ANN DUVALL LPC
NPI 1346854734
Counselor - Mental Health in Washington, DC

NPI Status: Active since September 02, 2020

Contact Information

1555 CONNECTICUT AVE NW
WASHINGTON, DC
ZIP 20036
Phone: (202) 599-1495

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  • Individual
  • Female
  • Counselor
  • Mental Health
  • Opted-Out Medicare

About ANN DUVALL

This page provides the complete NPI Profile along with additional information for Ann Duvall, a provider established in Washington, District Of Columbia with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1346854734 assigned on September 2020. The practitioner's primary taxonomy code is 101YM0800X with license number PRC14905 (DC). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI
1346854734
Provider Name
ANN DUVALL LPC
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
1555 CONNECTICUT AVE NW WASHINGTON, DC 20036
Location Phone
(202) 599-1495
Mailing Address
6109 MULBERRY CT ALEXANDRIA, VA 22310
Mailing Phone
(703) 975-8550
Is Sole Proprietor?
No
Enumeration Date
09-02-2020
Last Update Date
09-04-2020
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A mental health counselor like Ann Duvall provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Ann Duvall opted out of Medicare effective on 02-23-2024 until 02-23-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.

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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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
PRC14905
License State
DC

Medicare Participation & PECOS Enrollment Status

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 02-23-2024

  • Opt-Out End Date: 02-23-2026

  • Eligible to Order and Refer? No

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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 1346854734, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 1 + 6 + 5 + 8 + 7 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1346854734.

Other Providers at the Same Location


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

Social Worker (Clinical)
1555 CONNECTICUT AVE NW
WASHINGTON, DC 20036
Physical Therapist
1555 CONNECTICUT AVE NW, STE. 301
WASHINGTON, DC 20036
Social Worker (Clinical)
1555 CONNECTICUT AVE NW, SUITE 401
WASHINGTON, DC 20036
Social Worker (Clinical)
1555 CONNECTICUT AVE NW
WASHINGTON, DC 20036
Social Worker (Clinical)
1555 CONNECTICUT AVE NW, SUITE 401
WASHINGTON, DC 20036
Registered Nurse (Psychiatric/Mental Health, Adult)
1555 CONNECTICUT AVE NW, SUITE 401
WASHINGTON, DC 20036
Psychologist (Clinical)
1555 CONNECTICUT AVE NW, SUITE 4-E
WASHINGTON, DC 20036
Social Worker (Clinical)
1555 CONNECTICUT AVE NW, #401
WASHINGTON, DC 20036
Psychologist (Psychoanalysis)
1555 CONNECTICUT AVE NW, SUITE 500
WASHINGTON, DC 20036
Psychologist (Clinical)
1555 CONNECTICUT AVE NW, SUITE 500
WASHINGTON, DC 20036
Psychiatry & Neurology (Psychiatry)
1555 CONNECTICUT AVE NW, SUITE 401
WASHINGTON, DC 20036
Social Worker (Clinical)
1555 CONNECTICUT AVE NW, SUITE 401
WASHINGTON, DC 20036
Psychologist (Clinical)
1555 CONNECTICUT AVE NW, 401
WASHINGTON, DC 20036
Psychologist
1555 CONNECTICUT AVE NW, SUITE 500
WASHINGTON, DC 20036
Psychologist
1555 CONNECTICUT AVE NW, SUITE 500
WASHINGTON, DC 20036
Social Worker (Clinical)
1555 CONNECTICUT AVE NW, SUITE 4E
WASHINGTON, DC 20036
Counselor (Professional)
1555 CONNECTICUT AVE NW, SUITE 401
WASHINGTON, DC 20036
Acupuncturist
1555 CONNECTICUT AVE NW, VIVA CENTER, THIRD FLOOR
WASHINGTON, DC 20036
Acupuncturist
1555 CONNECTICUT AVE NW, 3RD FLOOR
WASHINGTON, DC 20036
Psychologist (Clinical)
1555 CONNECTICUT AVE NW, SUITE 500
WASHINGTON, DC 20036

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346854734, enumerated as an "individual" on September 02, 2020.

The provider is located at 1555 CONNECTICUT AVE NW WASHINGTON, DC 20036 and the phone number is (202) 599-1495.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.