13, 2007.

The provider is located at 6862 ELM ST SUITE 230 MC LEAN, VA 22101 and the phone number is (703) 942-6101.

Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.