GRETCHEN MAHONEY LPCMH
NPI 1861807018
Counselor - Professional in Newark, DE

NPI Status: Active since June 26, 2014

Contact Information

8 POLLY DRUMMOND HILL RD
NEWARK, DE
ZIP 19711
Phone: (302) 738-6859

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  • Individual
  • Female
  • Counselor
  • Professional
  • Opted-Out Medicare

About GRETCHEN MAHONEY

This page provides the complete NPI Profile along with additional information for Gretchen Mahoney, a provider established in Newark, Delaware with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1861807018 assigned on June 2014. The practitioner's primary taxonomy code is 101YP2500X with license number 0000676 (DE). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1861807018
Provider Name
GRETCHEN MAHONEY LPCMH
Gender
Female
Entity Type
Individual
Location Address
8 POLLY DRUMMOND HILL RD NEWARK, DE 19711
Location Phone
(302) 738-6859
Mailing Address
318 N DILLWYN RD NEWARK, DE 19711
Mailing Phone
(302) 562-7953
Is Sole Proprietor?
Yes
Enumeration Date
06-26-2014
Last Update Date
06-26-2014
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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. Gretchen Mahoney opted out of Medicare effective on 02-22-2024 until 02-22-2026. 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 Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
0000676
License State
DE

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: 02-22-2024

  • Opt-Out End Date: 02-22-2026

  • 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 1861807018, 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
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 6 → 12 → 3 8 → 16 → 7 7 → 14 → 5 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 1 + 6 + 0 + 1 + 4 + 0 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1861807018.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Psychologist
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Psychologist (Clinical)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor (Professional)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor (Professional)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Psychologist
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor (Professional)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor (Pastoral)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Social Worker (Clinical)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Psychologist (Clinical)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Psychologist
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor (Mental Health)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor (Mental Health)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Counselor (Mental Health)
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711
Massage Therapist
8 POLLY DRUMMOND HILL RD
NEWARK, DE 19711

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861807018, enumerated as an "individual" on June 26, 2014.

The provider is located at 8 POLLY DRUMMOND HILL RD NEWARK, DE 19711 and the phone number is (302) 738-6859.

Counselor with taxonomy code 101YP2500X and a focus in Professional.